[Bug debug/82933] [8 Regression] valgrind error in set_cur_line_info_table with -g

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82933 --- Comment #4 from Jakub Jelinek --- Author: jakub Date: Tue Nov 21 07:50:15 2017 New Revision: 254987 URL: https://gcc.gnu.org/viewcvs?rev=254987=gcc=rev Log: PR debug/82933 * run-rtl-passes.c: Include debug.h.

[Bug target/82981] [7 Regression] unnecessary __multi3 call for mips64r6 linux kernel

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82981 --- Comment #15 from Jakub Jelinek --- Author: jakub Date: Tue Nov 21 07:49:14 2017 New Revision: 254986 URL: https://gcc.gnu.org/viewcvs?rev=254986=gcc=rev Log: PR target/82981 * internal-fn.c (expand_mul_overflow): Use

[Bug ada/83027] program hangs when Ada.Text_IO is with'ed both in executable and shared library

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=83027 Eric Botcazou changed: What|Removed |Added Keywords|wrong-code | Status|WAITING

[Bug go/83071] gccgo: ICE in set_type

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=83071 Ian Lance Taylor changed: What|Removed |Added Status|UNCONFIRMED |RESOLVED Resolution|---

[Bug go/83071] gccgo: ICE in set_type

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=83071 --- Comment #3 from ian at gcc dot gnu.org --- Author: ian Date: Tue Nov 21 06:14:32 2017 New Revision: 254983 URL: https://gcc.gnu.org/viewcvs?rev=254983=gcc=rev Log: compiler: report error for ++/-- applied to a non-numeric type This

[Bug target/83084] New: [7/8 Regression] -fcompare-debug failure on ppc64le

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=83084 Bug ID: 83084 Summary: [7/8 Regression] -fcompare-debug failure on ppc64le Product: gcc Version: 8.0 Status: UNCONFIRMED Severity: normal Priority: P3

[Bug target/81325] -fcompare-debug failure on ppc64le

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=81325 Markus Trippelsdorf changed: What|Removed |Added Status|ASSIGNED|RESOLVED Resolution|---

[Bug c++/83060] ICE on valid C++ code: in ignore_overflows, at cp/cvt.c:583

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=83060 Martin Sebor changed: What|Removed |Added CC||msebor at gcc dot gnu.org --- Comment #5

[Bug tree-optimization/83080] ICE at -Os and above with -Wall on C++ code: Segmentation fault

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=83080 Martin Sebor changed: What|Removed |Added Keywords||ice-on-valid-code

[Bug libfortran/78549] [8 Regression] Very slow formatted internal file output

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=78549 --- Comment #25 from Jerry DeLisle --- Author: jvdelisle Date: Tue Nov 21 02:17:11 2017 New Revision: 254982 URL: https://gcc.gnu.org/viewcvs?rev=254982=gcc=rev Log: 2017-11-20 Jerry DeLisle PR

[Bug tree-optimization/67530] Failure to eliminate dead code produced by vector lowering

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=67530 Segher Boessenkool changed: What|Removed |Added CC||segher at gcc dot gnu.org ---

[Bug rtl-optimization/66552] Missed optimization when shift amount is result of signed modulus

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=66552 --- Comment #4 from Segher Boessenkool --- Trunk does (both -m32 and -m64) srawi 9,4,5 addze 9,9 slwi 9,9,5 subf 4,9,4 srw 3,3,4 and rlwinm 4,4,0,27,31 srw 3,3,4 so the original problem

[Bug fortran/83057] OPEN(3f) without a filename and without STATUS='SCRATCH' does not produce a warning as being an extension on unassigned files

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=83057 --- Comment #2 from urbanjost at comcast dot net --- A long-standing convention when referencing procedures anprd commands, especially on Unix platforms is to suffix them with (category[group]) to distinguish them from English words and to

[Bug bootstrap/81315] powerpc64 vs building lang/gcc7-devel (on FreeBSD head): xgcc gets segmentation fault

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=81315 --- Comment #6 from Mark Millard --- (In reply to Segher Boessenkool from comment #5) > This was BE, on a compiler that defaults to power4 ("970 without altivec"). > I.e. the default for powerpc64-linux. Good to know. Thanks. I've no clue what

[Bug bootstrap/81315] powerpc64 vs building lang/gcc7-devel (on FreeBSD head): xgcc gets segmentation fault

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=81315 --- Comment #5 from Segher Boessenkool --- This was BE, on a compiler that defaults to power4 ("970 without altivec"). I.e. the default for powerpc64-linux.

