[Bug c++/69564] [5/6 Regression] lto and/or C++ make scimark2 LU slower

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69564 Jeffrey A. Law changed: What|Removed |Added CC||law at redhat dot com --- Comment #26

[Bug target/70490] __atomic_load_n(const __int128 *, ...) generates CMPXCHG16B with no warning

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=70490 Martin Sebor changed: What|Removed |Added CC||msebor at gcc dot gnu.org --- Comment #2

[Bug c++/70492] Libiberty Demangler segfaults (2)

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=70492 --- Comment #1 from Marcel Böhme --- This error was found during fuzzing with a more efficient version of AFL. Patch and reviews available here: https://gcc.gnu.org/ml/gcc-patches/2016-04/msg0.html

[Bug c++/70492] New: Libiberty Demangler segfaults (2)

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=70492 Bug ID: 70492 Summary: Libiberty Demangler segfaults (2) Product: gcc Version: unknown Status: UNCONFIRMED Severity: normal Priority: P3 Component: c++

[Bug c++/70491] slow compilation initializing a VLA

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=70491 Martin Sebor changed: What|Removed |Added Keywords||compile-time-hog Blocks|

[Bug c++/70491] New: slow compilation initializing a VLA

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=70491 Bug ID: 70491 Summary: slow compilation initializing a VLA Product: gcc Version: 6.0 Status: UNCONFIRMED Severity: normal Priority: P3 Component: c++

[Bug target/70490] __atomic_load_n(const __int128 *, ...) generates CMPXCHG16B with no warning

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=70490 Andrew Pinski changed: What|Removed |Added Component|c |target --- Comment #1 from Andrew

[Bug c/70490] New: __atomic_load_n(const __int128 *, ...) generates CMPXCHG16B with no warning

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=70490 Bug ID: 70490 Summary: __atomic_load_n(const __int128 *, ...) generates CMPXCHG16B with no warning Product: gcc Version: 5.2.1 Status: UNCONFIRMED Severity:

[Bug rtl-optimization/59393] [4.9/5/6 regression] mips16 code size

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=59393 Jeffrey A. Law changed: What|Removed |Added CC||law at redhat dot com --- Comment #7

[Bug fortran/68566] ICE on using unusable array in reshape (double free or corruption)

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=68566 --- Comment #9 from Jerry DeLisle --- The following additional patchlet does the trick. Still need to regression test. diff --git a/gcc/fortran/array.c b/gcc/fortran/array.c index 2fc9dfaf..8fef30ce 100644 --- a/gcc/fortran/array.c +++

[Bug c/70250] Compilation hangs without optimization.

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=70250 --- Comment #2 from brijesh singh --- gcc -v Using built-in specs. COLLECT_GCC=gcc COLLECT_LTO_WRAPPER=/usr/lib/gcc/x86_64-linux-gnu/4.9/lto-wrapper Target: x86_64-linux-gnu Configured with: ../src/configure -v --with-pkgversion='Ubuntu

[Bug c++/70489] New: ICE in cxx_eval_increment_expression initializing a VLA in a constexpr function

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=70489 Bug ID: 70489 Summary: ICE in cxx_eval_increment_expression initializing a VLA in a constexpr function Product: gcc Version: 6.0 Status: UNCONFIRMED Severity:

[Bug c/70436] [4.9/5/6 Regression] -Wparentheses missing ambiguous else warning

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=70436 --- Comment #12 from Jakub Jelinek --- They should be. if (x) #pragma omp for for (...) if (y) ... else ... and #pragma omp simd and #pragma omp taskloop too. For C++, perhaps we could just pass around if_p argument to a few more

[Bug c++/70488] New: ICE in tree.c:7345 triggered by warning of placement new too small

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=70488 Bug ID: 70488 Summary: ICE in tree.c:7345 triggered by warning of placement new too small Product: gcc Version: unknown Status: UNCONFIRMED Severity: normal

[Bug c++/70393] [5/6 Regression] Miscompilation: missing constructor call for static object

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=70393 --- Comment #11 from Nathan Sidwell --- Applied to gcc-5 branch r234653.

