[Bug tree-optimization/67199] ICE with compile bug related to vector_size

2015-08-12 Thread mpolacek at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=67199 Marek Polacek changed: What|Removed |Added Status|UNCONFIRMED |RESOLVED CC|

[Bug tree-optimization/61441] ARM aarch64 fails to quiet signaling NaN

2015-08-12 Thread ssaraswati at gmail dot com
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=61441 --- Comment #4 from Sujoy --- Yes, I agree to your comment. With -fno-signaling-nans (which is the default), we need to fix the ccp so that the sNaN is converted to qNaN when the value is propagated. With -fsignaling-nans, we need to ensure tha

[Bug target/67002] [5] [SH]: Bootstrap stage 2/3 comparison failure - gcc/real.o differs

2015-08-12 Thread glaubitz at physik dot fu-berlin.de
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=67002 --- Comment #25 from John Paul Adrian Glaubitz --- Ok, this seems to have been fixed: Comparing stages 2 and 3 warning: gcc/cc1objplus-checksum.o differs warning: gcc/cc1-checksum.o differs warning: gcc/cc1plus-checksum.o differs warning: gcc/cc

[Bug tree-optimization/66070] [GRAPHITE] cc1 gets killed by OOM killer

2015-08-12 Thread andrey.turkin at gmail dot com
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=66070 Andrey Turkin changed: What|Removed |Added CC||andrey.turkin at gmail dot com --- Comme

[Bug c++/67200] New: Copy elision and implicit move in return performed in cases not allowed by standard

2015-08-12 Thread rs2740 at gmail dot com
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=67200 Bug ID: 67200 Summary: Copy elision and implicit move in return performed in cases not allowed by standard Product: gcc Version: 6.0 Status: UNCONFIRMED Severit

[Bug go/66870] split stack issues on ppc64le and ppc64

2015-08-12 Thread amodra at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=66870 --- Comment #22 from Alan Modra --- Author: amodra Date: Thu Aug 13 05:25:02 2015 New Revision: 226848 URL: https://gcc.gnu.org/viewcvs?rev=226848&root=gcc&view=rev Log: More split-stack fixes Backport rev 226443 2015-07-31 Alan Modra

[Bug target/29256] [4.9/5/6 regression] loop performance regression

2015-08-12 Thread amker at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=29256 --- Comment #62 from amker at gcc dot gnu.org --- (In reply to Bill Schmidt from comment #61) > (In reply to amker from comment #60) > > (In reply to Bill Schmidt from comment #59) > > > We don't have a lot of data yet, but we have seen several ex

gcc-bugs@gcc.gnu.org

2015-08-12 Thread naveenh at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=25529 --- Comment #3 from naveenh at gcc dot gnu.org --- Author: naveenh Date: Thu Aug 13 04:37:22 2015 New Revision: 226847 URL: https://gcc.gnu.org/viewcvs?rev=226847&root=gcc&view=rev Log: 2015-08-13 Naveen H.S PR middle-end/25529

[Bug target/29256] [4.9/5/6 regression] loop performance regression

2015-08-12 Thread wschmidt at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=29256 --- Comment #61 from Bill Schmidt --- (In reply to amker from comment #60) > (In reply to Bill Schmidt from comment #59) > > We don't have a lot of data yet, but we have seen several examples in SPEC > > and other benchmarks where turning on -fun

[Bug tree-optimization/67199] New: ICE with compile bug related to vector_size

2015-08-12 Thread zhongyunde at huawei dot com
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=67199 Bug ID: 67199 Summary: ICE with compile bug related to vector_size Product: gcc Version: 4.9.4 Status: UNCONFIRMED Severity: normal Priority: P3 Component: tree-

[Bug tree-optimization/67153] [5/6 Regression] integer optimizations 53% slower than std::bitset<>

2015-08-12 Thread ncm at cantrip dot org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=67153 --- Comment #11 from ncm at cantrip dot org --- Aha, Uroš, I see your name in https://gcc.gnu.org/bugzilla/show_bug.cgi?id=62011 Please forgive me for "teaching" you about micro-ops. The code being generated for all versions does use (e.g.)

