[Bug libstdc++/55320] Invalid delete with throwing copy-c'tor passed to std::function
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=55320 --- Comment #1 from Benjamin Kircher benjamin.kircher at gmail dot com 2012-11-14 08:10:06 UTC --- Sorry. System type was $ uname -a Linux snip 3.2.0-4-486 #1 Debian 3.2.32-1 i686 GNU/Linux $ file a.out a.out: ELF 32-bit LSB executable, Intel 80386, version 1 (SYSV), dynamically linked (uses shared libs), for GNU/Linux 2.6.26, BuildID[sha1]=snip, not stripped Command line that produced the error was $ g++ -g -std=c++11 -Wall -Wextra -pedantic main.cpp
[Bug bootstrap/55321] New: [4.8 regression] Ada bootstrap failure on armv5tel-linux-gnueabi
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=55321 Bug #: 55321 Summary: [4.8 regression] Ada bootstrap failure on armv5tel-linux-gnueabi Classification: Unclassified Product: gcc Version: 4.8.0 Status: UNCONFIRMED Severity: normal Priority: P3 Component: bootstrap AssignedTo: unassig...@gcc.gnu.org ReportedBy: mi...@it.uu.se Attempting to bootstrap gcc-4.8-2012 on armv5tel-linux-gnueabi w/ Ada fails with: /mnt/scratch/objdir48/./gcc/xgcc -B/mnt/scratch/objdir48/./gcc/ -B/mnt/scratch/install48/armv5tel-unknown-linux-gnueabi/bin/ -B/mnt/scratch/install48/armv5tel-unknown-linux-gnueabi/lib/ -isystem /mnt/scratch/install48/armv5tel-unknown-linux-gnueabi/include -isystem /mnt/scratch/install48/armv5tel-unknown-linux-gnueabi/sys-include-c -g -O2 -fPIC -W -Wall -gnatpg -nostdinc s-stposu.adb -o s-stposu.o s-stposu.ads: In function 'System.Storage_Pools.Subpools.Root_Storage_Pool_With_Subpoolsdf': s-stposu.ads:198:9: warning: 'A40s' may be used uninitialized in this function [-Wmaybe-uninitialized] s-stposu.ads: In function 'System.Storage_Pools.Subpools.Root_Subpooldf': s-stposu.ads:240:9: warning: 'A69s' may be used uninitialized in this function [-Wmaybe-uninitialized] +===GNAT BUG DETECTED==+ | 4.8.0 2012 (experimental) (armv5tel-unknown-linux-gnueabi) GCC error:| | in merge_latch_edges, at cfgloop.c:678 | | Error detected around s-stposu.adb:565:8 | | Please submit a bug report; see http://gcc.gnu.org/bugs.html.| | Use a subject line meaningful to you and us to track the bug.| | Include the entire contents of this bug box in the report. | | Include the exact gcc or gnatmake command that you entered. | | Also include sources listed below in gnatchop format | | (concatenated together with no headers between files). | +==+ Please include these source files with error report Note that list may not be accurate in some cases, so please double check that the problem can still be reproduced with the set of files listed. Consider also -gnatd.n switch (see debug.adb). system.ads s-stposu.adb s-stposu.ads s-stopoo.ads ada.ads a-finali.ads s-finroo.ads s-stoele.ads s-finmas.ads a-except.ads s-parame.ads s-stalib.ads a-unccon.ads s-traent.ads s-addima.ads s-io.ads s-soflin.ads s-stache.ads s-spsufi.ads a-tags.ads s-stoele.adb s-exctab.ads a-stream.ads s-imgboo.ads s-secsta.ads raised TYPES.UNRECOVERABLE_ERROR : comperr.adb:432 make[7]: *** [s-stposu.o] Error 1 make[7]: Leaving directory `/mnt/scratch/objdir48/gcc/ada/rts' make[6]: *** [gnatlib] Error 2 make[6]: Leaving directory `/mnt/scratch/objdir48/gcc/ada' make[5]: *** [gnatlib-shared-default] Error 2 make[5]: Leaving directory `/mnt/scratch/objdir48/gcc/ada' make[4]: *** [gnatlib-shared-dual] Error 2 make[4]: Leaving directory `/mnt/scratch/objdir48/gcc/ada' make[3]: *** [gnatlib-shared] Error 2 make[3]: Leaving directory `/mnt/scratch/objdir48/gcc/ada' make[2]: *** [gnatlib-shared] Error 2 make[2]: Leaving directory `/mnt/scratch/objdir48/armv5tel-unknown-linux-gnueabi/libada' make[1]: *** [all-target-libada] Error 2 make[1]: Leaving directory `/mnt/scratch/objdir48' make: *** [bootstrap] Error 2 4.8-20121028 succeeded to bootstrap so this is a recent regression. Full configuration parameters: /mnt/scratch/gcc-4.8-2012/configure --prefix=/mnt/scratch/install48 --enable-bootstrap --enable-shared --enable-threads=posix --enable-checking=release --with-system-zlib --enable-__cxa_atexit --disable-libunwind-exceptions --enable-languages=c,c++,fortran,ada --disable-dssi --with-java-home=/usr/lib/jvm/java-1.5.0-gcj-1.5.0.0/jre --enable-libgcj-multifile --disable-java-maintainer-mode --with-ecj-jar=/usr/share/java/eclipse-ecj.jar --disable-libjava-multilib --disable-sjlj-exceptions --with-arch=armv5te --with-tune=xscale --build=armv5tel-unknown-linux-gnueabi --disable-plugin --disable-lto --disable-libmudflap
[Bug bootstrap/55293] bootstrap failure: invalid conversion from 'char**' to 'const char**' [-fpermissive]
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=55293 --- Comment #15 from Mikael Pettersson mikpe at it dot uu.se 2012-11-14 08:34:11 UTC --- FWIW, I bootstrapped a pure 64-bit gcc-4.7.2 on Solaris 10/SPARC64 yesterday, with C, Ada, and C++, using a normal 32-bit-but-64-bit-capable gcc-4.7.2 as host compiler. About the only issue was that I had to coerce the host compiler to generate 64-bit code by default; for that I put #!/bin/sh exec gcc -m64 $@ in a gcc64 shell script and passed the path to it in CC when configuring gcc. Overriding CFLAGS might have worked too, but I didn't try that.
[Bug target/55317] [i386-regression] just don't strip stdcall suffix in gcc
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=55317 --- Comment #1 from Mikael Pettersson mikpe at it dot uu.se 2012-11-14 08:42:23 UTC --- Duplicate of PR55268?
[Bug bootstrap/55293] bootstrap failure: invalid conversion from 'char**' to 'const char**' [-fpermissive]
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=55293 --- Comment #16 from Eric Botcazou ebotcazou at gcc dot gnu.org 2012-11-14 08:49:46 UTC --- FWIW, I bootstrapped a pure 64-bit gcc-4.7.2 on Solaris 10/SPARC64 yesterday, with C, Ada, and C++, using a normal 32-bit-but-64-bit-capable gcc-4.7.2 as host compiler. About the only issue was that I had to coerce the host compiler to generate 64-bit code by default; for that I put #!/bin/sh exec gcc -m64 $@ in a gcc64 shell script and passed the path to it in CC when configuring gcc. That's not even necessary, just do CC=gcc -m64 ./configure [options]. Overriding CFLAGS might have worked too, but I didn't try that. Nope, fiddling with CFLAGS, BOOT_CFLAGS and the like is strongly discouraged.
[Bug target/54429] [SH] SImode values get ferried through FPUL and FP regs for -O0
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=54429
--- Comment #5 from Oleg Endo olegendo at gcc dot gnu.org 2012-11-14 09:45:22
UTC ---
(In reply to comment #4)
makes the unwanted subreg propagation go away, but ends up in another reload
trouble:
sh_tmp.cpp:92:1: error: unable to find a register to spill in class
'TARGET_REGS'
}
^
sh_tmp.cpp:92:1: error: this is the insn:
(insn 7 4 8 2 (set (reg:SI 1 r1 [165])
(subreg:SI (reg:DF 70 fr6 [ y ]) 0)) sh_tmp.cpp:91 244 {movsi_ie}
(expr_list:REG_DEAD (reg:DF 70 fr6 [ y ])
(nil)))
The test case I was using for tracking this:
extern double copysign(double,double);
double test1(double x, double y)
{
return copysign(-x,y);
}
Interestingly, without any patches applied, compiling the function above with
-O2 -m4 -ml results in:
_test1:
fmov.s fr6,@-r15 ! 49movsf_ie/7[length = 2]
fmov.s fr7,@-r15 ! 50movsf_ie/7[length = 2]
mov.l .L8,r1! 43movsi_ie/1[length = 2]
mov.l @r15+,r2 ! 51movdf_k/3[length = 4]
mov.l @r15+,r3
tst r3,r1 ! 10tstsi_t/2[length = 2]
fmovfr4,fr0 ! 52movsf_ie/1[length = 2]
fmovfr5,fr1 ! 53movsf_ie/1[length = 2]
bt/s.L6 ! 11*cbranch_t[length = 2]
fabsdr0 ! 9absdf2_i[length = 2]
fnegdr0 ! 12negdf2_i[length = 2]
.L6:
rts
nop ! 56*return_i[length = 4]
.L9:
.align 2
.L8:
.long -2147483648
and -O2 -m4 -mb is:
_test1:
fldsfr6,fpul ! 46movsi_ie/22[length = 2]
sts fpul,r1 ! 47movsi_ie/20[length = 2]
fmovfr4,fr0 ! 48movsf_ie/1[length = 2]
fmovfr5,fr1 ! 49movsf_ie/1[length = 2]
cmp/pz r1! 10cmpgesi_t/1[length = 2]
bt/s.L6 ! 11*cbranch_t[length = 2]
fabsdr0 ! 9absdf2_i[length = 2]
fnegdr0 ! 12negdf2_i[length = 2]
.L6:
rts
nop ! 52*return_i[length = 4]
This is probably due to the 'sh_cannot_change_mode_class'. On big endian the
DFmode reg can be accessed as SImode, but not on little endian because of the
subreg ordering. Maybe it would be better to not do all the GP - FPUL - FP
reg transfers during reload but emit the necessary insn sequences before
reload.
[Bug libstdc++/55320] Invalid delete with throwing copy-c'tor passed to std::function
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=55320 Daniel Krügler daniel.kruegler at googlemail dot com changed: What|Removed |Added CC||daniel.kruegler at ||googlemail dot com --- Comment #2 from Daniel Krügler daniel.kruegler at googlemail dot com 2012-11-14 09:45:56 UTC --- On gcc 4.8 HEAD on my mingw-64-bit-system the program behaves normally and just outputs catched
[Bug c/55322] New: Suggestion: Warn suspicious usage of arrays of structures
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=55322
Bug #: 55322
Summary: Suggestion: Warn suspicious usage of arrays of
structures
Classification: Unclassified
Product: gcc
Version: unknown
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: c
AssignedTo: unassig...@gcc.gnu.org
ReportedBy: stilgarw...@gmail.com
struct {
int x;
int y;
} array[10];
void xxx() {
int i=9;
while(i--) {
array[i].x = 0;
array-y = 0; /* an optional warning for this usage may be helpful */
}
}
[Bug libstdc++/55320] Invalid delete with throwing copy-c'tor passed to std::function
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=55320 Paolo Carlini paolo.carlini at oracle dot com changed: What|Removed |Added Status|UNCONFIRMED |NEW Last reconfirmed||2012-11-14 CC||jwakely.gcc at gmail dot ||com Ever Confirmed|0 |1 --- Comment #3 from Paolo Carlini paolo.carlini at oracle dot com 2012-11-14 10:42:44 UTC --- On Linux Seg faults everywhere, thus doesn't seem a regression, but we should look into it. Maybe Jon can help..
[Bug c++/55323] New: [4.8] ICE in expand_aggr_init_1, at cp/init.c:1718
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=55323
Bug #: 55323
Summary: [4.8] ICE in expand_aggr_init_1, at cp/init.c:1718
Classification: Unclassified
Product: gcc
Version: 4.8.0
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: c++
AssignedTo: unassig...@gcc.gnu.org
ReportedBy: vincenzo.innoce...@cern.ch
there is a syntax error (correctly reported)
the ICE requires the instantiation in a()
cat varcrash.cc
#includealgorithm
struct foo {
foo(int a, float b);
};
struct bar : public foo {
templatetypename... Args
explicit bar(Args ... args) :
foo(2,std::forwardArgs(args)){}
};
void a() {
bar b(2,1.);
}
pb-d-128-141-131-26:bugs48 innocent$ c++ -O2 -std=c++11 -c varcrash.cc
varcrash.cc: In constructor ‘bar::bar(Args ...)’:
varcrash.cc:9:35: error: parameter packs not expanded with ‘...’:
foo(2,std::forwardArgs(args)){}
^
varcrash.cc:9:35: note: ‘args’
varcrash.cc:9:35: note: ‘Args’
varcrash.cc: In instantiation of ‘bar::bar(Args ...) [with Args = {int,
double}]’:
varcrash.cc:14:13: required from here
varcrash.cc:9:35: internal compiler error: in expand_aggr_init_1, at
cp/init.c:1718
varcrash.cc:9:35: internal compiler error: Abort trap: 6
c++: internal compiler error: Abort trap: 6 (program cc1plus)
Abort trap: 6
pb-d-128-141-131-26:bugs48 innocent$ c++ -v
Using built-in specs.