[Bug target/70465] [4.9/5/6/7 Regression] Poor code for x87 asm

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=70465 Vladimir Makarov changed: What|Removed |Added CC||vmakarov at gcc dot gnu.org ---

[Bug c++/70393] [5/6 Regression] Miscompilation: missing constructor call for static object

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=70393 --- Comment #10 from Nathan Sidwell --- Author: nathan Date: Thu Mar 31 20:51:20 2016 New Revision: 234653 URL: https://gcc.gnu.org/viewcvs?rev=234653=gcc=rev Log: PR c++/70393 * varasm.c (output_constructor_regular_field):

[Bug fortran/68566] ICE on using unusable array in reshape (double free or corruption)

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=68566 Jerry DeLisle changed: What|Removed |Added CC||jvdelisle at gcc dot gnu.org ---

[Bug c++/70487] New: warn_unused_result attribute doesn't warn when return type is class

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=70487 Bug ID: 70487 Summary: warn_unused_result attribute doesn't warn when return type is class Product: gcc Version: 4.8.4 Status: UNCONFIRMED Severity: normal

[Bug c++/70486] New: Constexpr array captured in lambda function (used via std::function)

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=70486 Bug ID: 70486 Summary: Constexpr array captured in lambda function (used via std::function) Product: gcc Version: 5.1.0 Status: UNCONFIRMED Severity: normal

[Bug c/70485] New: Duplicate typedef results in missing debug info

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=70485 Bug ID: 70485 Summary: Duplicate typedef results in missing debug info Product: gcc Version: 4.8.4 Status: UNCONFIRMED Severity: normal Priority: P3 Component:

[Bug c++/70248] constexpr initialization with unspecified equality expression accepted

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=70248 --- Comment #1 from Martin Sebor --- Below is a test case (derived from a test discussed in the context of another bug: https://gcc.gnu.org/ml/gcc-patches/2016-03/msg01644.html) for another example of a constexpr function whose use in a

[Bug rtl-optimization/70478] [LRA] S/390: Performance regression - superfluous stack frame

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=70478 --- Comment #2 from Vladimir Makarov --- The difference I see is that LRA chooses alternative "Q,0,Q" and reload chooses "d,0,R". For the "Q,O,Q" LRA reports: 2 Spill pseudo into memory: reject+=3

[Bug c++/70403] A null pointer check removed with -O2 even with -fno-delete-null-pointer-checks

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=70403 --- Comment #9 from Hadula, Tomasz --- Created attachment 38148 --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=38148=edit Reduced testcase I reduced the size of the testcase

[Bug c++/65923] False positive for warning about literal operator suffix and using

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=65923 Richard Geary changed: What|Removed |Added CC||richardg.work at gmail dot com ---

[Bug c++/70462] Unnecessary "base object constructor" for final classes

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=70462 --- Comment #3 from Jörg Richter --- Well, my real problem is related to coverage analysis. Function coverage will show the base object constructor as not called. But my concrete test case is more complex and involves

[Bug c/70436] [4.9/5/6 Regression] -Wparentheses missing ambiguous else warning

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=70436 --- Comment #11 from Patrick Palka --- Should non-standard constructs be considered in this PR? I noticed that we also don't warn on if (a) #pragma GCC ivdep while (1) if (b) bar (); else baz (); and if (a)

[Bug rtl-optimization/70461] [6 Regression] Performance regression after r234527

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=70461 Jeffrey A. Law changed: What|Removed |Added Status|NEW |RESOLVED CC|

[Bug tree-optimization/70484] New: Wrong optimization with aliasing and access via char

id *malloc (__SIZE_TYPE__); extern void abort (void); int main() { void *volatile p = malloc(sizeof(long)); int *pi = p; long *pl = p; *pi = 1; *pl = 0; if (*(char *)pi != 0) abort(); } -- Tested on gcc 6.0.

[Bug rtl-optimization/70461] [6 Regression] Performance regression after r234527

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=70461 --- Comment #3 from Vladimir Makarov --- Author: vmakarov Date: Thu Mar 31 17:51:13 2016 New Revision: 234649 URL: https://gcc.gnu.org/viewcvs?rev=234649=gcc=rev Log: 2016-03-31 Vladimir Makarov PR

[Bug target/70465] [4.9/5/6/7 Regression] Poor code for x87 asm

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=70465 --- Comment #5 from Uroš Bizjak --- (In reply to Jeffrey A. Law from comment #4) > No objections to deferring this to gcc-7. Not surprisingly, my response > when this issue was raised on Red Hat's internal IRC was the same -- nobody > cares