[Bug target/29256] [4.9/5/6 regression] loop performance regression

2015-08-12 Thread amker at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=29256 --- Comment #60 from amker at gcc dot gnu.org --- (In reply to Bill Schmidt from comment #59) > (In reply to rguent...@suse.de from comment #57) > > > > It's been a long time since I've done SPEC measuring with/without > > -funroll-loops (or/and

[Bug tree-optimization/67153] [5/6 Regression] integer optimizations 53% slower than std::bitset<>

2015-08-12 Thread ncm at cantrip dot org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=67153 --- Comment #10 from ncm at cantrip dot org --- I found this, which at first blush seems like it might be relevant. The hardware complained about here is the same Haswell i7-4770. http://stackoverflow.com/questions/25078285/replacing-a-32-bit-loo

[Bug go/67198] [5/6 Regression] change of type of syscall.RawSockaddr.Data on ppc64 breaks compilation of existing programs

2015-08-12 Thread ian at airs dot com
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=67198 Ian Lance Taylor changed: What|Removed |Added CC||boger at us dot ibm.com --- Comment #

[Bug tree-optimization/67153] [5/6 Regression] integer optimizations 53% slower than std::bitset<>

2015-08-12 Thread ncm at cantrip dot org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=67153 --- Comment #9 from ncm at cantrip dot org --- I did experiment with -m[no-]bmi[2] a fair bit. It all made a significant difference in the instructions emitted, but exactly zero difference in runtime. That's actually not surprising at all; those

[Bug go/67198] New: gccgo: change of type of syscall.RawSockaddr.Data on ppc64 breaks compilation of existing programs

2015-08-12 Thread michael.hudson at canonical dot com
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=67198 Bug ID: 67198 Summary: gccgo: change of type of syscall.RawSockaddr.Data on ppc64 breaks compilation of existing programs Product: gcc Version: unknown Status: UNCONFIRME

[Bug middle-end/66214] [6 Regression] ICE verify_type failed with -O0 -g via gen_type_die_with_usage's dwarf2out.c:20250

2015-08-12 Thread anton at samba dot org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=66214 Anton Blanchard changed: What|Removed |Added CC||anton at samba dot org --- Comment #12

[Bug c++/53330] new() operator can return NULL on a zero-length allocation

2015-08-12 Thread paolo.carlini at oracle dot com
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=53330 Paolo Carlini changed: What|Removed |Added Status|UNCONFIRMED |RESOLVED Known to work|

[Bug c++/53330] new() operator can return NULL on a zero-length allocation

2015-08-12 Thread paolo at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=53330 --- Comment #4 from paolo at gcc dot gnu.org --- Author: paolo Date: Wed Aug 12 22:38:04 2015 New Revision: 226840 URL: https://gcc.gnu.org/viewcvs?rev=226840&root=gcc&view=rev Log: 2015-08-12 Paolo Carlini PR c++/53330 * g++

[Bug target/67071] GCC misses an optimization to load vector constants

2015-08-12 Thread meissner at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=67071 --- Comment #2 from Michael Meissner --- Author: meissner Date: Wed Aug 12 21:54:23 2015 New Revision: 226836 URL: https://gcc.gnu.org/viewcvs?rev=226836&root=gcc&view=rev Log: [gcc] 2015-08-12 Michael Meissner PR target/67071

[Bug target/67172] [5/6 regression] i686-w64-mingw32 dwarf2 bootstrap fails with undefined reference to __EH_FRAME_BEGIN__

2015-08-12 Thread breedlove.matt at gmail dot com
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=67172 --- Comment #5 from Matt Breedlove --- On previous builds, you could have DWARF2_UNWIND_INFO be defined and have EH_FRAME_SECTION_NAME undefined within libgcc2.c (the section name was still defined within cygming-crtbegin.c - crtbegin.o). When c

[Bug tree-optimization/61441] ARM aarch64 fails to quiet signaling NaN

2015-08-12 Thread joseph at codesourcery dot com
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=61441 --- Comment #3 from joseph at codesourcery dot com --- Bugs in -fsignaling-nans (in this case, that a conversion of a signaling NaN from float to double is incorrectly folded) should be fixed just like any other bug. That sentence is simply wa

[Bug target/67172] [5/6 regression] i686-w64-mingw32 dwarf2 bootstrap fails with undefined reference to __EH_FRAME_BEGIN__