[Bug preprocessor/81794] "would be stringified in traditional C" warning should be controlled by -Wtraditional

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=81794 David Malcolm changed: What|Removed |Added Status|NEW |RESOLVED Resolution|---

[Bug preprocessor/81794] "would be stringified in traditional C" warning should be controlled by -Wtraditional

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=81794 --- Comment #5 from David Malcolm --- Author: dmalcolm Date: Tue Nov 21 00:57:29 2017 New Revision: 254981 URL: https://gcc.gnu.org/viewcvs?rev=254981=gcc=rev Log: Use -Wtraditional for "would be stringified in traditional C" (PR

[Bug c/81404] suggested hints for standard C macros should avoid GCC predefined macros

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=81404 --- Comment #6 from David Malcolm --- Author: dmalcolm Date: Tue Nov 21 00:50:39 2017 New Revision: 254980 URL: https://gcc.gnu.org/viewcvs?rev=254980=gcc=rev Log: C/C++: more stdlib header hints (PR c/81404) This patch extends the C

[Bug c/81404] suggested hints for standard C macros should avoid GCC predefined macros

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=81404 David Malcolm changed: What|Removed |Added Status|ASSIGNED|RESOLVED Resolution|---

[Bug c++/80567] bogus fixit hint for undeclared memset: else

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=80567 --- Comment #3 from David Malcolm --- Author: dmalcolm Date: Tue Nov 21 00:50:39 2017 New Revision: 254980 URL: https://gcc.gnu.org/viewcvs?rev=254980=gcc=rev Log: C/C++: more stdlib header hints (PR c/81404) This patch extends the C

[Bug c/83011] -Wformat-truncation=2 difficult to avoid for non-constant bounds

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=83011 Martin Sebor changed: What|Removed |Added Status|WAITING |NEW

[Bug c++/72786] Odd spelling suggestion with later defined macro: Suggestion is identical to unknown identifier

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=72786 --- Comment #5 from David Malcolm --- Author: dmalcolm Date: Tue Nov 21 00:40:53 2017 New Revision: 254978 URL: https://gcc.gnu.org/viewcvs?rev=254978=gcc=rev Log: C++: provide macro used-before-defined hint (PR c++/72786) This patch uses the

[Bug ada/83027] Hang when attaching a SIGINT handler

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=83027 --- Comment #17 from Victor Porton --- Created attachment 42666 --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=42666=edit Minimal example reprising the bug I've created the minimal example reprising the bug. The bug is actually awful:

[Bug target/81356] __builtin_strcpy is not good for copying an empty string on aarch64

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=81356 --- Comment #8 from Steve Ellcey --- Author: sje Date: Tue Nov 21 00:18:14 2017 New Revision: 254977 URL: https://gcc.gnu.org/viewcvs?rev=254977=gcc=rev Log: 2017-11-20 Steve Ellcey PR target/81356 *

[Bug c++/83083] New: c++2a concepts without -fconcepts

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=83083 Bug ID: 83083 Summary: c++2a concepts without -fconcepts Product: gcc Version: 8.0 Status: UNCONFIRMED Severity: normal Priority: P3 Component: c++

[Bug tree-optimization/83082] New: [8 regression] libgomp.graphite/force-parallel-1.c fails starting with r254888

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=83082 Bug ID: 83082 Summary: [8 regression] libgomp.graphite/force-parallel-1.c fails starting with r254888 Product: gcc Version: 8.0 Status: UNCONFIRMED Severity:

[Bug middle-end/83074] Shared object built with `-pie --coverage' hangs forever

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=83074 Andreas Schwab changed: What|Removed |Added Status|NEW |RESOLVED

[Bug middle-end/83074] Shared object built with `-pie --coverage' hangs forever

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=83074 --- Comment #4 from Jakub Jelinek --- (In reply to Stefan Vargyas from comment #3) > This feature is quite useful in practice -- for example, the > GNU C library is runnable this way too: > > $ /lib64/libc.so.6 > GNU C Library stable