COLLECT_GCC=c++
COLLECT_LTO_WRAPPER=/usr/local/libexec/gcc/x86_64-apple-darwin12.2.0/4.8.0/lto-wrapper
Target: x86_64-apple-darwin12.2.0
Configured with: ./configure --enable-languages=c,c++,fortran
--disable-multilib --disable-bootstrap --enable-lto -disable-libitm
Thread model: posix
gcc version 4.8.0 20121109 (experimental) [trunk revision 193360] (GCC)
[Bug tree-optimization/54619] GCC aborts during compilation with '-O2 -mips16'
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=54619 vries at gcc dot gnu.org changed: What|Removed |Added Status|UNCONFIRMED |NEW Last reconfirmed||2012-11-14 CC||vries at gcc dot gnu.org Component|target |tree-optimization Ever Confirmed|0 |1 --- Comment #2 from vries at gcc dot gnu.org 2012-11-14 11:20:31 UTC --- Confirmed. Discussed here: http://gcc.gnu.org/ml/gcc-patches/2012-09/msg01378.html. Changing component to tree-optimization since problem is in ivopts passing VOIDmode to TARGET_ADDRESS_COST.
[Bug c++/18016] Warn about member variables initialized with itself
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=18016 Jonathan Wakely redi at gcc dot gnu.org changed: What|Removed |Added CC||brunonery+bugzilla at ||brunonery dot com --- Comment #16 from Jonathan Wakely redi at gcc dot gnu.org 2012-11-14 11:40:50 UTC --- *** Bug 55318 has been marked as a duplicate of this bug. ***
[Bug c++/55318] Missing uninitialized warning
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=55318 Jonathan Wakely redi at gcc dot gnu.org changed: What|Removed |Added Status|UNCONFIRMED |RESOLVED Resolution||DUPLICATE --- Comment #1 from Jonathan Wakely redi at gcc dot gnu.org 2012-11-14 11:40:50 UTC --- You need to use -Winit-self For 4.8 this is included in -Wall *** This bug has been marked as a duplicate of bug 18016 ***
[Bug libstdc++/55320] Invalid delete with throwing copy-c'tor passed to std::function
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=55320 Jonathan Wakely redi at gcc dot gnu.org changed: What|Removed |Added Status|NEW |ASSIGNED AssignedTo|unassigned at gcc dot |redi at gcc dot gnu.org |gnu.org | Target Milestone|--- |4.7.3
[Bug libstdc++/55320] Invalid delete with throwing copy-c'tor passed to std::function
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=55320
--- Comment #4 from Jonathan Wakely redi at gcc dot gnu.org 2012-11-14
12:12:19 UTC ---
Untested:
--- functional.orig 2012-11-14 12:11:32.442993035 +
+++ functional 2012-11-14 12:11:34.315184425 +
@@ -2318,8 +2318,8 @@
if (_My_handler::_M_not_empty_function(__f))
{
_M_invoker = _My_handler::_M_invoke;
- _M_manager = _My_handler::_M_manager;
_My_handler::_M_init_functor(_M_functor, std::move(__f));
+ _M_manager = _My_handler::_M_manager;
}
}
[Bug target/55268] gcc4.8 mingw-w64 wrong stdcall import symbols generated after rev 193204
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=55268 Kai Tietz ktietz at gcc dot gnu.org changed: What|Removed |Added Status|UNCONFIRMED |NEW Last reconfirmed||2012-11-14 CC||ktietz at gcc dot gnu.org Ever Confirmed|0 |1 --- Comment #2 from Kai Tietz ktietz at gcc dot gnu.org 2012-11-14 12:28:22 UTC --- I have the following patch which should solve this issue: Index: i386.c === --- i386.c (Revision 193485) +++ i386.c (Arbeitskopie) @@ -28805,7 +28805,10 @@ /* For function version, add the target suffix to the assembler name. */ if (TREE_CODE (decl) == FUNCTION_DECL DECL_FUNCTION_VERSIONED (decl)) -return ix86_mangle_function_version_assembler_name (decl, id); +id = ix86_mangle_function_version_assembler_name (decl, id); +#ifdef TARGET_MANGLE_DECL_ASSEMBLER_NAME + id = TARGET_MANGLE_DECL_ASSEMBLER_NAME (decl, id); +#endif return id; }
[Bug target/55268] gcc4.8 mingw-w64 wrong stdcall import symbols generated after rev 193204
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=55268 Kai Tietz ktietz at gcc dot gnu.org changed: What|Removed |Added CC||jojelino at gmail dot com --- Comment #3 from Kai Tietz ktietz at gcc dot gnu.org 2012-11-14 12:36:25 UTC --- *** Bug 55317 has been marked as a duplicate of this bug. ***
[Bug target/55317] [i386-regression] just don't strip stdcall suffix in gcc
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=55317 Kai Tietz ktietz at gcc dot gnu.org changed: What|Removed |Added Status|UNCONFIRMED |RESOLVED CC||ktietz at gcc dot gnu.org Resolution||DUPLICATE --- Comment #2 from Kai Tietz ktietz at gcc dot gnu.org 2012-11-14 12:36:25 UTC --- Yes, it is a duplicate *** This bug has been marked as a duplicate of bug 55268 ***
[Bug ada/55324] New: diagnostic about abstract new in type derivation misleading due to being overly terse
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=55324 Bug #: 55324 Summary: diagnostic about abstract new in type derivation misleading due to being overly terse Classification: Unclassified Product: gcc Version: 4.8.0 Status: UNCONFIRMED Severity: enhancement Priority: P3 Component: ada AssignedTo: unassig...@gcc.gnu.org ReportedBy: georg...@googlemail.com When deriving an abstract type from a tagged type but omitting the record extension part, GNAT says that abstract is not allowed here. Actually it is, following LRM 3.4 about derived_type_definition (similarly, 12.5.1), but only if followed by the record extension part. Maybe the here of the message could be expanded a bit, here[, only for ...] package x is type T is abstract tagged null record; type S is abstract new T; -- with null record; end x; $ gnatmake -gnatwa -gnaty -gnatv x.ads gcc -c -gnatwa -gnaty -gnatv x.ads GNAT 4.8.0 20120611 (experimental) Copyright 1992-2012, Free Software Foundation, Inc. Compiling: x.ads (source file time stamp: 2012-11-14 12:13:28) 5.type S is abstract new T; -- with null record; | abstract not allowed here, ignored 7 lines: 1 error gnatmake: x.ads compilation error
[Bug c++/54413] Option for turning off compiler extensions for -std=c++11 with respect to complex/fixed-point numbers missing
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=54413 --- Comment #18 from Ed Smith-Rowland 3dw4rd at verizon dot net 2012-11-14 13:07:00 UTC --- I added a bullet for this flag in gcc-4.8/changes.html. How does one close a bug?
[Bug c++/54413] Option for turning off compiler extensions for -std=c++11 with respect to complex/fixed-point numbers missing
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=54413 Paolo Carlini paolo.carlini at oracle dot com changed: What|Removed |Added Status|NEW |RESOLVED Resolution||FIXED Target Milestone|--- |4.8.0 --- Comment #19 from Paolo Carlini paolo.carlini at oracle dot com 2012-11-14 13:18:18 UTC --- Doesn't seem so ambiguous to me ;)
[Bug c++/54413] Option for turning off compiler extensions for -std=c++11 with respect to complex/fixed-point numbers missing
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=54413 --- Comment #20 from Jonathan Wakely redi at gcc dot gnu.org 2012-11-14 13:21:06 UTC --- (In reply to comment #18) I added a bullet for this flag in gcc-4.8/changes.html. Thanks! How does one close a bug? You need to have the right permission bits set on your account, which are automatically set if you use an @gcc.gnu.org account.
[Bug c/55322] Suggestion: Warn suspicious usage of arrays of structures
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=55322 Marek Polacek mpolacek at gcc dot gnu.org changed: What|Removed |Added CC||mpolacek at gcc dot gnu.org --- Comment #1 from Marek Polacek mpolacek at gcc dot gnu.org 2012-11-14 13:30:28 UTC --- IMHO we don't want to warn on this. It's legal to write array-y = 0 or (*array).y = 0.
[Bug other/55292] libsanitizer doesn't support x32
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=55292 --- Comment #1 from hjl at gcc dot gnu.org hjl at gcc dot gnu.org 2012-11-14 13:46:01 UTC --- Author: hjl Date: Wed Nov 14 13:45:56 2012 New Revision: 193500 URL: http://gcc.gnu.org/viewcvs?root=gccview=revrev=193500 Log: Check __x86_64__ instead of __WORDSIZE PR other/55292 Backport from upstream revision 167883 * sanitizer_common/sanitizer_linux.cc (internal_mmap): Check __x86_64__ instead of __WORDSIZE. (internal_filesize): Likwise. Modified: trunk/libsanitizer/ChangeLog trunk/libsanitizer/sanitizer_common/sanitizer_linux.cc
[Bug other/55292] libsanitizer doesn't support x32
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=55292 H.J. Lu hjl.tools at gmail dot com changed: What|Removed |Added Status|UNCONFIRMED |RESOLVED Resolution||FIXED --- Comment #2 from H.J. Lu hjl.tools at gmail dot com 2012-11-14 13:47:25 UTC --- Fixed.
[Bug tree-optimization/55253] [4.8 Regression] Revision 193298 miscompiles sqlite with -Os
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=55253 Martin Jambor jamborm at gcc dot gnu.org changed: What|Removed |Added Status|ASSIGNED|RESOLVED Resolution||FIXED --- Comment #7 from Martin Jambor jamborm at gcc dot gnu.org 2012-11-14 14:02:26 UTC --- Fixed.
[Bug target/54791] AIX-only: Constructors are not called in main program.
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=54791 --- Comment #24 from David Edelsohn dje at gcc dot gnu.org 2012-11-14 14:20:06 UTC --- I successfully built GCC 4.7 earlier this week. You may need to use GMP 4.3.2, not GMP 5.0
[Bug c++/54466] [C++11] Recursive Type Alias, Member Function Pointer, Segmentation Fault
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=54466 --- Comment #12 from Matt Clarkson mattyclarkson at gmail dot com 2012-11-14 14:24:11 UTC --- @Dodji, thanks for fixing this :) What release will this be in? 4.8.1?
[Bug bootstrap/55289] darwin bootstrap fails due to missing libsanitizer/interception/mach_override directory and files
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=55289 --- Comment #21 from Jack Howarth howarth at nitro dot med.uc.edu 2012-11-14 14:24:43 UTC --- Patch posted at http://gcc.gnu.org/ml/gcc-patches/2012-11/msg01116.html which assumes the libsanitizer maintainers import mach_override/mach_override.h and mach_override/mach_override.c.
[Bug c++/54466] [C++11] Recursive Type Alias, Member Function Pointer, Segmentation Fault
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=54466 Jonathan Wakely redi at gcc dot gnu.org changed: What|Removed |Added Target Milestone|--- |4.8.0 --- Comment #13 from Jonathan Wakely redi at gcc dot gnu.org 2012-11-14 14:29:19 UTC --- 4.8.0
[Bug c++/55323] [4.8] ICE in expand_aggr_init_1, at cp/init.c:1718
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=55323
Daniel Krügler daniel.kruegler at googlemail dot com changed:
What|Removed |Added
CC||daniel.kruegler at
||googlemail dot com
--- Comment #1 from Daniel Krügler daniel.kruegler at googlemail dot com
2012-11-14 14:43:03 UTC ---
Reducing:
//--
struct foo {
foo(int a, float b);
};
struct bar : foo {
templatetypename... Args
bar(Args... args) : foo(2, args){}
};
bar b(2,1.);
//--
gives me
7|internal compiler error: in expand_aggr_init_1, at cp/init.c:1718|
for gcc 4.8.0 20121104 (experimental)
using flags
-std=c++11 -pedantic -Wall
[Bug bootstrap/55289] darwin bootstrap fails due to missing libsanitizer/interception/mach_override directory and files
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=55289 --- Comment #22 from Jack Howarth howarth at nitro dot med.uc.edu 2012-11-14 14:45:48 UTC --- Revised patch posted at http://gcc.gnu.org/ml/gcc-patches/2012-11/msg01119.html.