2015-08-12 Thread joseph at codesourcery dot com
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=67172 --- Comment #4 from joseph at codesourcery dot com --- On Tue, 11 Aug 2015, breedlove.matt at gmail dot com wrote: > https://gcc.gnu.org/bugzilla/show_bug.cgi?id=67172 > > --- Comment #3 from Matt Breedlove --- > In gcc/defaults.h, it gets def

[Bug tree-optimization/67196] Another false positive from -Wmaybe-uninitialized

2015-08-12 Thread manu at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=67196 Manuel López-Ibáñez changed: What|Removed |Added Status|UNCONFIRMED |NEW Last reconfirmed|

[Bug inline-asm/66631] inability to clobber segment regs makes tls problematic

2015-08-12 Thread stsp at users dot sourceforge.net
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=66631 --- Comment #18 from Stas Sergeev --- (In reply to Andy Lutomirski from comment #17) > I'll chime in, possibly uselessly. > > Before Linux 4.1, only CS was saved. (Unless you go *way* back.) In 4.1 > or newer, SS is saved, too. > > In 64-bit

[Bug bootstrap/67197] GCC_FINAL causes bootstrap failure on AIX

2015-08-12 Thread dje at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=67197 David Edelsohn changed: What|Removed |Added Status|UNCONFIRMED |NEW Last reconfirmed|

[Bug bootstrap/67197] New: GCC_FINAL causes bootstrap failure on AIX

2015-08-12 Thread dje at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=67197 Bug ID: 67197 Summary: GCC_FINAL causes bootstrap failure on AIX Product: gcc Version: 6.0 Status: UNCONFIRMED Severity: normal Priority: P3 Component: bootstrap

[Bug inline-asm/66631] inability to clobber segment regs makes tls problematic

2015-08-12 Thread luto at mit dot edu
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=66631 Andy Lutomirski changed: What|Removed |Added CC||luto at mit dot edu --- Comment #17 fr

[Bug tree-optimization/67196] New: Another false positive from -Wmaybe-uninitialized

2015-08-12 Thread dmalcolm at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=67196 Bug ID: 67196 Summary: Another false positive from -Wmaybe-uninitialized Product: gcc Version: 6.0 Status: UNCONFIRMED Severity: normal Priority: P3 Component: t

[Bug tree-optimization/65709] [5 Regression] Bad code for LZ4 decompression with -O3 on x86_64

2015-08-12 Thread noloader at gmail dot com
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=65709 --- Comment #19 from Jeffrey Walton --- (In reply to Yann Collet from comment #18) > This issue makes me wonder : how to efficiently access unaligned memory ? > > > The case in point is ARM cpu. > They don't support SSE/AVX, so they seem unaffe

[Bug tree-optimization/65709] [5 Regression] Bad code for LZ4 decompression with -O3 on x86_64

2015-08-12 Thread yann.collet.73 at gmail dot com
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=65709 --- Comment #18 from Yann Collet --- This issue makes me wonder : how to efficiently access unaligned memory ? The case in point is ARM cpu. They don't support SSE/AVX, so they seem unaffected by this specific issue, but this issue force writin

[Bug c++/49409] some possible new warnings for strange code

2015-08-12 Thread mpolacek at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=49409 --- Comment #7 from Marek Polacek --- I meant "agree with closing".

[Bug c++/67161] [5/6 Regression] ICE with a static_assert using our internal __not/__or/__and traits

2015-08-12 Thread jason at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=67161 Jason Merrill changed: What|Removed |Added Status|ASSIGNED|RESOLVED Resolution|---

[Bug c++/67104] [5/6 regression] Constant expression factory function initializes std::array with static storage duration strangely

2015-08-12 Thread jason at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=67104 --- Comment #8 from Jason Merrill --- Author: jason Date: Wed Aug 12 18:08:45 2015 New Revision: 226833 URL: https://gcc.gnu.org/viewcvs?rev=226833&root=gcc&view=rev Log: PR c++/67104 * constexpr.c (cxx_eval_array_reference): Fix

[Bug c++/49409] some possible new warnings for strange code

2015-08-12 Thread mpolacek at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=49409 --- Comment #6 from Marek Polacek --- -Wtautological-compare has been added to GCC 6. -Wlogical-op is older, but the part of it that warns about "i && i" is new and has only been added to GCC 6. I agree about closing the bug now, BTW.