[Bug middle-end/83074] Shared object built with `-pie --coverage' hangs forever

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=83074 --- Comment #3 from Stefan Vargyas --- > > Why do you expect you can use a PIE as a shared library? > Well, with `-pie' one can issue 'foo.so' by itself: $ ./foo.so foo.so: version 0.1 This feature is quite useful in practice -- for

[Bug rtl-optimization/70134] combine misses jump optimization on powerpc64le

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=70134 --- Comment #3 from Segher Boessenkool --- PowerPC has no simple way to set a CR field to "equal". We could add a pattern to do that (which will cost 2 insns, so works for 3->2 combinations, like we in fact get here; something like li X,0 ;

[Bug middle-end/83074] Shared object built with `-pie --coverage' hangs forever

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=83074 --- Comment #2 from H.J. Lu --- (In reply to Martin Liška from comment #1) > Hi. > > Thanks for the report. I isolated the issue and it's related to how > constructors are called and hang in GCOV is just demonstration of the > problem. > >

[Bug c++/83045] [8 Regression] -Wreturn-type regression in C++

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=83045 Jakub Jelinek changed: What|Removed |Added CC||jakub at gcc dot gnu.org --- Comment #2

[Bug tree-optimization/78821] GCC7: Copying whole 32 bits structure field by field not optimised into copying whole 32 bits at once

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=78821 --- Comment #32 from Uroš Bizjak --- (In reply to rguent...@suse.de from comment #20) > Index: gcc/tree-ssa-sccvn.c > === > --- gcc/tree-ssa-sccvn.c(revision 254945) > +++

[Bug target/68690] PowerPC64: TOC save in PHP core loop results in load hit store

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=68690 Segher Boessenkool changed: What|Removed |Added Status|NEW |RESOLVED Resolution|---

[Bug gcov-profile/83074] Shared object built with `-pie --coverage' hangs forever

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=83074 Martin Liška changed: What|Removed |Added Status|UNCONFIRMED |NEW Last reconfirmed|

[Bug c/83011] -Wformat-truncation wrongly computes length (depends on the position of numbers in the addition)

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=83011 --- Comment #4 from Julien ÉLIE --- Martin, the following thing still puzzles me. len = 52 * timer_count + 27 + (prefix == NULL ? 0 : strlen(prefix)) + 1; => gives a warning, as explained below len = 1 + 52 * timer_count + 27 + (prefix == NULL

[Bug bootstrap/81315] powerpc64 vs building lang/gcc7-devel (on FreeBSD head): xgcc gets segmentation fault

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=81315 --- Comment #4 from Mark Millard --- (In reply to Segher Boessenkool from comment #3) > Builds fine on powerpc64-linux, both trunk and 7. Could you give information on how to set up and run this test, including pointing to what distribution to

[Bug tree-optimization/83081] New: [8 regression][arm] gcc.dg/pr80218.c fails since r254888

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=83081 Bug ID: 83081 Summary: [8 regression][arm] gcc.dg/pr80218.c fails since r254888 Product: gcc Version: 8.0 Status: UNCONFIRMED Severity: normal

[Bug target/77687] frame access after release without redzone on powerpc

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=77687 Segher Boessenkool changed: What|Removed |Added Status|ASSIGNED|RESOLVED Resolution|---

[Bug target/77687] frame access after release without redzone on powerpc

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=77687 --- Comment #8 from Segher Boessenkool --- Author: segher Date: Mon Nov 20 20:10:28 2017 New Revision: 254968 URL: https://gcc.gnu.org/viewcvs?rev=254968=gcc=rev Log: rs6000: Don't touch below the stack pointer (PR77687) With the 32-bit SVR4

[Bug fortran/53796] I/O INQUIRE of RECL: If not specified in OPEN, the default value should be returned (sequential access)

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=53796 Janne Blomqvist changed: What|Removed |Added URL||https://gcc.gnu.org/ml/gcc-

[Bug tree-optimization/78821] GCC7: Copying whole 32 bits structure field by field not optimised into copying whole 32 bits at once