[Bug c++/55323] ICE in expand_aggr_init_1, at cp/init.c:1718
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=55323 Paolo Carlini paolo.carlini at oracle dot com changed: What|Removed |Added Status|UNCONFIRMED |NEW Last reconfirmed||2012-11-14 Summary|[4.8] ICE in|ICE in expand_aggr_init_1, |expand_aggr_init_1, at |at cp/init.c:1718 |cp/init.c:1718 | Ever Confirmed|0 |1
[Bug bootstrap/55051] [4.8 Regression] profiledbootstrap failed
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=55051 --- Comment #4 from H.J. Lu hjl.tools at gmail dot com 2012-11-14 15:06:44 UTC --- With revision 193500, we got libdecnumber -I../../src-trunk/gcc/../libdecnumber/bid -I../libdecnumber -I../../src-trunk/gcc/../libbacktrace../../src-trunk/gcc/gimple-iterator.c -o gimple-iterator.o ../../src-trunk/gcc/fold-const.c:16732:1: internal compiler error: in edge_badness, at ipa-inline.c:921 } ^ 0x11ddca7 edge_badness ../../src-trunk/gcc/ipa-inline.c:921 0x11ddf41 update_edge_key ../../src-trunk/gcc/ipa-inline.c:987 0x11df257 inline_small_functions ../../src-trunk/gcc/ipa-inline.c:1476 0x11dff6a ipa_inline ../../src-trunk/gcc/ipa-inline.c:1794 Please submit a full bug report, with preprocessed source if appropriate. Please include the complete backtrace with any bug report. See http://gcc.gnu.org/bugs.html for instructions. make[6]: *** [fold-const.o] Error 1
[Bug bootstrap/55051] [4.8 Regression] profiledbootstrap failed
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=55051 --- Comment #5 from H.J. Lu hjl.tools at gmail dot com 2012-11-14 15:08:53 UTC --- There are badness = (relative_time_benefit (callee_info, edge, edge_time) * (INT_MIN / 16 / RELATIVE_TIME_BENEFIT_RANGE)); badness /= (growth * MAX (1, callee_info-growth)); gcc_checking_assert (badness =0 badness = INT_MIN / 16);
[Bug bootstrap/55051] [4.8 Regression] profiledbootstrap failed
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=55051 Markus Trippelsdorf markus at trippelsdorf dot de changed: What|Removed |Added CC||markus at trippelsdorf dot ||de --- Comment #6 from Markus Trippelsdorf markus at trippelsdorf dot de 2012-11-14 15:13:08 UTC --- (In reply to comment #5) There are badness = (relative_time_benefit (callee_info, edge, edge_time) * (INT_MIN / 16 / RELATIVE_TIME_BENEFIT_RANGE)); badness /= (growth * MAX (1, callee_info-growth)); gcc_checking_assert (badness =0 badness = INT_MIN / 16); Yes, badness is 1 in this case... I'm reducing the issue right now.
[Bug bootstrap/55051] [4.8 Regression] profiledbootstrap failed
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=55051 --- Comment #7 from Jan Hubicka hubicka at ucw dot cz 2012-11-14 15:35:26 UTC --- --- Comment #6 from Markus Trippelsdorf markus at trippelsdorf dot de 2012-11-14 15:13:08 UTC --- (In reply to comment #5) There are badness = (relative_time_benefit (callee_info, edge, edge_time) * (INT_MIN / 16 / RELATIVE_TIME_BENEFIT_RANGE)); badness /= (growth * MAX (1, callee_info-growth)); gcc_checking_assert (badness =0 badness = INT_MIN / 16); Yes, badness is 1 in this case... I'm reducing the issue right now. Thanks, I was just about to start looking into FDO inlining re-tunning. relative_time_benefit should be in range 0...INT_MAX / 64 so it should end up in multipling -4 times that should be safe. I am going to try to reproduce it now. /bin/bash: ./:q: Permission denied
[Bug bootstrap/55289] darwin bootstrap fails due to missing libsanitizer/interception/mach_override directory and files
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=55289 --- Comment #23 from Jack Howarth howarth at nitro dot med.uc.edu 2012-11-14 15:51:44 UTC --- Created attachment 28683 -- http://gcc.gnu.org/bugzilla/attachment.cgi?id=28683 debug output from mach_override running use_after_free test case Debugging output from mach_override/mach_override.c using test case built with proposed patch using... gcc-fsf-4.8 -faddress-sanitizer -framework CoreFoundation -O1 -fno-omit-frame-pointer -g -o use-after-free use-after-free.c -lasan
[Bug bootstrap/55289] darwin bootstrap fails due to missing libsanitizer/interception/mach_override directory and files
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=55289 --- Comment #24 from Jack Howarth howarth at nitro dot med.uc.edu 2012-11-14 15:59:55 UTC --- Created attachment 28684 -- http://gcc.gnu.org/bugzilla/attachment.cgi?id=28684 disassembled use-after-free.o from clang 3.2 Disassembled use-after-free.o generated with... /sw/opt/llvm-3.2/bin/clang -fsanitize=address -O1 -fno-omit-frame-pointer -g use-after-free.c --save-temps objdump -d use-after-free.o use-after-free.clang.disasm
[Bug bootstrap/55289] darwin bootstrap fails due to missing libsanitizer/interception/mach_override directory and files
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=55289 --- Comment #25 from Jack Howarth howarth at nitro dot med.uc.edu 2012-11-14 16:02:03 UTC --- Created attachment 28685 -- http://gcc.gnu.org/bugzilla/attachment.cgi?id=28685 disassembled use-after-free.o from gcc trunk Disassembled use-after-free.o generated with... gcc-fsf-4.8 -faddress-sanitizer -framework CoreFoundation -O1 -fno-omit-frame-pointer -g -o use-after-free use-after-free.c -lasan --save-temps objdump -d use-after-free.o use-after-free.gcc48.disasm
[Bug bootstrap/55289] darwin bootstrap fails due to missing libsanitizer/interception/mach_override directory and files
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=55289 --- Comment #26 from Jack Howarth howarth at nitro dot med.uc.edu 2012-11-14 16:03:03 UTC --- Created attachment 28686 -- http://gcc.gnu.org/bugzilla/attachment.cgi?id=28686 diff between disassembled use-after-free.o generated by clang 3.2 and gcc trunk
[Bug bootstrap/55289] darwin bootstrap fails due to missing libsanitizer/interception/mach_override directory and files
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=55289
--- Comment #27 from Jack Howarth howarth at nitro dot med.uc.edu 2012-11-14
16:06:10 UTC ---
The error in mach_override.c occurs for the use-after-free.c test case at...
Replacing function at 0x1119ef630
First 16 bytes of the function: 48 8d 5 11 4f b 0 53 48 8d 5f e0 48 89 77 90
To disassemble, save the following function as disas.c and run:
gcc -c disas.c gobjdump -d disas.o
The first 16 bytes of the original function will start after four nop
instructions.
void foo() {
asm volatile(nop;nop;nop;nop;);
asm volatile(.byte 0x48, 0x8d, 0x5, 0x11, 0x4f, 0xb, 0x0, 0x53;);
asm volatile(.byte 0x48, 0x8d, 0x5f, 0xe0, 0x48, 0x89, 0x77, 0x90;);
}
Matching: 48 FAIL
Matching: 48 FAIL
Matching: 48 FAIL
Matching: 48 FAIL
Matching: 48 8d FAIL
Matching: 48 8d FAIL
Matching: 48 8d FAIL
Matching: 48 8d FAIL
Matching: 48 FAIL
Matching: 48 FAIL
Matching: 48 FAIL
Matching: 48 FAIL
Matching: 48 FAIL
Matching: 48 FAIL
Matching: 48 FAIL
Matching: 48 FAIL
Matching: 48 FAIL
Matching: 48 FAIL
Matching: 48 FAIL
Matching: 48 8d FAIL
Matching: 48 8d FAIL
Matching: 48 FAIL
Matching: 48 8d FAIL
Matching: 48 FAIL
Matching: 48 FAIL
Matching: 48 FAIL
Matching: 48 FAIL
Matching: 48 FAIL
Matching: 48 FAIL
Matching: 48 FAIL
Matching: 48 FAIL
Matching: 48 FAIL
Matching: 48 8d FAIL
mach_override: some instructions unknown! Need to update mach_override.c
overridePossible = false @299
err = f801
../../../../gcc-4.8-20121114/libsanitizer/interception/mach_override/mach_override.c:308
err = f801
../../../../gcc-4.8-20121114/libsanitizer/interception/mach_override/mach_override.c:321
err = f801
../../../../gcc-4.8-20121114/libsanitizer/interception/mach_override/mach_override.c:327
err = f801
../../../../gcc-4.8-20121114/libsanitizer/interception/mach_override/mach_override.c:340
err = f801
../../../../gcc-4.8-20121114/libsanitizer/interception/mach_override/mach_override.c:345
First 16 bytes of the function after slicing: 48 8d 5 11 4f b 0 53 48 8d 5f e0
48 89 77 90
[Bug c++/55325] New: [4.8 Regression]: g++.dg/cpp0x/constexpr-complex.C excess errors
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=55325 Bug #: 55325 Summary: [4.8 Regression]: g++.dg/cpp0x/constexpr-complex.C excess errors Classification: Unclassified Product: gcc Version: 4.8.0 Status: UNCONFIRMED Keywords: wrong-code Severity: normal Priority: P3 Component: c++ AssignedTo: unassig...@gcc.gnu.org ReportedBy: h...@gcc.gnu.org CC: e...@gcc.gnu.org Host: x86_64-unknown-linux-gnu Target: cris-axis-elf, sh4-linux, i686-linux, x86_64-linux This test previously passed, now it fails. A patch in the revision range (last_known_working:first_known_failing) 193374:193385 exposed or caused this regression. Since then it fails as follows: Running /tmp/hpautotest-gcc1/gcc/gcc/testsuite/g++.dg/dg.exp ... ... FAIL: g++.dg/cpp0x/constexpr-complex.C (test for excess errors) In g++.log for cris-elf: Executing on host: /tmp/hpautotest-gcc1/cris-elf/gccobj/gcc/testsuite/g++/../../g++ -B/tmp/hpautotest-gcc1/cris-elf/gccobj/gcc/testsuite/g++/../../ /tmp/hpautotest-gcc1/gcc/gcc/testsuite/g++.dg/cpp0x/constexpr-complex.C -fno-diagnostics-show-caret -nostdinc++ -I/tmp/hpautotest-gcc1/cris-elf/gccobj/cris-elf/libstdc++-v3/include/cris-elf -I/tmp/hpautotest-gcc1/cris-elf/gccobj/cris-elf/libstdc++-v3/include -I/tmp/hpautotest-gcc1/gcc/libstdc++-v3/libsupc++ -I/tmp/hpautotest-gcc1/gcc/libstdc++-v3/include/backward -I/tmp/hpautotest-gcc1/gcc/libstdc++-v3/testsuite/util -fmessage-length=0 -std=c++0x -S -isystem /tmp/hpautotest-gcc1/cris-elf/gccobj/cris-elf/./newlib/targ-include -isystem /tmp/hpautotest-gcc1/gcc/newlib/libc/include -o constexpr-complex.s (timeout = 300) /tmp/hpautotest-gcc1/gcc/gcc/testsuite/g++.dg/cpp0x/constexpr-complex.C: In constructor 'constexpr complex::complex(float, float)': /tmp/hpautotest-gcc1/gcc/gcc/testsuite/g++.dg/cpp0x/constexpr-complex.C:12:26: error: unable to find numeric literal operator 'operator fi' Looks like the regression is universal: sh4-linux: http://gcc.gnu.org/ml/gcc-testresults/2012-11/msg01164.html i686-linux: http://gcc.gnu.org/ml/gcc-testresults/2012-11/msg01171.html x86_64-linux: http://gcc.gnu.org/ml/gcc-testresults/2012-11/msg01173.html Author of suspect patch in revision range CC:ed.