[Bug c++/67161] [5/6 Regression] ICE with a static_assert using our internal __not/__or/__and traits

2015-08-12 Thread jason at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=67161 --- Comment #5 from Jason Merrill --- Author: jason Date: Wed Aug 12 18:05:49 2015 New Revision: 226831 URL: https://gcc.gnu.org/viewcvs?rev=226831&root=gcc&view=rev Log: PR c++/67161 * error.c (dump_decl) [TEMPLATE_ID_EXPR]: Pas

[Bug c++/67108] [6 Regression] ICE: in cxx_eval_call_expression, at cp/constexpr.c:1345 when dumping

2015-08-12 Thread jason at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=67108 Jason Merrill changed: What|Removed |Added Status|ASSIGNED|RESOLVED Resolution|---

[Bug c++/67104] [5/6 regression] Constant expression factory function initializes std::array with static storage duration strangely

2015-08-12 Thread jason at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=67104 --- Comment #7 from Jason Merrill --- Author: jason Date: Wed Aug 12 18:02:43 2015 New Revision: 226830 URL: https://gcc.gnu.org/viewcvs?rev=226830&root=gcc&view=rev Log: PR c++/67104 * constexpr.c (cxx_eval_array_reference): Han

[Bug c++/67108] [6 Regression] ICE: in cxx_eval_call_expression, at cp/constexpr.c:1345 when dumping

2015-08-12 Thread jason at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=67108 --- Comment #3 from Jason Merrill --- Author: jason Date: Wed Aug 12 18:02:35 2015 New Revision: 226829 URL: https://gcc.gnu.org/viewcvs?rev=226829&root=gcc&view=rev Log: PR c++/67108 * decl2.c (c_parse_final_cleanups): Set at_eo

[Bug c++/67195] New: cpp and g++ does not define __GLIBCXX__

2015-08-12 Thread noloader at gmail dot com
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=67195 Bug ID: 67195 Summary: cpp and g++ does not define __GLIBCXX__ Product: gcc Version: 5.1.1 Status: UNCONFIRMED Severity: normal Priority: P3 Component: c++

[Bug c++/49409] some possible new warnings for strange code

2015-08-12 Thread paolo.carlini at oracle dot com
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=49409 Paolo Carlini changed: What|Removed |Added CC||jakub at gcc dot gnu.org,

[Bug c++/67161] [5/6 Regression] ICE with a static_assert using our internal __not/__or/__and traits

2015-08-12 Thread jason at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=67161 --- Comment #4 from Jason Merrill --- Author: jason Date: Wed Aug 12 17:33:39 2015 New Revision: 226827 URL: https://gcc.gnu.org/viewcvs?rev=226827&root=gcc&view=rev Log: PR c++/67161 * error.c (dump_decl) [TEMPLATE_ID_EXPR]: Pas

[Bug c++/55095] Wshift-overflow

2015-08-12 Thread mpolacek at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=55095 Marek Polacek changed: What|Removed |Added Status|REOPENED|RESOLVED Resolution|---

[Bug c++/55095] Wshift-overflow

2015-08-12 Thread mpolacek at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=55095 --- Comment #19 from Marek Polacek --- Author: mpolacek Date: Wed Aug 12 17:25:23 2015 New Revision: 226826 URL: https://gcc.gnu.org/viewcvs?rev=226826&root=gcc&view=rev Log: PR c++/55095 * c-common.c (maybe_warn_shift_overflow):

[Bug middle-end/67194] New: Missed jump thread and false positive from -Wuninitialized

2015-08-12 Thread law at redhat dot com
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=67194 Bug ID: 67194 Summary: Missed jump thread and false positive from -Wuninitialized Product: gcc Version: unknown Status: UNCONFIRMED Severity: normal P

[Bug c++/52742] Initializing an array using brace initializer and template parameters

2015-08-12 Thread paolo.carlini at oracle dot com
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=52742 Paolo Carlini changed: What|Removed |Added Status|NEW |RESOLVED CC|M at ttDiese

[Bug c++/52742] Initializing an array using brace initializer and template parameters

2015-08-12 Thread paolo at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=52742 --- Comment #4 from paolo at gcc dot gnu.org --- Author: paolo Date: Wed Aug 12 17:18:14 2015 New Revision: 226824 URL: https://gcc.gnu.org/viewcvs?rev=226824&root=gcc&view=rev Log: 2015-08-12 Paolo Carlini PR c++/52742 * g++

[Bug c++/66941] Missing diagnostic "extraneous template parameter list in template specialization"