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=78821 --- Comment #31 from Uroš Bizjak --- (In reply to Jakub Jelinek from comment #28) > Ok, let's go with your patch then. Committed as r254967: Author: uros Date: Mon Nov 20 19:52:14 2017 New Revision: 254967 URL:

[Bug fortran/79072] ICE with class(*) pointer function result and character value

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=79072 --- Comment #16 from neil.n.carlson at gmail dot com --- I've confirmed Dominique's findings: Code in comments 0, 5, 11 are working now with Paul's commit (Thanks!), but comment 12 code still gives an ICE. Should I create a new PR for that

[Bug go/83071] gccgo: ICE in set_type

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=83071 --- Comment #2 from pmatos at gcc dot gnu.org --- (In reply to Ian Lance Taylor from comment #1) > This is of course a compiler bug, but it's a crash on invalid code. You > can't write `input++` when `input` is a string type. In Go the `++` >

[Bug target/83052] ICE in extract_insn, at recog.c:2305 starting from r254560

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=83052 Martin Liška changed: What|Removed |Added Last reconfirmed||2017-11-20 Summary|[8

[Bug go/83071] gccgo: ICE in set_type

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=83071 --- Comment #1 from Ian Lance Taylor --- This is of course a compiler bug, but it's a crash on invalid code. You can't write `input++` when `input` is a string type. In Go the `++` operator only applies to integer types. When I fix the

[Bug tree-optimization/83075] [8 Regression] Invalid strncpy optimization

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=83075 Martin Sebor changed: What|Removed |Added Keywords||patch --- Comment #2 from Martin Sebor

[Bug fortran/79072] ICE with class(*) pointer function result and character value

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=79072 --- Comment #15 from Paul Thomas --- Author: pault Date: Mon Nov 20 19:09:34 2017 New Revision: 254966 URL: https://gcc.gnu.org/viewcvs?rev=254966=gcc=rev Log: 2017-11-20 Paul Thomas PR fortran/79072 *

[Bug tree-optimization/83080] New: ICE at -Os and above with -Wall on C++ code: Segmentation fault

/software/tmp/gcc/gcc-trunk/libexec/gcc/x86_64-pc-linux-gnu/8.0.0/lto-wrapper Target: x86_64-pc-linux-gnu Configured with: ../gcc-source-trunk/configure --enable-languages=c,c++,lto --prefix=/home/su/software/tmp/gcc/gcc-trunk --disable-bootstrap Thread model: posix gcc version 8.0.0 20171120

[Bug tree-optimization/83026] missing strlen optimization for strcmp of unequal strings

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=83026 Paolo Carlini changed: What|Removed |Added Status|UNCONFIRMED |ASSIGNED Last reconfirmed|

[Bug middle-end/79538] missing -Wformat-overflow with %s and non-member array arguments

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=79538 Paolo Carlini changed: What|Removed |Added Status|NEW |ASSIGNED CC|qing.zhao

[Bug libstdc++/83077] sso-string @ gnu-versioned-namespace.

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=83077 Jonathan Wakely changed: What|Removed |Added Status|UNCONFIRMED |NEW Last reconfirmed|

[Bug target/81291] [6/7/8 Regression] wrong code with -O2 -fno-rerun-cse-after-loop -fno-tree-ter -fno-tree-vrp -funroll-loops due to improper carry

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=81291 --- Comment #4 from Segher Boessenkool --- Fixed on trunk. This may be the same as PR82621, which I'll backport this week.

[Bug tree-optimization/83075] [8 Regression] Invalid strncpy optimization

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=83075 Martin Sebor changed: What|Removed |Added Keywords||wrong-code

[Bug fortran/83079] ICE in gfc_widechar_to_char, at fortran/scanner.c:198

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=83079 --- Comment #1 from G. Steinmetz --- While these variants compile : $ cat z3.f90 program p print *, transfer('xy', ['a']) end $ cat z4.f90 program p print *, transfer(4_'xy', [4_'ab']) end $ cat z5.f90 program p

[Bug fortran/83079] New: ICE in gfc_widechar_to_char, at fortran/scanner.c:198

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=83079 Bug ID: 83079 Summary: ICE in gfc_widechar_to_char, at fortran/scanner.c:198 Product: gcc Version: 8.0 Status: UNCONFIRMED Severity: normal Priority: P3