[Bug bootstrap/55289] darwin bootstrap fails due to missing libsanitizer/interception/mach_override directory and files
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=55289 Alexander Potapenko glider at google dot com changed: What|Removed |Added CC||glider at google dot com --- Comment #28 from Alexander Potapenko glider at google dot com 2012-11-14 16:13:47 UTC --- === t.o: file format mach-o-x86-64 Disassembly of section .text: _foo: 0:55 push %rbp 1:48 89 e5 mov%rsp,%rbp 4:90 nop 5:90 nop 6:90 nop 7:90 nop 8:48 8d 05 11 4f 0b 00 lea0xb4f11(%rip),%rax# b4f20 _foo.eh+0xb4ee8 f:53 push %rbx 10:48 8d 5f e0 lea-0x20(%rdi),%rbx 14:48 89 77 90 mov%rsi,-0x70(%rdi) 18:5d pop%rbp 19:c3 retq === mach_override must be choking on the lea instruction. The easiest way to handle it is to add 48 8d 05 00 00 00 00 to the list of instructions and mark it as lea $imm(%rip),%rax. You can also dive into the opcodes a bit and mask the bits that select the destination register. I'll take a look at mach_override.c code to suggest the actual patch.
[Bug c++/55326] New: FAIL: g++.dg/cpp0x/constexpr-complex.C (test for excess errors)
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=55326 Bug #: 55326 Summary: FAIL: g++.dg/cpp0x/constexpr-complex.C (test for excess errors) Classification: Unclassified Product: gcc Version: 4.8.0 Status: UNCONFIRMED Severity: normal Priority: P3 Component: c++ AssignedTo: unassig...@gcc.gnu.org ReportedBy: gre...@gcc.gnu.org CC: 3dw...@verizon.net Target: arm-none-eabi New test failures on arm: FAIL: g+.dg/parse/template23.C -std=c+11 (test for errors, line 8) FAIL: g+.dg/parse/template23.C -std=c+11 (test for errors, line 9) FAIL: g+.dg/parse/template23.C -std=c+11 (test for excess errors) FAIL: g++.dg/cpp0x/constexpr-complex.C (test for excess errors) Caused by r193382, described here: http://gcc.gnu.org/ml/gcc-patches/2012-11/msg00347.html /work/bisect/build-complex-193382/gcc/testsuite/g++/../../g++ -B/work/bisect/build-complex-193382/gcc/testsuite/g++/../../ /work/local-checkouts/gcc-git/gcc/testsuite/g++.dg/cpp0x/constexpr-complex.C -fno-diagnostics-show-caret -fmessage-length=0 -std=c++0x -S-mthumb -o constexpr-complex.s(timeout = 60) /work/local-checkouts/gcc-git/gcc/testsuite/g++.dg/cpp0x/constexpr-complex.C: In constructor 'constexpr complex::complex(float, float)': /work/local-checkouts/gcc-git/gcc/testsuite/g++.dg/cpp0x/constexpr-complex.C:12:26: error: unable to find numeric literal operator 'operator fi' /work/local-checkouts/gcc-git/gcc/testsuite/g++.dg/cpp0x/constexpr-complex.C: At global scope: /work/local-checkouts/gcc-git/gcc/testsuite/g++.dg/cpp0x/constexpr-complex.C:17:19: error: 'constexpr complex::complex(float, float)' called in a constant expression Target: arm-none-eabi Configured with: /work/local-checkouts/gcc-git/configure --target=arm-none-eabi --enable-languages=c,c++ --disable-shared --disable-nls --disable-lto --disable-threads --disable-tls --disable-werror --disable-libssp --disable-libgomp --disable-libmudflap --enable-checking=yes --without-headers --with-newlib --with-gnu-as --with-gnu-ld --with-gmp=/projects/pl802_weddell/tools/linux_x86_64 --with-mpfr=/projects/pl802_weddell/tools/linux_x86_64 --with-mpc=/projects/pl802_weddell/tools/linux_x86_64 --with-libelf=/projects/pl802_weddell/tools/linux_x86_64 --with-cpu=cortex-a9 --with-fpu=neon --with-float-abi=softfp Thread model: single gcc version 4.8.0 20121109 (experimental) (GCC)
[Bug c++/55325] [4.8 Regression]: g++.dg/cpp0x/constexpr-complex.C excess errors
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=55325 Paolo Carlini paolo.carlini at oracle dot com changed: What|Removed |Added Status|UNCONFIRMED |NEW Last reconfirmed||2012-11-14 Ever Confirmed|0 |1 --- Comment #1 from Paolo Carlini paolo.carlini at oracle dot com 2012-11-14 16:18:05 UTC --- I also see failing g++.dg/parse/template23.C and for this one too the problem seems related to the recent changes for PR54413.
[Bug c++/55326] FAIL: g++.dg/cpp0x/constexpr-complex.C (test for excess errors)
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=55326 Paolo Carlini paolo.carlini at oracle dot com changed: What|Removed |Added Status|UNCONFIRMED |RESOLVED Resolution||DUPLICATE --- Comment #1 from Paolo Carlini paolo.carlini at oracle dot com 2012-11-14 16:19:54 UTC --- Dup. *** This bug has been marked as a duplicate of bug 55325 ***
[Bug c++/55325] [4.8 Regression]: g++.dg/cpp0x/constexpr-complex.C excess errors
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=55325 Paolo Carlini paolo.carlini at oracle dot com changed: What|Removed |Added CC||gretay at gcc dot gnu.org --- Comment #2 from Paolo Carlini paolo.carlini at oracle dot com 2012-11-14 16:19:54 UTC --- *** Bug 55326 has been marked as a duplicate of this bug. ***
[Bug other/55309] gcc's address-sanitizer 66% slower than clang's
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=55309 --- Comment #4 from Jakub Jelinek jakub at gcc dot gnu.org 2012-11-14 16:37:36 UTC --- Also, this comparison doesn't have numbers for pure clang without -fsanitize=address and gcc without -faddress-sanitizer, so likely most of the speed differences can't be attributed just to asan.
[Bug bootstrap/55289] darwin bootstrap fails due to missing libsanitizer/interception/mach_override directory and files
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=55289
--- Comment #29 from Alexander Potapenko glider at google dot com 2012-11-14
16:40:53 UTC ---
Index: mach_override.c
===
--- mach_override.c(revision 167724)
+++ mach_override.c(working copy)
@@ -725,6 +725,8 @@
{ 0x2, {0xFF, 0x00}, {0x89, 0x00} }, //
mov r/m32,r32 or r/m16,r16
{ 0x3, {0xFF, 0xFF, 0xFF}, {0x49, 0x89, 0xF8} }, //
mov %rdi,%r8
{ 0x4, {0xFF, 0xFF, 0xFF, 0xFF}, {0x40, 0x0F, 0xBE, 0xCE} }, //
movsbl %sil,%ecx
+{ 0x7, {0xFF, 0xFF, 0xFF, 0x00, 0x00, 0x00, 0x00},
+ {0x48, 0x8D, 0x05, 0x00, 0x00, 0x00, 0x00} }, // lea
$imm(%rip),%rax
{ 0x3, {0xFF, 0xFF, 0xFF}, {0x0F, 0xBE, 0xCE} }, // movsbl, %dh, %ecx
{ 0x3, {0xFF, 0xFF, 0x00}, {0xFF, 0x77, 0x00} }, // pushq $imm(%rdi)
{ 0x2, {0xFF, 0xFF}, {0xDB, 0xE3} }, // fninit
===
Please also make sure the interceptors work in 32-bit programs
[Bug c++/55323] ICE in expand_aggr_init_1, at cp/init.c:1718
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=55323 Paolo Carlini paolo.carlini at oracle dot com changed: What|Removed |Added Status|NEW |ASSIGNED AssignedTo|unassigned at gcc dot |paolo.carlini at oracle dot |gnu.org |com Target Milestone|--- |4.8.0 --- Comment #2 from Paolo Carlini paolo.carlini at oracle dot com 2012-11-14 16:43:37 UTC --- Thanks Daniel for the reduced testcase. The issue seems simple.
[Bug target/47440] Use LCM for vzeroupper insertion
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=47440 --- Comment #8 from uros at gcc dot gnu.org 2012-11-14 16:47:43 UTC --- Author: uros Date: Wed Nov 14 16:47:29 2012 New Revision: 193503 URL: http://gcc.gnu.org/viewcvs?root=gccview=revrev=193503 Log: PR target/47440 * config/i386/i386.c (gate_insert_vzeroupper): New function. (rest_of_handle_insert_vzeroupper): Ditto. (struct rtl_opt_pass pass_insert_vzeroupper): New. (ix86_option_override): Register vzeroupper insertion pass here. (ix86_check_avx256_register): Handle SUBREGs properly. (ix86_init_machine_status): Remove optimize_mode_switching[AVX_U128] initialization. Modified: trunk/gcc/ChangeLog trunk/gcc/config/i386/i386.c
[Bug bootstrap/55289] darwin bootstrap fails due to missing libsanitizer/interception/mach_override directory and files
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=55289 --- Comment #30 from Jack Howarth howarth at nitro dot med.uc.edu 2012-11-14 16:54:06 UTC --- (In reply to comment #29) Thanks with the patch applied from comment 29, now the use-after-free testcase works without errors... howarth% ./use-after-free = ==30656== ERROR: AddressSanitizer heap-use-after-free on address 0x000108843f45 at pc 0x105b8bf12 bp 0x7fff5a0748e0 sp 0x7fff5a0748d8 READ of size 1 at 0x000108843f45 thread T0 #0 0x105b8bf11 (/Users/howarth/./use-after-free+0x10f11) #1 0x7fff8bd827e0 (/usr/lib/system/libdyld.dylib+0x27e0) #2 0x0 0x000108843f45 is located 5 bytes inside of 80-byte region [0x000108843f40,0x000108843f90) freed by thread T0 here: #0 0x105b9a7a4 (/sw/lib/gcc4.8/lib/libasan.0.dylib+0xb7a4) #1 0x105b9a92a (/sw/lib/gcc4.8/lib/libasan.0.dylib+0xb92a) #2 0x105b8bee5 (/Users/howarth/./use-after-free+0x10ee5) #3 0x7fff8bd827e0 (/usr/lib/system/libdyld.dylib+0x27e0) #4 0x0 previously allocated by thread T0 here: #0 0x105b9a255 (/sw/lib/gcc4.8/lib/libasan.0.dylib+0xb255) #1 0x7fff94c3b152 (/usr/lib/system/libsystem_c.dylib+0x2d152) #2 0x7fff94c3bba6 (/usr/lib/system/libsystem_c.dylib+0x2dba6) #3 0x105b8beda (/Users/howarth/./use-after-free+0x10eda) #4 0x7fff8bd827e0 (/usr/lib/system/libdyld.dylib+0x27e0) Shadow byte and word: 0x1000211087e8: fd 0x1000211087e8: fd fd fd fd fd fd fd fd More shadow bytes: 0x1000211087c8: fa fa fa fa fa fa fa fa 0x1000211087d0: fa fa fa fa fa fa fa fa 0x1000211087d8: fa fa fa fa fa fa fa fa 0x1000211087e0: fa fa fa fa fa fa fa fa =0x1000211087e8: fd fd fd fd fd fd fd fd 0x1000211087f0: fd fd fd fd fd fd fd fd 0x1000211087f8: fa fa fa fa fa fa fa fa 0x100021108800: fa fa fa fa fa fa fa fa 0x100021108808: fa fa fa fa fa fa fa fa Stats: 0M malloced (0M for red zones) by 1 calls Stats: 0M realloced by 0 calls Stats: 0M freed by 1 calls Stats: 0M really freed by 0 calls Stats: 0M (128 full pages) mmaped in 1 calls mmaps by size class: 8:2047; mallocs by size class: 8:1; frees by size class: 8:1; rfrees by size class: Stats: malloc large: 0 small slow: 1 ==30656== ABORTING I'll try to test a i386-apple-darwin10 build of gcc trunk later today (unless the multilib for libsanitizer gets fixed first and I can test -m32 on a x86_64-apple-darwin12 build).
[Bug c++/55318] Missing uninitialized warning
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=55318 --- Comment #2 from brunonery+bugzilla at brunonery dot com 2012-11-14 16:55:36 UTC --- Not -Winit-self alone, but together with -Wuninitialized.
[Bug c++/55325] [4.8 Regression]: g++.dg/cpp0x/constexpr-complex.C excess errors
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=55325 --- Comment #3 from Hans-Peter Nilsson hp at gcc dot gnu.org 2012-11-14 16:59:29 UTC --- (In reply to comment #1) I also see failing g++.dg/parse/template23.C and for this one too the problem seems related to the recent changes for PR54413. Right, thanks, I was just about to analyze that one. Speaking of that commit, some of the new tests fail for me: FAIL: g++.dg/cpp0x/gnu_fext-numeric-literals.C (test for excess errors) FAIL: g++.dg/cpp0x/std_fext-numeric-literals.C (test for excess errors) and in g++.log: Excess errors: /tmp/hpautotest-gcc1/gcc/gcc/testsuite/g++.dg/cpp0x/gnu_fext-numeric-literals.C:94:3: error: unsupported non-standard suffix on floating constant /tmp/hpautotest-gcc1/gcc/gcc/testsuite/g++.dg/cpp0x/gnu_fext-numeric-literals.C:95:3: error: unsupported non-standard suffix on floating constant /tmp/hpautotest-gcc1/gcc/gcc/testsuite/g++.dg/cpp0x/gnu_fext-numeric-literals.C:96:3: error: unsupported non-standard suffix on floating constant /tmp/hpautotest-gcc1/gcc/gcc/testsuite/g++.dg/cpp0x/gnu_fext-numeric-literals.C:97:3: error: unsupported non-standard sufffix on floating constant maybe related, maybe material for a new PR.