2015-08-12 Thread miyuki at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=66941 Mikhail Maltsev changed: What|Removed |Added Status|UNCONFIRMED |RESOLVED Resolution|---

[Bug c++/63809] Missing warning on extra template

2015-08-12 Thread miyuki at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=63809 Mikhail Maltsev changed: What|Removed |Added CC||miyuki at gcc dot gnu.org --- Comment

[Bug c++/63809] Missing warning on extra template

2015-08-12 Thread vanyacpp at gmail dot com
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=63809 --- Comment #2 from Ivan Sorokin --- (In reply to Marc Glisse from comment #0) > g++ fails to warn about the extra parameter list. clang does warn, see > PR63750. Why is it a warning? Isn't this code incorrect? I can not find anything in [temp.e

[Bug c++/67193] New: Overzealous -Wstack-usage warning

2015-08-12 Thread tobi at gcc dot gnu.org
(char *p) { ^ $ bin/g++ -O -c -Wstack-usage=898989 t.cc $ bin/g++ --version g++ (GCC) 6.0.0 20150812 (experimental) Copyright (C) 2015 Free Software Foundation, Inc. This is free software; see the source for copying conditions. There is NO warranty; not even for MERCHANTABILITY or FITNESS

[Bug bootstrap/66521] xgcc: cc1plus segfaults when compiling libstdc++-v3/src/c++11/ostream-inst.cc

2015-08-12 Thread ctice at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=66521 --- Comment #14 from ctice at gcc dot gnu.org --- Author: ctice Date: Wed Aug 12 15:40:11 2015 New Revision: 226820 URL: https://gcc.gnu.org/viewcvs?rev=226820&root=gcc&view=rev Log: Fix warnings when bootstrapping on darwin with vtable verificat

[Bug other/67092] bootstrap failure in running genpreds, libstdc++ version mismatch

2015-08-12 Thread vries at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=67092 vries at gcc dot gnu.org changed: What|Removed |Added Status|WAITING |RESOLVED Resolution|--

[Bug other/67098] Documentation --with-stage1-ldflags does not mention default -static-libstdc++ -static-libgcc

2015-08-12 Thread vries at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=67098 vries at gcc dot gnu.org changed: What|Removed |Added Status|UNCONFIRMED |RESOLVED Resolution|--

[Bug other/67099] Documentation --with-host-libstdcxx is outdated, mentions ppl

2015-08-12 Thread vries at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=67099 vries at gcc dot gnu.org changed: What|Removed |Added Status|UNCONFIRMED |RESOLVED Resolution|--

[Bug other/67098] Documentation --with-stage1-ldflags does not mention default -static-libstdc++ -static-libgcc

2015-08-12 Thread vries at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=67098 --- Comment #2 from vries at gcc dot gnu.org --- Author: vries Date: Wed Aug 12 15:13:35 2015 New Revision: 226819 URL: https://gcc.gnu.org/viewcvs?rev=226819&root=gcc&view=rev Log: Remove --with-host-libstdcxx 2015-08-12 Tom de Vries

[Bug other/67092] bootstrap failure in running genpreds, libstdc++ version mismatch

2015-08-12 Thread vries at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=67092 --- Comment #15 from vries at gcc dot gnu.org --- Author: vries Date: Wed Aug 12 15:13:35 2015 New Revision: 226819 URL: https://gcc.gnu.org/viewcvs?rev=226819&root=gcc&view=rev Log: Remove --with-host-libstdcxx 2015-08-12 Tom de Vries

[Bug c++/49409] some possible new warnings for strange code

2015-08-12 Thread paolo.carlini at oracle dot com
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=49409 Paolo Carlini changed: What|Removed |Added CC||polacek at redhat dot com --- Comment #3

[Bug c++/49409] some possible new warnings for strange code

2015-08-12 Thread mpolacek at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=49409 Marek Polacek changed: What|Removed |Added CC||mpolacek at gcc dot gnu.org --- Comment

[Bug debug/67192] New: Backward-goto in loop can get wrong line number

2015-08-12 Thread arnez at linux dot vnet.ibm.com
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=67192 Bug ID: 67192 Summary: Backward-goto in loop can get wrong line number Product: gcc Version: 6.0 Status: UNCONFIRMED Severity: normal Priority: P3 Component: deb