[Bug hsa/70399] HSA: Wrong emission of st_align(4)_u8 HSAIL insn

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=70399 Martin Liška changed: What|Removed |Added Status|UNCONFIRMED |RESOLVED Resolution|---

[Bug hsa/70391] HSA back-end produces wrong alignment load/store instructions

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=70391 Martin Liška changed: What|Removed |Added Status|UNCONFIRMED |RESOLVED Resolution|---

[Bug hsa/70399] HSA: Wrong emission of st_align(4)_u8 HSAIL insn

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=70399 --- Comment #2 from Martin Liška --- Author: marxin Date: Thu Mar 31 17:28:29 2016 New Revision: 234647 URL: https://gcc.gnu.org/viewcvs?rev=234647=gcc=rev Log: Fix PR hsa/70399 PR hsa/70399 * hsa-brig.c

[Bug libstdc++/70483] New: string_view::compare and coparision operators are not constexpr

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=70483 Bug ID: 70483 Summary: string_view::compare and coparision operators are not constexpr Product: gcc Version: 5.3.0 Status: UNCONFIRMED Severity: normal

[Bug c++/67394] crash due to null pointer deref in demangle_signature()

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=67394 Jeffrey A. Law changed: What|Removed |Added Status|NEW |RESOLVED CC|

[Bug c++/70481] [Regression] Libiberty Demangler segfaults

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=70481 Jeffrey A. Law changed: What|Removed |Added CC||brian.carpenter at gmail dot com ---

[Bug c++/70481] [Regression] Libiberty Demangler segfaults

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=70481 Jeffrey A. Law changed: What|Removed |Added Status|UNCONFIRMED |RESOLVED CC|

[Bug hsa/70391] HSA back-end produces wrong alignment load/store instructions

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=70391 --- Comment #2 from Martin Liška --- Author: marxin Date: Thu Mar 31 17:10:48 2016 New Revision: 234644 URL: https://gcc.gnu.org/viewcvs?rev=234644=gcc=rev Log: HSA: handle alignment of string builtins (PR hsa/70391) PR hsa/70391

[Bug hsa/70391] HSA back-end produces wrong alignment load/store instructions

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=70391 --- Comment #1 from Martin Liška --- Author: marxin Date: Thu Mar 31 17:10:15 2016 New Revision: 234643 URL: https://gcc.gnu.org/viewcvs?rev=234643=gcc=rev Log: HSA: support alignment for hsa_symbols (PR hsa/70391) PR hsa/70391

[Bug target/69890] FAIL: gcc.target/i386/chkp-* on x86_64-apple-darwin15

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69890 --- Comment #8 from Dominique d'Humieres --- > Created attachment 38145 [details] > patch > > Attached patch seems to work OK on Linux and removes all string.h includes > from chkp-str* tests. I believe this should resolve all related issues >

[Bug target/62254] [4.9/5/6 Regression] gcc-4.9 ICEs on linux kernel zlib for armv3

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=62254 --- Comment #17 from Julien Margetts --- The following test case still fails with the patch applied (originally bug 70362) arm-none-eabi-gcc -march=armv3m -c -o c_compat_x_tst.o gcc/testsuite/gcc.dg/compat/scalar-by-value-4_x.c The assert in

[Bug target/70465] [4.9/5/6/7 Regression] Poor code for x87 asm

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=70465 --- Comment #4 from Jeffrey A. Law --- No objections to deferring this to gcc-7. Not surprisingly, my response when this issue was raised on Red Hat's internal IRC was the same -- nobody cares about x87 math anymore ;-) IMHO it's really just a

[Bug tree-optimization/70482] New: Opimization opportunity to vectorize basic block for -mavx target.

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=70482 Bug ID: 70482 Summary: Opimization opportunity to vectorize basic block for -mavx target. Product: gcc Version: 6.0 Status: UNCONFIRMED Severity: normal

[Bug target/70362] Segmentation fault compiling scalar-by-value-4_x.c for ARM arch < 4

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=70362 Julien Margetts changed: What|Removed |Added CC||nickc at gcc dot gnu.org --- Comment

[Bug c++/70393] [5/6 Regression] Miscompilation: missing constructor call for static object

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=70393 --- Comment #9 from Jonathan Wakely --- Should it be fixed on gcc-5-branch too?