[Bug other/55309] gcc's address-sanitizer 66% slower than clang's
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=55309 --- Comment #5 from Markus Trippelsdorf markus at trippelsdorf dot de 2012-11-14 17:02:54 UTC --- (In reply to comment #4) Also, this comparison doesn't have numbers for pure clang without -fsanitize=address and gcc without -faddress-sanitizer, so likely most of the speed differences can't be attributed just to asan. Yes. It was meant as a rough estimate. Here is a more complete result (clang trunk build with Release mode, gcc trunk with --enable-checking=release and lto/profiledbootstraped): clang (with-without): 1278.47-662.47 = 616 gcc (with-without): 2733.02-1168.07= 1564.95 That's still a 60.64% slowdown.
[Bug c++/55254] Warn for implicit conversion from int to char
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=55254
Jonathan Wakely redi at gcc dot gnu.org changed:
What|Removed |Added
Keywords||diagnostic
--- Comment #1 from Jonathan Wakely redi at gcc dot gnu.org 2012-11-14
17:12:23 UTC ---
An alternative would be to warn for conversion from the char literal '=' to an
integer type. If you said '=' chances are you meant it to be a char, not
int('='). That wouldn't help if using a non-literal char though.
Or, when calling a function with two or more arguments, if all arguments
require an implicit conversion and re-ordering the arguments would require
fewer implicit conversions, suggest the arguments might be ordered incorrectly.
That would be more work (to implement, at on every compilation)
[Bug regression/55327] New: FAIL: gcc.dg/vect/slp-perm-8.c scan-tree-dump-times vect vectorized 1 loops 2
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=55327 Bug #: 55327 Summary: FAIL: gcc.dg/vect/slp-perm-8.c scan-tree-dump-times vect vectorized 1 loops 2 Classification: Unclassified Product: gcc Version: 4.8.0 Status: UNCONFIRMED Severity: normal Priority: P3 Component: regression AssignedTo: unassig...@gcc.gnu.org ReportedBy: gre...@gcc.gnu.org CC: rguent...@suse.de Target: arm-none-eabi After r192987, the following tests started failing on arm-none-eabi: FAIL: gcc.dg/vect/slp-perm-8.c scan-tree-dump-times vect vectorized 1 loops 2 FAIL: gcc.dg/vect/slp-perm-8.c scan-tree-dump-times vect vectorizing stmts using SLP 1 One more loop is now vectorized using SLP. Similarly, the following test started failing: FAIL: gcc.dg/vect/slp-perm-9.c scan-tree-dump-times vect permutation requires at least three vectors 1 This message appears twice in the dump file, instead of just once, as expected.
[Bug tree-optimization/54717] [4.8 Regression] Runtime regression: polyhedron test rnflow degraded
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=54717
--- Comment #12 from Sergey Ostanevich sergos.gnu at gmail dot com 2012-11-14
18:56:22 UTC ---
Actually, it is not.
I found that PRE did not collected a memory access within the loop that caused
later missing vectorization. Here is dump before (good one) and after the
commit (bad one)
bb 88:
pretmp_263 = (integer(kind=8)) ival2_82;
pretmp_264 = pretmp_263 + -1;
pretmp_265 = *xxtrt_46(D)[pretmp_264];
bb 28:
# ival2_10 = PHI ival2_63(88), ival2_89(92)
# ival2_14 = PHI ival2_82(88), ival2_15(92)
# prephitmp_266 = PHI pretmp_265(88), prephitmp_237(92)
_83 = (integer(kind=8)) ival2_10;
_84 = _83 + -1;
_85 = *xxtrt_46(D)[_84];
_86 = (integer(kind=8)) ival2_14;
_87 = _86 + -1;
_88 = prephitmp_266;
if (_85 _88)
goto bb 29;
else
goto bb 90;
bb 90:
goto bb 30;
bb 29:
bb 30:
# ival2_15 = PHI ival2_14(90), ival2_10(29)
# prephitmp_237 = PHI _88(90), _85(29)
ival2_89 = ival2_10 + -1;
if (ival2_10 == ipos1_12)
goto bb 91;
else
goto bb 92;
bb 92:
goto bb 28;
-
bb 88:
bb 28:
# ival2_10 = PHI ival2_63(88), ival2_89(92)
# ival2_14 = PHI ival2_82(88), ival2_15(92)
_83 = (integer(kind=8)) ival2_10;
_84 = _83 + -1;
_85 = *xxtrt_46(D)[_84];
_86 = (integer(kind=8)) ival2_14;
_87 = _86 + -1;
_88 = *xxtrt_46(D)[_87];
if (_85 _88)
goto bb 29;
else
goto bb 90;
bb 90:
goto bb 30;
bb 29:
bb 30:
# ival2_15 = PHI ival2_14(90), ival2_10(29)
ival2_89 = ival2_10 + -1;
if (ival2_10 == ipos1_12)
goto bb 91;
else
goto bb 92;
bb 92:
goto bb 28;
-
So for the loop that starting at bb 28 you can see the xxtrt_46 access was not
put into pretemp. Possible reason is exactly as it was mentioned by Richard -
there were extra candidates collected and this one become less anticipatable
Skipping partial partial redundancy for expression
{array_refpretmp_8,0,4,mem_ref0B,xxtrt_46(D)}@.MEM_30(D) (0165)
not partially anticipated on any to be optimized for speed edges
---
Found partial partial redundancy for expression
{array_refpretmp_8,0,4,mem_ref0B,xxtrt_46(D)}@.MEM_30(D) (0165)
Created phi prephitmp_237 = PHI _88(90), _85(29)
in block 30
[Bug bootstrap/55289] darwin bootstrap fails due to missing libsanitizer/interception/mach_override directory and files
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=55289 --- Comment #31 from Jack Howarth howarth at nitro dot med.uc.edu 2012-11-14 19:10:15 UTC --- Also fine on i386-apple-darwin10... howarth% ./use-after-free = ==82550== ERROR: AddressSanitizer heap-use-after-free on address 0x0207afc5 at pc 0x1f0b bp 0xbfffe3a8 sp 0xbfffe39c READ of size 1 at 0x0207afc5 thread T0 #0 0x1f0a (/Users/howarth/./use-after-free+0x1f0a) #1 0x1ec0 (/Users/howarth/./use-after-free+0x1ec0) #2 0x0 (/Users/howarth/./use-after-free+0x0) 0x0207afc5 is located 5 bytes inside of 40-byte region [0x0207afc0,0x0207afe8) freed by thread T0 here: #0 0x10b34 (/sw_i386/lib/gcc4.8/lib/libasan.0.dylib+0xcb34) #1 0x10cdb (/sw_i386/lib/gcc4.8/lib/libasan.0.dylib+0xccdb) #2 0x1ee6 (/Users/howarth/./use-after-free+0x1ee6) #3 0x1ec0 (/Users/howarth/./use-after-free+0x1ec0) #4 0x0 (/Users/howarth/./use-after-free+0x0) previously allocated by thread T0 here: #0 0x10515 (/sw_i386/lib/gcc4.8/lib/libasan.0.dylib+0xc515) #1 0x99041ba7 (/usr/lib/libSystem.B.dylib+0x4ba7) #2 0x9903fc77 (/usr/lib/libSystem.B.dylib+0x2c77) #3 0x1edc (/Users/howarth/./use-after-free+0x1edc) #4 0x1ec0 (/Users/howarth/./use-after-free+0x1ec0) #5 0x0 (/Users/howarth/./use-after-free+0x0) Shadow byte and word: 0x2040f5f8: fd 0x2040f5f8: fd fd fd fd More shadow bytes: 0x2040f5e8: fa fa fa fa 0x2040f5ec: fa fa fa fa 0x2040f5f0: fa fa fa fa 0x2040f5f4: fa fa fa fa =0x2040f5f8: fd fd fd fd 0x2040f5fc: fd fd fd fd 0x2040f600: fa fa fa fa 0x2040f604: fa fa fa fa 0x2040f608: fa fa fa fa Stats: 0M malloced (0M for red zones) by 1 calls Stats: 0M realloced by 0 calls Stats: 0M freed by 1 calls Stats: 0M really freed by 0 calls Stats: 0M (128 full pages) mmaped in 1 calls mmaps by size class: 7:4095; mallocs by size class: 7:1; frees by size class: 7:1; rfrees by size class: Stats: malloc large: 0 small slow: 1 ==82550== ABORTING Alexander, can you check in libsanitizer/interception/mach_override/mach_override.c (patched as in comment 229) and libsanitizer/interception/mach_override/mach_override.h with the build infrastructure patch from http://gcc.gnu.org/ml/gcc-patches/2012-11/msg01119.html? It would be nice to be able to start testing libsanitizer on intel darwin.
[Bug tree-optimization/55079] [4.8 regression] false positive -Warray-bounds (also seen at -O3 bootstrap)
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=55079
Jan Hubicka hubicka at gcc dot gnu.org changed:
What|Removed |Added
Summary|[4.8 regression] false |[4.8 regression] false
|positive -Warray-bounds |positive -Warray-bounds
||(also seen at -O3
||bootstrap)
--- Comment #8 from Jan Hubicka hubicka at gcc dot gnu.org 2012-11-14
19:31:16 UTC ---
Hi,
at -O3 bootstrap we have false positive on simplify-rtx.c
../../gcc/simplify-rtx.c: In function ‘rtx_def* simplify_plus_minus(rtx_code,
machine_mode, rtx, rtx)’:
../../gcc/simplify-rtx.c:4285:63: warning: array subscript is below array
bounds [-Warray-bounds]
while (j-- simplify_plus_minus_op_data_cmp (ops[j].op, save.op));
the siplified testcase is as follows:
int a[8];
void
test(unsigned int n)
{
unsigned int i;
unsigned int j;
if (n8)
for (j=0;jn;j++)
{
i = j;
do
a[i+1]=a[i];
while (i--);
}
}
here we unroll the inner do loop 7 times based on the array bounds derived from
[i] access.
Afterwards VRP proves that j is always at most 7 and thus the loop walks out of
bounds. Here we may be able to determine that the loop accesses both i and i+1
and we could actually unroll only 6 times, but we handle each of array access
independently.
Re: [Bug tree-optimization/54717] [4.8 Regression] Runtime regression: polyhedron test rnflow degraded
So for the loop that starting at bb 28 you can see the xxtrt_46 access was not
put into pretemp. Possible reason is exactly as it was mentioned by Richard -
there were extra candidates collected and this one become less anticipatable
Skipping partial partial redundancy for expression
{array_refpretmp_8,0,4,mem_ref0B,xxtrt_46(D)}@.MEM_30(D) (0165)
not partially anticipated on any to be optimized for speed edges
---
Found partial partial redundancy for expression
{array_refpretmp_8,0,4,mem_ref0B,xxtrt_46(D)}@.MEM_30(D) (0165)
Created phi prephitmp_237 = PHI _88(90), _85(29)
in block 30
Hmm, interesting, what is the edge resonsible?
I would expect it to be the loopback edge and its frequency is:
;; basic block 28, loop depth 0, count 0, freq 1998, maybe hot
;;prev block 92, next block 94, flags: (NEW, REACHABLE)
;;pred: 92 [100.0%, 180] (FALLTHRU)
;;96 [100.0%, 1818] (FALLTHRU,DFS_BACK)
# ival2_136 = PHI ival2_62(92), ival2_144(96)
# ival2_140 = PHI ival2_80(92), ival2_146(96)
_137 = (integer(kind=8)) ival2_136;
_138 = _137 + -1;
_139 = *xxtrt_25(D)[_138];
_141 = (integer(kind=8)) ival2_140;
_142 = _141 + -1;
_143 = *xxtrt_25(D)[_142];
if (_139 _143)
goto bb 29;
else
goto bb 94;
1818 that should be still hot. Or isn't the heuristic backwards? I.e. I would
expect
the partial anticipance to sit on edge 92-28 (with freq 180) where we need to
insert
the computation to get the other path hot.