[Bug c++/67108] [6 Regression] ICE: in cxx_eval_call_expression, at cp/constexpr.c:1345 when dumping

2015-08-12 Thread jason at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=67108 Jason Merrill changed: What|Removed |Added Status|NEW |ASSIGNED CC|

[Bug c++/47461] warn_unused_result attribute ignored for templates

2015-08-12 Thread paolo.carlini at oracle dot com
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=47461 Paolo Carlini changed: What|Removed |Added Status|NEW |RESOLVED Resolution|---

[Bug c++/47461] warn_unused_result attribute ignored for templates

2015-08-12 Thread paolo at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=47461 --- Comment #4 from paolo at gcc dot gnu.org --- Author: paolo Date: Wed Aug 12 14:47:58 2015 New Revision: 226816 URL: https://gcc.gnu.org/viewcvs?rev=226816&root=gcc&view=rev Log: 2015-08-12 Paolo Carlini PR c++/47461 * g++

[Bug tree-optimization/67191] [6 Regression] ICE: in before_dom_children, at tree-ssa-sccvn.c:4372

2015-08-12 Thread antoine.balestrat at gmail dot com
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=67191 Antoine Balestrat changed: What|Removed |Added CC||antoine.balestrat at gmail dot com

[Bug tree-optimization/67191] [6 Regression] ICE: in before_dom_children, at tree-ssa-sccvn.c:4372

2015-08-12 Thread trippels at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=67191 --- Comment #4 from Markus Trippelsdorf --- (In reply to Richard Biener from comment #3) > Oh, maybe just the reduced testcase no longer fails after r226814. Still fails on ppc64le after r226814. So a cross should reproduce this.

[Bug tree-optimization/67191] [6 Regression] ICE: in before_dom_children, at tree-ssa-sccvn.c:4372

2015-08-12 Thread rguenth at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=67191 --- Comment #3 from Richard Biener --- Oh, maybe just the reduced testcase no longer fails after r226814.

[Bug tree-optimization/67191] [6 Regression] ICE: in before_dom_children, at tree-ssa-sccvn.c:4372

2015-08-12 Thread rguenth at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=67191 Richard Biener changed: What|Removed |Added Status|NEW |ASSIGNED Assignee|unassigned

[Bug c++/67161] [5/6 Regression] ICE with a static_assert using our internal __not/__or/__and traits

2015-08-12 Thread jason at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=67161 Jason Merrill changed: What|Removed |Added Status|NEW |ASSIGNED CC|

[Bug fortran/35234] Undetected "use before definition".

2015-08-12 Thread manu at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=35234 Manuel López-Ibáñez changed: What|Removed |Added Status|RESOLVED|NEW Last reconfirmed|

[Bug tree-optimization/67191] [6 Regression] ICE: in before_dom_children, at tree-ssa-sccvn.c:4372

2015-08-12 Thread trippels at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=67191 Markus Trippelsdorf changed: What|Removed |Added Status|UNCONFIRMED |NEW Last reconfirmed|

[Bug c++/47461] warn_unused_result attribute ignored for templates

2015-08-12 Thread paolo.carlini at oracle dot com
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=47461 --- Comment #3 from Paolo Carlini --- Let's add a testcase and close the bug.

[Bug fortran/67170] PRE can't hoist out a readonly argument

2015-08-12 Thread rguenth at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=67170 --- Comment #3 from Richard Biener --- Ok, the argument may go like "foo (&D.3438) may not modify *arg_29(D) because then the fnspec on foo would be incorrect - *arg_29(D) would be modified". Untested patch (works for the testcase): Index: gcc/

[Bug other/67099] Documentation --with-host-libstdcxx is outdated, mentions ppl

2015-08-12 Thread vries at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=67099 --- Comment #2 from vries at gcc dot gnu.org --- If this ( https://gcc.gnu.org/ml/gcc-patches/2015-08/msg00603.html ) gets approved, --with-host-libstdcxx will be removed, and we can mark this as resolved-wont-fix.

[Bug other/67098] Documentation --with-stage1-ldflags does not mention default -static-libstdc++ -static-libgcc

2015-08-12 Thread vries at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=67098 vries at gcc dot gnu.org changed: What|Removed |Added Keywords||patch --- Comment #1 from vrie

[Bug other/67092] bootstrap failure in running genpreds, libstdc++ version mismatch

2015-08-12 Thread vries at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=67092 vries at gcc dot gnu.org changed: What|Removed |Added Keywords||patch --- Comment #14 from vri

[Bug c++/55095] Wshift-overflow

2015-08-12 Thread mpolacek at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=55095 --- Comment #18 from Marek Polacek --- Testing a fix for the sign bit problem.