[Bug fortran/83078] ICE in gfc_typenode_for_spec, at fortran/trans-types.c:1110

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=83078 --- Comment #1 from G. Steinmetz --- Detected without "implicit none" : $ cat z2.f90 program p type t integer :: a(n) end type t type(t) :: x = t([1, 2]) end $ gfortran-8-20171119 -c z2.f90 z2.f90:3:19:

[Bug fortran/83078] New: ICE in gfc_typenode_for_spec, at fortran/trans-types.c:1110

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=83078 Bug ID: 83078 Summary: ICE in gfc_typenode_for_spec, at fortran/trans-types.c:1110 Product: gcc Version: 8.0 Status: UNCONFIRMED Severity: normal

[Bug libstdc++/83077] New: sso-string @ gnu-versioned-namespace.

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=83077 Bug ID: 83077 Summary: sso-string @ gnu-versioned-namespace. Product: gcc Version: 7.2.0 Status: UNCONFIRMED Severity: normal Priority: P3 Component: libstdc++

[Bug fortran/83076] New: [8 Regression] ICE in gfc_deallocate_scalar_with_status, at fortran/trans.c:1598

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=83076 Bug ID: 83076 Summary: [8 Regression] ICE in gfc_deallocate_scalar_with_status, at fortran/trans.c:1598 Product: gcc Version: 8.0 Status: UNCONFIRMED

[Bug tree-optimization/83075] New: [8 Regression] Invalid strncpy optimization

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=83075 Bug ID: 83075 Summary: [8 Regression] Invalid strncpy optimization Product: gcc Version: 8.0 Status: UNCONFIRMED Severity: normal Priority: P3 Component:

[Bug tree-optimization/83075] [8 Regression] Invalid strncpy optimization

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=83075 Jakub Jelinek changed: What|Removed |Added Priority|P3 |P1 CC|

[Bug gcov-profile/83074] New: Shared object built with `-pie --coverage' hangs forever

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=83074 Bug ID: 83074 Summary: Shared object built with `-pie --coverage' hangs forever Product: gcc Version: 7.2.0 Status: UNCONFIRMED Severity: normal

[Bug gcov-profile/83030] [8 regression] ICE in create_pseudo_cfg, at dwarf2cfi.c:2840

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=83030 Eric Botcazou changed: What|Removed |Added Status|WAITING |ASSIGNED CC|ebotcazou

[Bug tree-optimization/83041] redundant assignment from member array not eliminated

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=83041 Martin Sebor changed: What|Removed |Added Keywords||missed-optimization See Also|

[Bug debug/82933] [8 Regression] valgrind error in set_cur_line_info_table with -g

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82933 --- Comment #3 from Jakub Jelinek --- Created attachment 42663 --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=42663=edit gcc8-pr82933.patch Or we can just hack around this and hope dwarf2out or others don't rely on some other hooks to be

[Bug tree-optimization/83041] redundant assignment from member array not eliminated

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=83041 --- Comment #2 from Andrew Pinski --- (In reply to Richard Biener from comment #1) > I think we have a duplicate bug for this looking like Yes bug 23094.

[Bug libstdc++/48101] obscure error message with std::set

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=48101 --- Comment #7 from Jonathan Wakely --- Even if we allowed allocator you still can't use std::set because the container code assumes a non-const value type in several places.

[Bug debug/82933] [8 Regression] valgrind error in set_cur_line_info_table with -g

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82933 Jakub Jelinek changed: What|Removed |Added CC||dmalcolm at gcc dot gnu.org,

[Bug gcov-profile/83030] [8 regression] ICE in create_pseudo_cfg, at dwarf2cfi.c:2840

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=83030 --- Comment #3 from ro at CeBiTec dot Uni-Bielefeld.DE --- > --- Comment #2 from ro at CeBiTec dot Uni-Bielefeld.DE Uni-Bielefeld.DE> --- >> --- Comment #1 from Martin Liška --- [...] >> Can you please bisect to a single revision? > > Sure,

[Bug middle-end/79538] missing -Wformat-overflow with %s and non-member array arguments