Honza
[Bug tree-optimization/54717] [4.8 Regression] Runtime regression: polyhedron test rnflow degraded
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=54717
--- Comment #13 from Jan Hubicka hubicka at ucw dot cz 2012-11-14 19:43:00
UTC ---
So for the loop that starting at bb 28 you can see the xxtrt_46 access was not
put into pretemp. Possible reason is exactly as it was mentioned by Richard -
there were extra candidates collected and this one become less anticipatable
Skipping partial partial redundancy for expression
{array_refpretmp_8,0,4,mem_ref0B,xxtrt_46(D)}@.MEM_30(D) (0165)
not partially anticipated on any to be optimized for speed edges
---
Found partial partial redundancy for expression
{array_refpretmp_8,0,4,mem_ref0B,xxtrt_46(D)}@.MEM_30(D) (0165)
Created phi prephitmp_237 = PHI _88(90), _85(29)
in block 30
Hmm, interesting, what is the edge resonsible?
I would expect it to be the loopback edge and its frequency is:
;; basic block 28, loop depth 0, count 0, freq 1998, maybe hot
;;prev block 92, next block 94, flags: (NEW, REACHABLE)
;;pred: 92 [100.0%, 180] (FALLTHRU)
;;96 [100.0%, 1818] (FALLTHRU,DFS_BACK)
# ival2_136 = PHI ival2_62(92), ival2_144(96)
# ival2_140 = PHI ival2_80(92), ival2_146(96)
_137 = (integer(kind=8)) ival2_136;
_138 = _137 + -1;
_139 = *xxtrt_25(D)[_138];
_141 = (integer(kind=8)) ival2_140;
_142 = _141 + -1;
_143 = *xxtrt_25(D)[_142];
if (_139 _143)
goto bb 29;
else
goto bb 94;
1818 that should be still hot. Or isn't the heuristic backwards? I.e. I would
expect
the partial anticipance to sit on edge 92-28 (with freq 180) where we need to
insert
the computation to get the other path hot.
Honza
[Bug tree-optimization/54717] [4.8 Regression] Runtime regression: polyhedron test rnflow degraded
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=54717
Jan Hubicka hubicka at gcc dot gnu.org changed:
What|Removed |Added
CC||hubicka at gcc dot gnu.org
--- Comment #14 from Jan Hubicka hubicka at gcc dot gnu.org 2012-11-14
20:11:17 UTC ---
Hmm, the optimize_edge_for_speed never returns false here. The problem is that
patch assumes that interesting successors of block with partial anticipance are
blocks with partial anticipance. The anticipance however could be full and it
seems that full anticipance do not imply partial one
Index: tree-ssa-pre.c
===
*** tree-ssa-pre.c (revision 193503)
--- tree-ssa-pre.c (working copy)
*** do_partial_partial_insertion (basic_bloc
*** 3525,3531
may cause regressions on the speed path. */
FOR_EACH_EDGE (succ, ei, block-succs)
{
! if (bitmap_set_contains_value (PA_IN (succ-dest), val))
{
if (optimize_edge_for_speed_p (succ))
do_insertion = true;
--- 3525,3532
may cause regressions on the speed path. */
FOR_EACH_EDGE (succ, ei, block-succs)
{
! if (bitmap_set_contains_value (PA_IN (succ-dest), val)
! || bitmap_set_contains_value (ANTIC_IN (succ-dest),
val))
{
if (optimize_edge_for_speed_p (succ))
do_insertion = true;
[Bug c++/11750] class scope using-declaration lookup not implemented
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=11750 --- Comment #9 from fabien at gcc dot gnu.org 2012-11-14 20:12:56 UTC --- Author: fabien Date: Wed Nov 14 20:12:47 2012 New Revision: 193504 URL: http://gcc.gnu.org/viewcvs?root=gccview=revrev=193504 Log: gcc/testsuite/ChangeLog 2012-11-14 Fabien Chêne fab...@gcc.gnu.org PR c++/11750 * g++.dg/inherit/vitual9.C: New. gcc/cp/ChangeLog 2012-11-14 Fabien Chêne fab...@gcc.gnu.org PR c++/11750 * call.c (build_new_method_call_1): Check that the instance type and the function context are the same before setting the flag LOOKUP_NONVIRTUAL. Added: trunk/gcc/testsuite/g++.dg/inherit/virtual9.C Modified: trunk/gcc/cp/ChangeLog trunk/gcc/cp/call.c trunk/gcc/testsuite/ChangeLog
[Bug c++/11750] class scope using-declaration lookup not implemented
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=11750 fabien at gcc dot gnu.org changed: What|Removed |Added Status|ASSIGNED|RESOLVED Resolution||FIXED Target Milestone|--- |4.8.0 --- Comment #10 from fabien at gcc dot gnu.org 2012-11-14 20:20:21 UTC --- Fixed in 4.8.
[Bug c++/55325] [4.8 Regression]: g++.dg/cpp0x/constexpr-complex.C excess errors
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=55325
--- Comment #4 from Ed Smith-Rowland 3dw4rd at verizon dot net 2012-11-14
20:20:27 UTC ---
OK, g++.dg/cpp0x/constexpr-complex.C will fail with the patch to control GNU
literal parsing. i.e. this behavior in intended.
The purpose of the test is to check that constexpr works with C99 complex
literals. So we could fix the test in either one of two equivalent ways:
Invoke with gnu++0x:
// { dg-options -std=gnu++0x }
Invoke with new flag:
// { dg-options -std=c++0x -fext-numeric-literals }
Any preference on which one?
I'll look at the other fails.
[Bug bootstrap/55289] darwin bootstrap fails due to missing libsanitizer/interception/mach_override directory and files
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=55289 --- Comment #32 from Konstantin Serebryany konstantin.s.serebryany at gmail dot com 2012-11-14 20:21:19 UTC --- Just want to repeat, that any work on mach_override may end up being wasted time because we plan to get rid of mach_override *really* soon.
[Bug c++/55323] ICE in expand_aggr_init_1, at cp/init.c:1718
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=55323 --- Comment #3 from paolo at gcc dot gnu.org paolo at gcc dot gnu.org 2012-11-14 20:29:26 UTC --- Author: paolo Date: Wed Nov 14 20:29:07 2012 New Revision: 193505 URL: http://gcc.gnu.org/viewcvs?root=gccview=revrev=193505 Log: /cp 2012-11-14 Paolo Carlini paolo.carl...@oracle.com PR c++/55323 * init.c (emit_mem_initializers): Skip arguments == error_mark_node. /testsuite 2012-11-14 Paolo Carlini paolo.carl...@oracle.com PR c++/55323 * g++.dg/cpp0x/vt-55323.C: New. Added: trunk/gcc/testsuite/g++.dg/cpp0x/vt-55323.C Modified: trunk/gcc/cp/ChangeLog trunk/gcc/cp/init.c trunk/gcc/testsuite/ChangeLog
[Bug c++/55325] [4.8 Regression]: g++.dg/cpp0x/constexpr-complex.C excess errors
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=55325 --- Comment #5 from Paolo Carlini paolo.carlini at oracle dot com 2012-11-14 20:36:37 UTC --- If you ask me, I have I slight preference for the latter, because isn't always obvious what gnu++* includes beyond c++*. But Jason will tell you, and the fix is straightforward anyway.
[Bug c++/55323] ICE in expand_aggr_init_1, at cp/init.c:1718
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=55323 Paolo Carlini paolo.carlini at oracle dot com changed: What|Removed |Added Status|ASSIGNED|RESOLVED Resolution||FIXED AssignedTo|paolo.carlini at oracle dot |unassigned at gcc dot |com |gnu.org --- Comment #4 from Paolo Carlini paolo.carlini at oracle dot com 2012-11-14 20:37:16 UTC --- Fixed for 4.8.0.
[Bug debug/55328] New: ICE: in output_addr_table_entry, at dwarf2out.c:21780 with -gsplit-dwarf
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=55328 Bug #: 55328 Summary: ICE: in output_addr_table_entry, at dwarf2out.c:21780 with -gsplit-dwarf Classification: Unclassified Product: gcc Version: 4.8.0 Status: UNCONFIRMED Severity: normal Priority: P3 Component: debug AssignedTo: unassig...@gcc.gnu.org ReportedBy: zso...@seznam.cz Created attachment 28687 -- http://gcc.gnu.org/bugzilla/attachment.cgi?id=28687 reduced testcase Compiler output: $ gcc -O -gsplit-dwarf testcase.c testcase.c:5:1: internal compiler error: in output_addr_table_entry, at dwarf2out.c:21780 } ^ 0x709e9b output_addr_table_entry /mnt/svn/gcc-trunk/gcc/dwarf2out.c:21779 0x11d23b7 htab_traverse_noresize /mnt/svn/gcc-trunk/libiberty/hashtab.c:784 0x746329 output_addr_table /mnt/svn/gcc-trunk/gcc/dwarf2out.c:21820 0x746329 dwarf2out_finish /mnt/svn/gcc-trunk/gcc/dwarf2out.c:23528 Please submit a full bug report, with preprocessed source if appropriate. Please include the complete backtrace with any bug report. See http://gcc.gnu.org/bugs.html for instructions. Tested revisions: r193495 - crash
[Bug bootstrap/55051] [4.8 Regression] profiledbootstrap failed
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=55051 --- Comment #8 from Markus Trippelsdorf markus at trippelsdorf dot de 2012-11-14 20:48:21 UTC --- Created attachment 28688 -- http://gcc.gnu.org/bugzilla/attachment.cgi?id=28688 testcase The testcase is only reduced to 97K, but it gets reduced very slowly and I'm giving up. $ g++ -w -c -O2 -fprofile-generate test.ii ... badness 0 badness 0 badness 1 test.ii:784:42: internal compiler error: in edge_badness, at ipa-inline.c:921
[Bug tree-optimization/55329] New: [4.8 Regression] ICE: internal compiler error: in operator[], at vec.h:487 with -O -fno-guess-branch-probability -fnon-call-exceptions --param=early-inlining-insns=1
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=55329 Bug #: 55329 Summary: [4.8 Regression] ICE: internal compiler error: in operator[], at vec.h:487 with -O -fno-guess-branch-probability -fnon-call-exceptions --param=early-inlining-insns=111 Classification: Unclassified Product: gcc Version: 4.8.0 Status: UNCONFIRMED Severity: normal Priority: P3 Component: tree-optimization AssignedTo: unassig...@gcc.gnu.org ReportedBy: zso...@seznam.cz Created attachment 28689 -- http://gcc.gnu.org/bugzilla/attachment.cgi?id=28689 preprocessed source; can't be significantly reduced Compiler output: $ gcc -O -fno-guess-branch-probability -fnon-call-exceptions --param=early-inlining-insns=111 /mnt/svn/gcc-trunk/gcc/testsuite/g++.dg/torture/pr48271.C -save-temps /mnt/svn/gcc-trunk/gcc/testsuite/g++.dg/torture/pr48271.C: In function 'void stCheckReverseTrain()': /mnt/svn/gcc-trunk/gcc/testsuite/g++.dg/torture/pr48271.C:116:6: internal compiler error: in operator[], at vec.h:487 void stCheckReverseTrain () ^ 0xc8fecb vec_tbasic_block_def*::operator[](unsigned int) /mnt/svn/gcc-trunk/gcc/vec.h:487 0xc8fecb tree_ssa_dominator_optimize /mnt/svn/gcc-trunk/gcc/tree-ssa-dom.c:807 Please submit a full bug report, with preprocessed source if appropriate. Please include the complete backtrace with any bug report. See http://gcc.gnu.org/bugs.html for instructions. Tested revisions: r193495 - crash 4.7 r191640 - OK
[Bug bootstrap/55289] darwin bootstrap fails due to missing libsanitizer/interception/mach_override directory and files
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=55289 --- Comment #33 from Jack Howarth howarth at nitro dot med.uc.edu 2012-11-14 20:56:50 UTC --- (In reply to comment #32) Just want to repeat, that any work on mach_override may end up being wasted time because we plan to get rid of mach_override *really* soon. Is that certain to be soon enough to insure that darwin has usable asan support for gcc 4.8? I would rather have the option of continuing to be able to test libsanitizer on darwin than having no support at all.
[Bug bootstrap/55321] [4.8 regression] Ada bootstrap failure on armv5tel-linux-gnueabi
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=55321 Eric Botcazou ebotcazou at gcc dot gnu.org changed: What|Removed |Added Status|UNCONFIRMED |ASSIGNED Last reconfirmed||2012-11-14 AssignedTo|unassigned at gcc dot |ebotcazou at gcc dot |gnu.org |gnu.org Target Milestone|--- |4.8.0 Ever Confirmed|0 |1 --- Comment #1 from Eric Botcazou ebotcazou at gcc dot gnu.org 2012-11-14 20:56:53 UTC --- This occurs with just -gnatpg -O. Investigating...