[Bug rtl-optimization/70467] Useless "and [esp],-1" emitted on AND with uint64_t variable

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=70467 Jakub Jelinek changed: What|Removed |Added CC||uros at gcc dot gnu.org --- Comment #8

[Bug target/70442] [6 Regression] gcc ICE at -O2 and above on valid code on x86_64-linux-gnu in "extract_insn"

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=70442 Ilya Enkovich changed: What|Removed |Added Status|ASSIGNED|RESOLVED Resolution|---

[Bug target/70442] [6 Regression] gcc ICE at -O2 and above on valid code on x86_64-linux-gnu in "extract_insn"

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=70442 --- Comment #3 from Ilya Enkovich --- Author: ienkovich Date: Thu Mar 31 15:37:12 2016 New Revision: 234637 URL: https://gcc.gnu.org/viewcvs?rev=234637=gcc=rev Log: gcc/ PR target/70442 * config/i386/i386.c

[Bug c++/70481] [Regression] Libiberty Demangler segfaults

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=70481 --- Comment #2 from Marcel Böhme --- These are two distinct bugs. During fuzzing the btypevec bug appears more often. But it seemed less critical since only NULL is written to the freed memory: work -> btypevec[ret] = NULL; On the other hand,

[Bug c++/70393] [5/6 Regression] Miscompilation: missing constructor call for static object

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=70393 Nathan Sidwell changed: What|Removed |Added Status|ASSIGNED|RESOLVED Resolution|---

[Bug c++/70393] [5/6 Regression] Miscompilation: missing constructor call for static object

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=70393 --- Comment #7 from Nathan Sidwell --- Author: nathan Date: Thu Mar 31 15:30:33 2016 New Revision: 234636 URL: https://gcc.gnu.org/viewcvs?rev=234636=gcc=rev Log: PR c++/70393 * varasm.c (output_constructor_regular_field): Flush

[Bug target/70453] gcc generates invalid instruction vextractu64x4 (should be: vextracti64x4)

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=70453 --- Comment #7 from Kirill Yukhin --- Author: kyukhin Date: Thu Mar 31 15:25:33 2016 New Revision: 234635 URL: https://gcc.gnu.org/viewcvs?rev=234635=gcc=rev Log: Fix PR target/70453. gcc/ * config/i386/sse.md (define_mode_attr

[Bug target/70453] gcc generates invalid instruction vextractu64x4 (should be: vextracti64x4)

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=70453 --- Comment #6 from Kirill Yukhin --- Author: kyukhin Date: Thu Mar 31 15:23:29 2016 New Revision: 234634 URL: https://gcc.gnu.org/viewcvs?rev=234634=gcc=rev Log: Fix PR target/70453. gcc/ * config/i386/sse.md (define_mode_attr

[Bug target/70404] pr70174.c fails on s390x

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=70404 Andreas Krebbel changed: What|Removed |Added Attachment #38142|0 |1 is obsolete|

[Bug libstdc++/54075] [4.7.1] unordered_map insert still slower than 4.6.2

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=54075 --- Comment #49 from Akim Demaille --- It looks like this story is missing an end.

[Bug libstdc++/54075] [4.7.1] unordered_map insert still slower than 4.6.2

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=54075 Akim Demaille changed: What|Removed |Added CC||akim.demaille at gmail dot com ---

[Bug target/64411] ICE: in verify_target_availability, at sel-sched.c:1577 with -Os -mcmodel=medium -fPIC -fschedule-insns -fselective-scheduling

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=64411 Andrey Belevantsev changed: What|Removed |Added Status|ASSIGNED|RESOLVED Resolution|---

[Bug c++/70481] [Regression] Libiberty Demangler segfaults

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=70481 Mikhail Maltsev changed: What|Removed |Added CC||miyuki at gcc dot gnu.org --- Comment

[Bug target/70362] Segmentation fault compiling scalar-by-value-4_x.c for ARM arch < 4

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=70362 --- Comment #6 from Ramana Radhakrishnan --- Fails at O0 in this case, I cannot type. I still think this is a tail from PR62254 and that should just be reopened.