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=79538 Qing Zhao changed: What|Removed |Added CC||qing.zhao at oracle dot com --- Comment #2

[Bug tree-optimization/83026] missing strlen optimization for strcmp of unequal strings

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=83026 Qing Zhao changed: What|Removed |Added CC||qing.zhao at oracle dot com --- Comment #2

[Bug libstdc++/48101] obscure error message with std::set

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=48101 --- Comment #6 from Jonathan Wakely --- You can't allocate const memory, but in essence yes, that's the reason. The standard says that an allocator's value type must be a non-const, non-volatile object type, so std::allocator is undefined

[Bug other/83048] wrap multi-statement macros in do {} while (0)

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=83048 --- Comment #3 from Tom de Vries --- (In reply to Tom de Vries from comment #2) > I wonder if we could use a macro like this: > ... > #define SAFE_MACRO_STMT(stmt) \ Submitted RFC at

[Bug c/83056] GCC suggests the use of previously reported undeclared identifiers when reporting new undeclared identifiers

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=83056 David Malcolm changed: What|Removed |Added Status|NEW |ASSIGNED Assignee|unassigned

[Bug tree-optimization/78821] GCC7: Copying whole 32 bits structure field by field not optimised into copying whole 32 bits at once

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=78821 --- Comment #30 from Uroš Bizjak --- Another unhandled case: --cut here-- typedef __SIZE_TYPE__ size_t; void baz (char *buf, size_t base, unsigned int data) { buf[base] = data; buf[base+1] = data >> 8; } --cut here-- compiles to:

[Bug bootstrap/81315] powerpc64 vs building lang/gcc7-devel (on FreeBSD head): xgcc gets segmentation fault

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=81315 Segher Boessenkool changed: What|Removed |Added CC||segher at gcc dot gnu.org ---

[Bug libstdc++/48101] obscure error message with std::set

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=48101 --- Comment #5 from gccbugs at jbapple dot com --- What is the virtue of making std::allocator an error? Is this required by the standard? Is it because calls to construct are writing to const memory?

[Bug target/82981] [7 Regression] unnecessary __multi3 call for mips64r6 linux kernel

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82981 --- Comment #14 from Jakub Jelinek --- Created attachment 42662 --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=42662=edit gcc8-pr82981-arm.patch Untested fix for the arm issue.

[Bug target/83052] [8 Regression] ICE in extract_insn, at recog.c:2305 starting from r254560

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=83052 --- Comment #1 from Andi Kleen --- I'm not sure why you call it a regression? You must be running the test suite manually with the new option. I haven't tested, but likely it will fail if you run that test with -mcmodel=large too. The

[Bug tree-optimization/83073] Range for VR_VARYING | [1, 1]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=83073 Richard Biener changed: What|Removed |Added Status|UNCONFIRMED |ASSIGNED Last reconfirmed|

[Bug c++/82882] [8 regression] ICE Segmentation fault

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82882 Andrey Guskov changed: What|Removed |Added CC||andrey.y.guskov at intel dot com ---

[Bug c/83056] GCC suggests the use of previously reported undeclared identifiers when reporting new undeclared identifiers

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=83056 David Malcolm changed: What|Removed |Added Status|UNCONFIRMED |NEW Last reconfirmed|

[Bug tree-optimization/83073] New: Range for VR_VARYING | [1, 1]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=83073 Bug ID: 83073 Summary: Range for VR_VARYING | [1, 1] Product: gcc Version: 8.0 Status: UNCONFIRMED Severity: normal Priority: P3 Component: tree-optimization

[Bug debug/82718] Bad DWARF5 .debug_loclists generation

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82718 --- Comment #6 from Mark Wielaard --- Building elfutils with -g -O2 -gdwarf-5 still fails without this patch with current gcc trunk (just in a different file libdwfl/realloc.c instead of elf_begin.c as reported originally). Using the proposed

[Bug target/82981] [7 Regression] unnecessary __multi3 call for mips64r6 linux kernel

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82981 Christophe Lyon changed: What|Removed |Added CC||clyon at gcc dot gnu.org --- Comment