[Bug rtl-optimization/55330] New: [4.8 Regression] ICE: Maximum number of LRA constraint passes is achieved (15) on gfortran.dg/actual_array_constructor_1.f90
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=55330 Bug #: 55330 Summary: [4.8 Regression] ICE: Maximum number of LRA constraint passes is achieved (15) on gfortran.dg/actual_array_constructor_1.f90 Classification: Unclassified Product: gcc Version: 4.8.0 Status: UNCONFIRMED Severity: normal Priority: P3 Component: rtl-optimization AssignedTo: unassig...@gcc.gnu.org ReportedBy: zso...@seznam.cz Created attachment 28690 -- http://gcc.gnu.org/bugzilla/attachment.cgi?id=28690 gfortran.dg/actual_array_constructor_1.f90 Compiler output: $ gcc -O -fPIC -fno-dse -fno-guess-branch-probability actual_array_constructor_1.f90 actual_array_constructor_1.f90: In function 'p': actual_array_constructor_1.f90:20:0: internal compiler error: Maximum number of LRA constraint passes is achieved (15) end subroutine ^ 0x95f97e lra_constraints(bool) /mnt/svn/gcc-trunk/gcc/lra-constraints.c:3284 0x94ec3c lra(_IO_FILE*) /mnt/svn/gcc-trunk/gcc/lra.c:2274 0x906456 do_reload /mnt/svn/gcc-trunk/gcc/ira.c:4624 0x906456 rest_of_handle_reload /mnt/svn/gcc-trunk/gcc/ira.c:4737 Please submit a full bug report, with preprocessed source if appropriate. Please include the complete backtrace with any bug report. See http://gcc.gnu.org/bugs.html for instructions. Another set of compiler flags with the same result: $ gcc -O -fPIC -fstack-protector -fno-guess-branch-probability actual_array_constructor_1.f90 actual_array_constructor_1.f90: In function 'p': actual_array_constructor_1.f90:20:0: internal compiler error: Maximum number of LRA constraint passes is achieved (15) end subroutine ^ 0x95f97e lra_constraints(bool) /mnt/svn/gcc-trunk/gcc/lra-constraints.c:3284 0x94ec3c lra(_IO_FILE*) /mnt/svn/gcc-trunk/gcc/lra.c:2274 0x906456 do_reload /mnt/svn/gcc-trunk/gcc/ira.c:4624 0x906456 rest_of_handle_reload /mnt/svn/gcc-trunk/gcc/ira.c:4737 Please submit a full bug report, with preprocessed source if appropriate. Please include the complete backtrace with any bug report. See http://gcc.gnu.org/bugs.html for instructions. Tested revisions: r193495 - crash
[Bug tree-optimization/55329] [4.8 Regression] ICE: internal compiler error: in operator[], at vec.h:487 with -O -fno-guess-branch-probability -fnon-call-exceptions --param=early-inlining-insns=111
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=55329 Dominique d'Humieres dominiq at lps dot ens.fr changed: What|Removed |Added Status|UNCONFIRMED |NEW Last reconfirmed||2012-11-14 Ever Confirmed|0 |1 --- Comment #1 from Dominique d'Humieres dominiq at lps dot ens.fr 2012-11-14 21:22:02 UTC --- Confirmed: revision 192891 (2012-10-28) is OK; revision 193261 (2012-11-06) gives the ICE.
[Bug rtl-optimization/55330] [4.8 Regression] ICE: Maximum number of LRA constraint passes is achieved (15) on gfortran.dg/actual_array_constructor_1.f90
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=55330 --- Comment #1 from Dominique d'Humieres dominiq at lps dot ens.fr 2012-11-14 21:43:28 UTC --- I don't see it on x86_64-apple-darwin10 (revisions 193495+patches and 193329).
[Bug c++/55325] [4.8 Regression]: g++.dg/cpp0x/constexpr-complex.C excess errors
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=55325
--- Comment #6 from Ed Smith-Rowland 3dw4rd at verizon dot net 2012-11-14
21:52:14 UTC ---
(In reply to comment #4)
Invoke with gnu++0x:
// { dg-options -std=gnu++0x }
Invoke with new flag:
// { dg-options -std=c++0x -fext-numeric-literals }
I'll look at the other fails.
Similarly for template23.C. We'll just set the correct flag in the testcase.
I'm still looking at the errors in comment 3.
[Bug middle-end/55331] New: [4.6/4.7/4.8 Regression] ICE: SIGSEGV in substitute_and_fold with -O2 -fno-tree-fre
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=55331 Bug #: 55331 Summary: [4.6/4.7/4.8 Regression] ICE: SIGSEGV in substitute_and_fold with -O2 -fno-tree-fre Classification: Unclassified Product: gcc Version: 4.8.0 Status: UNCONFIRMED Severity: normal Priority: P3 Component: middle-end AssignedTo: unassig...@gcc.gnu.org ReportedBy: zso...@seznam.cz Created attachment 28691 -- http://gcc.gnu.org/bugzilla/attachment.cgi?id=28691 autoreduced testcase Compiler output: $ gcc -O2 -fno-tree-fre testcase-min7.ii -wrapper valgrind,-q,--num-callers=40,--track-origins=yes -w ==4620== Invalid read of size 1 ==4620==at 0xCEBDBD: substitute_and_fold(tree_node* (*)(tree_node*), bool (*)(gimple_stmt_iterator*), bool) (gimple.h:1146) ==4620==by 0xC857C2: execute_copy_prop() (tree-ssa-copy.c:772) ==4620==by 0xADBB7A: execute_one_pass(opt_pass*) (passes.c:2339) ==4620==by 0xADBF94: execute_pass_list(opt_pass*) (passes.c:2400) ==4620==by 0xADBFA6: execute_pass_list(opt_pass*) (passes.c:2401) ==4620==by 0xADBFA6: execute_pass_list(opt_pass*) (passes.c:2401) ==4620==by 0x85E4F1: expand_function(cgraph_node*) (cgraphunit.c:1643) ==4620==by 0x8602A6: compile() (cgraphunit.c:1747) ==4620==by 0x860949: finalize_compilation_unit() (cgraphunit.c:2122) ==4620==by 0x67717E: cp_write_global_declarations() (decl2.c:4287) ==4620==by 0xBC527C: compile_file() (toplev.c:559) ==4620==by 0xBC7139: toplev_main(int, char**) (toplev.c:1881) ==4620==by 0x5A364BC: (below main) (in /lib64/libc-2.15.so) ==4620== Address 0x0 is not stack'd, malloc'd or (recently) free'd ==4620== testcase-min7.ii: In function 'void test01()': testcase-min7.ii:253:1: internal compiler error: Segmentation fault test01 () ^ Please submit a full bug report, with preprocessed source if appropriate. See http://gcc.gnu.org/bugs.html for instructions. Tested revisions: r193495 - crash 4.7 r191640 - crash 4.6 r191640 - crash 4.5 r191640 - OK
[Bug bootstrap/55289] darwin bootstrap fails due to missing libsanitizer/interception/mach_override directory and files
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=55289 --- Comment #34 from Jack Howarth howarth at nitro dot med.uc.edu 2012-11-14 22:09:37 UTC --- (In reply to comment #32) Just want to repeat, that any work on mach_override may end up being wasted time because we plan to get rid of mach_override *really* soon. One other question. Will the replacement of mach_override also depend on the Core Foundation framework?
[Bug middle-end/55331] [4.6/4.7/4.8 Regression] ICE: SIGSEGV in substitute_and_fold with -O2 -fno-tree-fre
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=55331 Dominique d'Humieres dominiq at lps dot ens.fr changed: What|Removed |Added Status|UNCONFIRMED |NEW Last reconfirmed||2012-11-14 Ever Confirmed|0 |1 --- Comment #1 from Dominique d'Humieres dominiq at lps dot ens.fr 2012-11-14 22:16:00 UTC --- Confirmed: 4.6.0 2011-01-20 revision 169049 is OK 4.7.0 2011-04-14 revision 172429 gives an ICE.
[Bug c++/55325] [4.8 Regression]: g++.dg/cpp0x/constexpr-complex.C excess errors
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=55325 --- Comment #7 from Ed Smith-Rowland 3dw4rd at verizon dot net 2012-11-14 22:18:09 UTC --- (In reply to comment #3) (In reply to comment #1) I also see failing g++.dg/parse/template23.C and for this one too the problem seems related to the recent changes for PR54413. Right, thanks, I was just about to analyze that one. Speaking of that commit, some of the new tests fail for me: FAIL: g++.dg/cpp0x/gnu_fext-numeric-literals.C (test for excess errors) FAIL: g++.dg/cpp0x/std_fext-numeric-literals.C (test for excess errors) and in g++.log: Excess errors: /tmp/hpautotest-gcc1/gcc/gcc/testsuite/g++.dg/cpp0x/gnu_fext-numeric-literals.C:94:3: ... maybe related, maybe material for a new PR. I'm not getting this on x86_64-linux at least. What target are you on? Ed
[Bug target/53346] [4.6/4.7/4.8 Regression] Bad vectorization in the proc cptrf2 of rnflow.f90
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=53346 Jan Hubicka hubicka at gcc dot gnu.org changed: What|Removed |Added CC||hubicka at gcc dot gnu.org --- Comment #21 from Jan Hubicka hubicka at gcc dot gnu.org 2012-11-14 22:18:53 UTC --- Well, as I wrote to the other PR, the main problem of cmov is extension of dependency chain. For well predicted sequence with conditional jump there is no update of rbs so the loop executes faster, because the loads/stores/comparisons executes in parallel. The load in the next iteration can then happen speculatively before the condition from previous iteration is resolved. With cmov in it, there is dependence on rbx for all the other computations in the loop. I guess there is no localy available information suggesting suggesting that the particular branch is well predictable, at least without profile feedback (where we won't disable the conversion anyway). I wonder 1) why the conversion to cmov do not happen on RTL if conversion pass 2) whether we can do something to detect similar patterns and possibly disable cmovs on them...
[Bug c++/55325] [4.8 Regression]: g++.dg/cpp0x/constexpr-complex.C excess errors
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=55325 --- Comment #8 from Paolo Carlini paolo.carlini at oracle dot com 2012-11-14 22:28:19 UTC --- The latter seems indeed a target issue, as you can read here Hans-Peter reported it for cris-elf, but have a look to the testresults mailing list to double check. Personally, I would recommend applying asap the (obvious, IMHO) fixes for the first two regression to remove noise from the results of, eg, people testing on Linux.