[Bug rtl-optimization/69307] [4.9/5 Regression] wrong code with -O2 -fselective-scheduling @ armv7a

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69307 --- Comment #10 from Andrey Belevantsev --- Author: abel Date: Thu Mar 31 14:50:57 2016 New Revision: 234629 URL: https://gcc.gnu.org/viewcvs?rev=234629=gcc=rev Log: Backport from mainline 2016-03-12 Andrey Belevantsev

[Bug rtl-optimization/69032] [5 Regression] ICE: in cfg_preds_1, at sel-sched-ir.c:4809 with -fsched-pressure -fsel-sched-pipelining -fselective-scheduling

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69032 Andrey Belevantsev changed: What|Removed |Added Status|ASSIGNED|RESOLVED Resolution|---

[Bug c++/70476] C++11: Function name declared in unnamed namespace extern "C" gets exernal linkage

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=70476 --- Comment #1 from Jonathan Wakely --- I haven't checked for other relevant rules in the standard, but Clang and EDG give the same result as G++.

[Bug target/70362] Segmentation fault compiling scalar-by-value-4_x.c for ARM arch < 4

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=70362 --- Comment #5 from Julien Margetts --- Yes, I applied both patches, and the test failure is still present, but on closer inspection, it is no longer a segfault, but an internal compiler error: The new assertion in the patch is firing:

[Bug target/70292] ICE in verify_target_availability, at sel-sched.c:1584 with -fno-inline -fno-dce -fschedule-insns -fselective-scheduling -fno-tree-dce -O1

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=70292 --- Comment #2 from Andrey Belevantsev --- Author: abel Date: Thu Mar 31 14:37:08 2016 New Revision: 234627 URL: https://gcc.gnu.org/viewcvs?rev=234627=gcc=rev Log: PR target/70292 * gcc.c-torture/pr70292.c: New test. Added:

[Bug target/70292] ICE in verify_target_availability, at sel-sched.c:1584 with -fno-inline -fno-dce -fschedule-insns -fselective-scheduling -fno-tree-dce -O1

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=70292 Andrey Belevantsev changed: What|Removed |Added Status|ASSIGNED|RESOLVED Resolution|---

[Bug target/64411] ICE: in verify_target_availability, at sel-sched.c:1577 with -Os -mcmodel=medium -fPIC -fschedule-insns -fselective-scheduling

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=64411 Andrey Belevantsev changed: What|Removed |Added CC||tarasevich at cs dot uni-saarland.

[Bug c++/70481] New: [Regression] Libiberty Demangler segfaults

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=70481 Bug ID: 70481 Summary: [Regression] Libiberty Demangler segfaults Product: gcc Version: unknown Status: UNCONFIRMED Severity: normal Priority: P3 Component: c++

[Bug c/70297] [5 Regression] GCC Segfaults when using -g3

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=70297 Marek Polacek changed: What|Removed |Added Summary|[5/6 Regression] GCC|[5 Regression] GCC

[Bug c/70297] [5/6 Regression] GCC Segfaults when using -g3

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=70297 --- Comment #10 from Marek Polacek --- Author: mpolacek Date: Thu Mar 31 14:29:15 2016 New Revision: 234626 URL: https://gcc.gnu.org/viewcvs?rev=234626=gcc=rev Log: PR c/70297 * c-decl.c (merge_decls): Also set TYPE_ALIGN and

[Bug target/70362] Segmentation fault compiling scalar-by-value-4_x.c for ARM arch < 4

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=70362 --- Comment #4 from Ramana Radhakrishnan --- (In reply to Julien Margetts from comment #3) > Are you suggesting you confirmed the patch associated with bug 62254 fixes > this issue? > > As far as I can tell, in isolation at least, it does not >

[Bug c++/70480] New: Reduce RTTI code bloat for specified types

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=70480 Bug ID: 70480 Summary: Reduce RTTI code bloat for specified types Product: gcc Version: unknown Status: UNCONFIRMED Severity: enhancement Priority: P3

[Bug target/62254] [4.9/5/6 Regression] gcc-4.9 ICEs on linux kernel zlib for armv3

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=62254 --- Comment #16 from Ramana Radhakrishnan --- (In reply to Nick Clifton from comment #13) > Patch applied. https://gcc.gnu.org/ml/gcc-cvs/2016-03/msg00740.html - just in case someone wants a link to it.