[Bug target/83068] Suboptimal code generated with -m32 using MMX reg

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=83068 Richard Biener changed: What|Removed |Added CC||hjl.tools at gmail dot com --- Comment

[Bug middle-end/83069] [8 Regression] internal compiler error: in from_gcov_type, at profile-count.h:676

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=83069 Richard Biener changed: What|Removed |Added Target Milestone|--- |8.0

[Bug tree-optimization/83072] Late VRP optimization

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=83072 Richard Biener changed: What|Removed |Added Keywords||missed-optimization

[Bug target/82682] [8 Regression] FAIL: gcc.target/i386/pr50038.c scan-assembler-times movzbl 2 (found 3 times) since r253958

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82682 --- Comment #3 from Jakub Jelinek --- Yes. r253955 to r253958 diff is: --- pr50038.s.2539552017-11-20 09:52:43.0 -0500 +++ pr50038.s.2539582017-11-20 09:52:48.0 -0500 @@ -1,53 +1,55 @@ .file "pr50038.c"

[Bug c++/83046] ICE in nvptx offloading, C++ compilation of libgomp.oacc-c-c++-common/gang-static-2.c

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=83046 --- Comment #6 from Thomas Schwinge --- (In reply to Martin Liška from comment #5) > Thanks for instructions, but apparently does not work for me: > > make check-target-libgomp > === libgomp Summary === > > # of untested

[Bug gcov-profile/83030] [8 regression] ICE in create_pseudo_cfg, at dwarf2cfi.c:2840

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=83030 --- Comment #2 from ro at CeBiTec dot Uni-Bielefeld.DE --- > --- Comment #1 from Martin Liška --- > Thanks for the report. Unfortunately one needs native compiler for that. Do we > have a working machine in GCC Compile Farm? Not yet: I do have

[Bug ipa/80899] [6/7/8 Regression] Devirtualization causes incorrect code generation with placement new in some cases

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=80899 Jan Hubicka changed: What|Removed |Added Status|SUSPENDED |ASSIGNED --- Comment #3 from Jan Hubicka

[Bug target/82615] [8 Regression] SPEC CPU2006 453.povray ~10% performance deviation with r248863

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82615 --- Comment #4 from Martin Liška --- Yes, it fixed on Haswell, we're even slightly faster than before the problematic revision. Tomorrow I'll measure Zen as well.

[Bug libstdc++/48101] obscure error message with std::set

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=48101 --- Comment #4 from Jonathan Wakely --- Which causes the code to be accepted. I'd rather do: template class allocator; // undefined so there's an error.

[Bug middle-end/82878] [7/8 Regression] ICE in assign_temp, at function.c:968 when using optimization

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82878 --- Comment #5 from Nathan Sidwell --- Author: nathan Date: Mon Nov 20 14:39:00 2017 New Revision: 254958 URL: https://gcc.gnu.org/viewcvs?rev=254958=gcc=rev Log: [PR c++/82878] pass-by-invisiref in lambda

[Bug c++/78495] [7 regression][new inheriting ctors] invisible-ref parm has address taken

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=78495 --- Comment #5 from Nathan Sidwell --- Author: nathan Date: Mon Nov 20 14:39:00 2017 New Revision: 254958 URL: https://gcc.gnu.org/viewcvs?rev=254958=gcc=rev Log: [PR c++/82878] pass-by-invisiref in lambda

[Bug c++/83058] [6/7/8 Regression] ICE on C++ code with negative array index: in warn_placement_new_too_small, at cp/init.c:2666

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=83058 Jakub Jelinek changed: What|Removed |Added CC||jakub at gcc dot gnu.org,

[Bug c++/83060] ICE on valid C++ code: in ignore_overflows, at cp/cvt.c:583

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=83060 --- Comment #4 from Nathan Sidwell --- I recall discussion years back that concluded the int *p = [-1]; case was well formed (there being no access specifier between the two fields). Of course the validity of the argument may have changed

[Bug target/82960] spu_machine_dependent_reorg does not handle jump_table_data insn

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82960 --- Comment #4 from Tom de Vries --- (In reply to Ulrich Weigand from comment #3) > I'll have a look. Thanks :) > I still need to get my SPU build environment back up and > running, the build currently fails due to unrelated issues. > > I

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