[Bug c++/55325] [4.8 Regression]: g++.dg/cpp0x/constexpr-complex.C excess errors
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=55325 --- Comment #9 from Paolo Carlini paolo.carlini at oracle dot com 2012-11-14 22:30:51 UTC --- In fact, however, a Linux target like s390x is also affected: http://gcc.gnu.org/ml/gcc-testresults/2012-11/msg01187.html
[Bug target/53346] [4.6/4.7/4.8 Regression] Bad vectorization in the proc cptrf2 of rnflow.f90
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=53346
--- Comment #22 from Jan Hubicka hubicka at gcc dot gnu.org 2012-11-14
22:38:19 UTC ---
OK, similar loop in C looks like:
float a[1];
float b[1];
t()
{
int mi = 0,i;
for (i=0;i1000;i++)
if (a[i]b[i])
mi = i;
return mi;
}
and the why we do not ifconvert at RTl level is that the condition is UNLE that
do not pass unordered_comparsion_operator. This was noticed by Jakub in other
PR, we do not really need to test unorderedness here since expander knows how
to handle it. So this was more by chance than by design. I am testing
Index: config/i386/i386.md
===
--- config/i386/i386.md (revision 193503)
+++ config/i386/i386.md (working copy)
@@ -964,7 +964,7 @@
(compare:CC (match_operand:SDWIM 1 nonimmediate_operand)
(match_operand:SDWIM 2 general_operand)))
(set (pc) (if_then_else
- (match_operator 0 ordered_comparison_operator
+ (match_operator 0 comparison_operator
[(reg:CC FLAGS_REG) (const_int 0)])
(label_ref (match_operand 3))
(pc)))]
@@ -982,7 +982,7 @@
(compare:CC (match_operand:SWIM 2 nonimmediate_operand)
(match_operand:SWIM 3 general_operand)))
(set (match_operand:QI 0 register_operand)
- (match_operator 1 ordered_comparison_operator
+ (match_operator 1 comparison_operator
[(reg:CC FLAGS_REG) (const_int 0)]))]
{
@@ -16120,7 +16120,7 @@
(define_expand movmodecc
[(set (match_operand:SWIM 0 register_operand)
- (if_then_else:SWIM (match_operand 1 ordered_comparison_operator)
+ (if_then_else:SWIM (match_operand 1 comparison_operator)
(match_operand:SWIM 2 general_operand)
(match_operand:SWIM 3 general_operand)))]
[Bug c++/55325] [4.8 Regression]: g++.dg/cpp0x/constexpr-complex.C excess errors
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=55325 --- Comment #10 from Uros Bizjak ubizjak at gmail dot com 2012-11-14 22:42:45 UTC --- (In reply to comment #7) Right, thanks, I was just about to analyze that one. Speaking of that commit, some of the new tests fail for me: FAIL: g++.dg/cpp0x/gnu_fext-numeric-literals.C (test for excess errors) FAIL: g++.dg/cpp0x/std_fext-numeric-literals.C (test for excess errors) and in g++.log: Excess errors: /tmp/hpautotest-gcc1/gcc/gcc/testsuite/g++.dg/cpp0x/gnu_fext-numeric-literals.C:94:3: ... maybe related, maybe material for a new PR. I'm not getting this on x86_64-linux at least. What target are you on? Probably due to the fact that x86_64 defines TARGET_C_MODE_FOR_SUFFIX that declares support for non-standard 'q' and 'w' suffixes. There is a small group of targets that declare this define: config/aarch64/aarch64.c:#undef TARGET_C_MODE_FOR_SUFFIX config/aarch64/aarch64.c:#define TARGET_C_MODE_FOR_SUFFIX aarch64_c_mode_for_suffix config/ia64/ia64.c:#undef TARGET_C_MODE_FOR_SUFFIX config/ia64/ia64.c:#define TARGET_C_MODE_FOR_SUFFIX ia64_c_mode_for_suffix config/i386/i386.c.orig:#undef TARGET_C_MODE_FOR_SUFFIX config/i386/i386.c.orig:#define TARGET_C_MODE_FOR_SUFFIX ix86_c_mode_for_suffix config/i386/i386.c:#undef TARGET_C_MODE_FOR_SUFFIX config/i386/i386.c:#define TARGET_C_MODE_FOR_SUFFIX ix86_c_mode_for_suffix config/pa/pa.c:#undef TARGET_C_MODE_FOR_SUFFIX config/pa/pa.c:#define TARGET_C_MODE_FOR_SUFFIX pa_c_mode_for_suffix Others are out of luck with 'q' and 'w' suffixes.
[Bug bootstrap/55051] [4.8 Regression] profiledbootstrap failed
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=55051 --- Comment #9 from Jan Hubicka hubicka at gcc dot gnu.org 2012-11-14 23:03:27 UTC --- Author: hubicka Date: Wed Nov 14 23:03:22 2012 New Revision: 193512 URL: http://gcc.gnu.org/viewcvs?root=gccview=revrev=193512 Log: PR bootstrap/55051 * ipa-inline.c (edge_badness): Improve dumping; fix overflow. Modified: trunk/gcc/ChangeLog trunk/gcc/ipa-inline.c
[Bug libstdc++/53841] [C++11] condition_variable::wait_until() fails with high resolution clocks
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=53841 Richard Smith richard-gccbugzilla at metafoo dot co.uk changed: What|Removed |Added CC||richard-gccbugzilla at ||metafoo dot co.uk --- Comment #3 from Richard Smith richard-gccbugzilla at metafoo dot co.uk 2012-11-14 23:06:07 UTC --- This code has more problems with duration conversions: // DR 887 - Sync unknown clock to known clock. const typename _Clock::time_point __c_entry = _Clock::now(); const __clock_t::time_point __s_entry = __clock_t::now(); const chrono::nanoseconds __delta = __atime - __c_entry; const __clock_t::time_point __s_atime = __s_entry + __delta; The last line attempts to implicitly convert from time_point[...], nanoseconds to system_clock::time_point, which may be in microseconds or even in seconds. Suggested fix: -const chrono::nanoseconds __delta = __atime - __c_entry; -const __clock_t::time_point __s_atime = __s_entry + __delta; +const auto __delta = __atime - __c_entry; +const auto __s_atime = __s_entry + __delta; Clang trunk currently rejects this code (prior to instantiation, even) due to this invalid conversion if _GLIBCXX_USE_CLOCK_REALTIME is not defined (as seems to be the case on several popular linux distributions).
[Bug bootstrap/55289] darwin bootstrap fails due to missing libsanitizer/interception/mach_override directory and files
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=55289 --- Comment #35 from Konstantin Serebryany konstantin.s.serebryany at gmail dot com 2012-11-14 23:10:00 UTC --- Is that certain to be soon enough Not 100%. I am just warning you. Will the replacement of mach_override also depend on the Core Foundation framework? That's the question to Alex.
[Bug libstdc++/53841] [C++11] condition_variable::wait_until() fails with high resolution clocks
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=53841 Jonathan Wakely redi at gcc dot gnu.org changed: What|Removed |Added Status|UNCONFIRMED |NEW Last reconfirmed||2012-11-14 Ever Confirmed|0 |1 --- Comment #4 from Jonathan Wakely redi at gcc dot gnu.org 2012-11-14 23:14:22 UTC --- (In reply to comment #3) -const chrono::nanoseconds __delta = __atime - __c_entry; -const __clock_t::time_point __s_atime = __s_entry + __delta; +const auto __delta = __atime - __c_entry; +const auto __s_atime = __s_entry + __delta; Thanks for this. Clang trunk currently rejects this code (prior to instantiation, even) due to this invalid conversion if _GLIBCXX_USE_CLOCK_REALTIME is not defined (as seems to be the case on several popular linux distributions). That's not defined on GNU/Linux unless you build GCC with --enable-libstdcxx-time=rt, which has performance implications.
[Bug fortran/48636] Enable more inlining with -O2 and higher
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=48636 --- Comment #39 from Jan Hubicka hubicka at gcc dot gnu.org 2012-11-14 23:22:40 UTC --- Hmm, indeed. Good catch. I will look into it.
[Bug libstdc++/55320] Invalid delete with throwing copy-c'tor passed to std::function
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=55320 --- Comment #5 from Jonathan Wakely redi at gcc dot gnu.org 2012-11-14 23:33:08 UTC --- Author: redi Date: Wed Nov 14 23:33:01 2012 New Revision: 193514 URL: http://gcc.gnu.org/viewcvs?root=gccview=revrev=193514 Log: PR libstdc++/55320 * include/std/functional (function::function(F)): Set _M_manager after operations that could throw. (_Function_base::_Ref_manager::_M_init_functor): Use addressof. * include/tr1/functional (_Function_base::_Ref_manager::_M_init_functor): Use addressof. (_Function_base::_Base_manager::_M_get_pointer): Likewise. * testsuite/20_util/function/cons/55320.cc: New. * testsuite/20_util/function/cons/addressof.cc: New. * testsuite/20_util/function/cons/callable.cc: Remove header. * testsuite/20_util/bind/ref_neg.cc: Adjust dg-error line numbers. * testsuite/tr1/3_function_objects/function/10.cc: New. Added: trunk/libstdc++-v3/testsuite/20_util/function/cons/55320.cc - copied, changed from r193513, trunk/libstdc++-v3/testsuite/20_util/function/cons/callable.cc trunk/libstdc++-v3/testsuite/20_util/function/cons/addressof.cc - copied, changed from r193513, trunk/libstdc++-v3/testsuite/20_util/function/cons/callable.cc trunk/libstdc++-v3/testsuite/tr1/3_function_objects/function/10.cc - copied, changed from r193513, trunk/libstdc++-v3/testsuite/20_util/function/cons/callable.cc Modified: trunk/libstdc++-v3/ChangeLog trunk/libstdc++-v3/include/std/functional trunk/libstdc++-v3/include/tr1/functional trunk/libstdc++-v3/testsuite/20_util/bind/ref_neg.cc trunk/libstdc++-v3/testsuite/20_util/function/cons/callable.cc
[Bug target/55332] New: [4.8 Regression] libsanitizer breaks build on hpux
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=55332 Bug #: 55332 Summary: [4.8 Regression] libsanitizer breaks build on hpux Classification: Unclassified Product: gcc Version: 4.8.0 Status: UNCONFIRMED Severity: normal Priority: P3 Component: target AssignedTo: unassig...@gcc.gnu.org ReportedBy: dang...@gcc.gnu.org Host: hppa64-hp-hpux11.11 Target: hppa64-hp-hpux11.11 Build: hppa64-hp-hpux11.11 libtool: compile: /test/gnu/gcc/objdir/./gcc/g++ -B/test/gnu/gcc/objdir/./gcc/ -nostdinc++ -nostdinc++ -I/test/gnu/gcc/objdir/hppa64-hp-hpux11.11/libstdc++-v3/ include/hppa64-hp-hpux11.11 -I/test/gnu/gcc/objdir/hppa64-hp-hpux11.11/libstdc++ -v3/include -I/test/gnu/gcc/gcc/libstdc++-v3/libsupc++ -I/test/gnu/gcc/gcc/libstdc++-v3/include/backward -I/test/gnu/gcc/gcc/libstdc++-v3/testsuite/util -L/test /gnu/gcc/objdir/hppa64-hp-hpux11.11/libstdc++-v3/src -L/test/gnu/gcc/objdir/hppa 64-hp-hpux11.11/libstdc++-v3/src/.libs -B/opt/gnu64/gcc/gcc-4.8/hppa64-hp-hpux11 .11/bin/ -B/opt/gnu64/gcc/gcc-4.8/hppa64-hp-hpux11.11/lib/ -isystem /opt/gnu64/gcc/gcc-4.8/hppa64-hp-hpux11.11/include -isystem /opt/gnu64/gcc/gcc-4.8/hppa64-hp -hpux11.11/sys-include -D_GNU_SOURCE -D_DEBUG -D__STDC_CONSTANT_MACROS -D__STDC_ FORMAT_MACROS -D__STDC_LIMIT_MACROS -DASAN_HAS_EXCEPTIONS=1 -DASAN_FLEXIBLE_MAPP ING_AND_OFFSET=0 -DASAN_NEEDS_SEGV=1 -I. -I../../../../gcc/libsanitizer/asan -I ../../../../gcc/libsanitizer/include -I ../../../../gcc/libsanitizer -Wall -W -W no-unused-parameter -Wwrite-strings -pedantic -Wno-long-long -fPIC -fno-builtin -fno-exceptions -fomit-frame-pointer -funwind-tables -fvisibility=hidden -Wno-variadic-macros -Wno-c99-extensions -g -O2 -MT asan_allocator.lo -MD -MP -MF .deps /asan_allocator.Tpo -c ../../../../gcc/libsanitizer/asan/asan_allocator.cc -DPI C -o .libs/asan_allocator.oIn file included from ../../../../gcc/libsanitizer/asan/asan_allocator.h:16:0, from ../../../../gcc/libsanitizer/asan/asan_allocator.cc:26: ../../../../gcc/libsanitizer/asan/asan_internal.h:22:3: error: #error This oper ating system is not supported by AddressSanitizer # error This operating system is not supported by AddressSanitizer There doesn't seem any way to disable libsanitizer. Whether it can be supported is TBD.
[Bug debug/55328] ICE: in output_addr_table_entry, at dwarf2out.c:21780 with -gsplit-dwarf
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=55328 --- Comment #1 from sterling at gcc dot gnu.org 2012-11-14 23:36:54 UTC --- Author: sterling Date: Wed Nov 14 23:36:50 2012 New Revision: 193515 URL: http://gcc.gnu.org/viewcvs?root=gccview=revrev=193515 Log: 2012-11-14 Sterling Augustine saugust...@google.com PR debug/55328 * dwarf2out.c (index_address_table_entry): Check a node's refcount. Modified: trunk/gcc/ChangeLog trunk/gcc/dwarf2out.c
[Bug bootstrap/55289] darwin bootstrap fails due to missing libsanitizer/interception/mach_override directory and files
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=55289 --- Comment #36 from Dominique d'Humieres dominiq at lps dot ens.fr 2012-11-14 23:49:25 UTC --- Jack, Could you please post a patch with the regenerated files. I have lost my struggle with the auto* versions and I am giving up. TIA
Re: [Bug fortran/48636] Enable more inlining with -O2 and higher
mgrid do not seem to be sensitive to --param min-inline-speedup, so it seems independent regression of this change. No idea what goes wrong. Honza
[Bug fortran/48636] Enable more inlining with -O2 and higher
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=48636 --- Comment #40 from Jan Hubicka hubicka at ucw dot cz 2012-11-14 23:54:44 UTC --- mgrid do not seem to be sensitive to --param min-inline-speedup, so it seems independent regression of this change. No idea what goes wrong. Honza