[Bug rtl-optimization/69102] [4.9/5 Regression] ICE: in move_op_ascend, at sel-sched.c:6138 with -fselective-scheduling2

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69102 --- Comment #7 from Andrey Belevantsev --- Author: abel Date: Thu Mar 31 14:16:18 2016 New Revision: 234625 URL: https://gcc.gnu.org/viewcvs?rev=234625=gcc=rev Log: Backport from mainline 2016-03-21 Andrey Belevantsev

[Bug target/70362] Segmentation fault compiling scalar-by-value-4_x.c for ARM arch < 4

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=70362 --- Comment #3 from Julien Margetts --- Are you suggesting you confirmed the patch associated with bug 62254 fixes this issue? As far as I can tell, in isolation at least, it does not

[Bug inline-asm/70184] Explicit register variables holding function arguments overwritten by conversion libcall

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=70184 Ramana Radhakrishnan changed: What|Removed |Added Status|UNCONFIRMED |NEW Last reconfirmed|

[Bug target/62254] [4.9/5/6 Regression] gcc-4.9 ICEs on linux kernel zlib for armv3

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=62254 Ramana Radhakrishnan changed: What|Removed |Added Target Milestone|4.9.4 |6.0 --- Comment #15 from Ramana

[Bug tree-optimization/70479] FMA is not reassociated causing x2 slowdown vs. ICC

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=70479 --- Comment #3 from Kirill Yukhin --- (In reply to Richard Biener from comment #2) > You mean we fail to handle ternary associative tree codes in GIMPLE reassoc? > Yes, that's true. It's not going to be easy to retro-fit there >

[Bug rtl-optimization/69032] [5 Regression] ICE: in cfg_preds_1, at sel-sched-ir.c:4809 with -fsched-pressure -fsel-sched-pipelining -fselective-scheduling

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69032 --- Comment #4 from Andrey Belevantsev --- Author: abel Date: Thu Mar 31 14:01:22 2016 New Revision: 234624 URL: https://gcc.gnu.org/viewcvs?rev=234624=gcc=rev Log: Backport from mainline 2016-03-15 Andrey Belevantsev

Re: [BUG] Crash when demangling with libiberty

Philippe Daouadi writes: > I have been given these e-mail addresses by Nick Clifton after > reporting a bug on binutils here: > https://sourceware.org/bugzilla/show_bug.cgi?id=19877 . The bug is in > libiberty, according to him. > > The bug boils down to this command (and

[Bug target/62254] [4.9/5/6 Regression] gcc-4.9 ICEs on linux kernel zlib for armv3

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=62254 Ramana Radhakrishnan changed: What|Removed |Added CC||jmargetts at ocz dot com ---

[Bug target/70362] Segmentation fault compiling scalar-by-value-4_x.c for ARM arch < 4

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=70362 Ramana Radhakrishnan changed: What|Removed |Added Status|UNCONFIRMED |RESOLVED Resolution|---

[Bug target/66660] [ia64] Speculative load not checked before use, leading to a NaT Consumption Vector interruption

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=0 --- Comment #11 from Andrey Belevantsev --- Author: abel Date: Thu Mar 31 13:55:36 2016 New Revision: 234622 URL: https://gcc.gnu.org/viewcvs?rev=234622=gcc=rev Log: Backport from mainline 2016-03-15 Andrey Belevantsev

[Bug target/64411] ICE: in verify_target_availability, at sel-sched.c:1577 with -Os -mcmodel=medium -fPIC -fschedule-insns -fselective-scheduling

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=64411 --- Comment #4 from Andrey Belevantsev --- Author: abel Date: Thu Mar 31 13:50:15 2016 New Revision: 234620 URL: https://gcc.gnu.org/viewcvs?rev=234620=gcc=rev Log: Backport from mainline 2016-03-15 Andrey Belevantsev

[Bug c++/69564] [5/6 Regression] lto and/or C++ make scimark2 LU slower

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69564 --- Comment #25 from Richard Biener --- I benchmarked the patch in comment#17 with a full three-run on all_cpp on a Haswell machine with -Ofast -march=native (peak is patched). Estimated

[Bug rtl-optimization/70478] [LRA] S/390: Performance regression - superfluous stack frame

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=70478 Richard Biener changed: What|Removed |Added Keywords||ra Status|UNCONFIRMED

[Bug tree-optimization/70479] FMA is not reassociated causing x2 slowdown vs. ICC

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=70479 --- Comment #2 from Richard Biener --- You mean we fail to handle ternary associative tree codes in GIMPLE reassoc? Yes, that's true. It's not going to be easy to retro-fit there implementation-wise. With rebalancing you mean handling

[Bug tree-optimization/70479] FMA is not reassociated causing x2 slowdown vs. ICC

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=70479 --- Comment #1 from Kirill Yukhin --- (In reply to Kirill Yukhin from comment #0) > Compile: > GCC: g++ -march=haswell -Ofast -flto -fopenmp-simd -fpermissive m.cpp -o > m.gcc > ICC: icpc -O3 -ipo -fpermissive -xAVX2 -qopenmp m.cpp -o m.icc

[Bug tree-optimization/70479] New: FMA is not reassociated causing x2 slowdown vs. ICC

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=70479 Bug ID: 70479 Summary: FMA is not reassociated causing x2 slowdown vs. ICC Product: gcc Version: 6.0 Status: UNCONFIRMED Severity: normal Priority: P3

[Bug rtl-optimization/70460] [4.9/5/6 Regression] Miscompilation of glibc on i686-linux starting with r234101

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=70460 Jakub Jelinek changed: What|Removed |Added Status|ASSIGNED|RESOLVED Resolution|---

[Bug rtl-optimization/70460] [4.9/5/6 Regression] Miscompilation of glibc on i686-linux starting with r234101

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=70460 --- Comment #11 from Jakub Jelinek --- Author: jakub Date: Thu Mar 31 13:21:43 2016 New Revision: 234618 URL: https://gcc.gnu.org/viewcvs?rev=234618=gcc=rev Log: PR rtl-optimization/70460 * ira.c (indirect_jump_optimize): Don't

[Bug rtl-optimization/70460] [4.9/5/6 Regression] Miscompilation of glibc on i686-linux starting with r234101

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=70460 --- Comment #10 from Jakub Jelinek --- Author: jakub Date: Thu Mar 31 13:13:13 2016 New Revision: 234617 URL: https://gcc.gnu.org/viewcvs?rev=234617=gcc=rev Log: PR rtl-optimization/70460 * ira.c (indirect_jump_optimize): Don't

[Bug target/63874] vtable address generation goes through memory

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=63874 --- Comment #2 from Ramana Radhakrishnan --- (In reply to Richard Earnshaw from comment #1) > Sounds like this might be confusion between weak definitions and weak > references. If we have a weak reference to the object, we cannot convert it >

[Bug rtl-optimization/70460] [4.9/5/6 Regression] Miscompilation of glibc on i686-linux starting with r234101

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=70460 --- Comment #9 from Jakub Jelinek --- Author: jakub Date: Thu Mar 31 13:00:52 2016 New Revision: 234614 URL: https://gcc.gnu.org/viewcvs?rev=234614=gcc=rev Log: PR rtl-optimization/70460 * ira.c (indirect_jump_optimize): Don't

[Bug rtl-optimization/70467] Useless "and [esp],-1" emitted on AND with uint64_t variable

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=70467 --- Comment #7 from Jakub Jelinek --- That is correct expectation, but the problem is that no pass that uses it actually manages to update the insn. As I said earlier, the combiner doesn't trigger, because there is just a single insn, nothing to

[Bug target/69890] FAIL: gcc.target/i386/chkp-* on x86_64-apple-darwin15

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69890 --- Comment #7 from Ilya Enkovich --- Created attachment 38145 --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=38145=edit patch Attached patch seems to work OK on Linux and removes all string.h includes from chkp-str* tests. I believe

[Bug c++/70462] Unnecessary "base object constructor" for final classes

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=70462 --- Comment #2 from Jason Merrill --- (In reply to Richard Biener from comment #1) > Maybe the ABI mandates these nevertheless. Right, the ABI doesn't say anything about final classes. Note that the extra symbol is only an alias; there aren't

[Bug target/70292] ICE in verify_target_availability, at sel-sched.c:1584 with -fno-inline -fno-dce -fschedule-insns -fselective-scheduling -fno-tree-dce -O1

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=70292 Andrey Belevantsev changed: What|Removed |Added Status|UNCONFIRMED |ASSIGNED Last reconfirmed|

[Bug middle-end/69526] ivopts candidate strangeness

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69526 --- Comment #12 from Richard Biener --- So, we don't optimize at -O2 long foo (int a) { return (long)(a + 1) - 1; } Note that (T)(A +- CST1) +- CST2 -> (T)A +- CST3 thus the combined addition in general needs to be done in the larger type

[Bug middle-end/69526] ivopts candidate strangeness

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69526 --- Comment #11 from Richard Biener --- (In reply to rdapp from comment #10) > Created attachment 38144 [details] > Tentative patch for VRP and loop-doloop > > Meanwhile I found the time to implement a pattern for VRP which seems to do > the

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