[Bug c++/55095] Wshift-overflow

2015-08-12 Thread mpolacek at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=55095 Marek Polacek changed: What|Removed |Added Status|RESOLVED|REOPENED Resolution|FIXED

[Bug tree-optimization/67191] New: [6 Regression] ICE: in before_dom_children, at tree-ssa-sccvn.c:4372

2015-08-12 Thread trippels at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=67191 Bug ID: 67191 Summary: [6 Regression] ICE: in before_dom_children, at tree-ssa-sccvn.c:4372 Product: gcc Version: 6.0 Status: UNCONFIRMED Severity: normal

[Bug target/67127] [ARM] Avoiding odd-number ldrd/strd in movdi introduced a regression on armeb-linux-gnueabihf

2015-08-12 Thread yroux at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=67127 --- Comment #1 from Yvan Roux --- Author: yroux Date: Wed Aug 12 13:27:41 2015 New Revision: 226811 URL: https://gcc.gnu.org/viewcvs?rev=226811&root=gcc&view=rev Log: 2015-08-12 Yvan Roux PR target/67127 * config/arm/arm.md (

[Bug c++/63809] Missing warning on extra template

2015-08-12 Thread glisse at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=63809 Marc Glisse changed: What|Removed |Added CC||vanyacpp at gmail dot com --- Comment #1 f

[Bug target/29256] [4.9/5/6 regression] loop performance regression

2015-08-12 Thread wschmidt at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=29256 --- Comment #59 from Bill Schmidt --- (In reply to rguent...@suse.de from comment #57) > > It's been a long time since I've done SPEC measuring with/without > -funroll-loops (or/and -fpeel-loops). Note that these flags have > secondary effects

[Bug c++/67190] gcc allows extra template <> on explicit template specializations

2015-08-12 Thread glisse at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=67190 Marc Glisse changed: What|Removed |Added Status|UNCONFIRMED |RESOLVED Resolution|---

[Bug c/25702] feature request: generate a warning for sizeof on a pointer

2015-08-12 Thread meklund at cisco dot com
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=25702 --- Comment #11 from Mark Eklund --- -Wsizeof-pointer-memaccess is definitely a good targeted fix and probably hits a majority of what I've seen. I'm good with this being resolved.

[Bug c++/67190] New: gcc allows extra template <> on explicit template specializations

2015-08-12 Thread vanyacpp at gmail dot com
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=67190 Bug ID: 67190 Summary: gcc allows extra template <> on explicit template specializations Product: gcc Version: 5.2.0 Status: UNCONFIRMED Severity: normal

[Bug c/35694] Error about bad function argument isn't issued on the line of the argument but on the line where function ends

2015-08-12 Thread mpolacek at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=35694 Marek Polacek changed: What|Removed |Added Status|NEW |RESOLVED CC|

[Bug middle-end/10138] warn for uninitialized arrays passed as const* arguments

2015-08-12 Thread mpolacek at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=10138 Bug 10138 depends on bug 27120, which changed state. Bug 27120 Summary: Should warn about uninitialized use of variable array element https://gcc.gnu.org/bugzilla/show_bug.cgi?id=27120 What|Removed |Added --

[Bug c/27120] Should warn about uninitialized use of variable array element

2015-08-12 Thread mpolacek at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=27120 Marek Polacek changed: What|Removed |Added Status|NEW |RESOLVED CC|

[Bug middle-end/24639] [meta-bug] bug to track all Wuninitialized issues

2015-08-12 Thread mpolacek at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=24639 Bug 24639 depends on bug 27120, which changed state. Bug 27120 Summary: Should warn about uninitialized use of variable array element https://gcc.gnu.org/bugzilla/show_bug.cgi?id=27120 What|Removed |Added --

[Bug c/25702] feature request: generate a warning for sizeof on a pointer

2015-08-12 Thread mpolacek at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=25702 Marek Polacek changed: What|Removed |Added Status|NEW |RESOLVED CC|

[Bug c/65452] strcmp (foo, foo) could give a warning

2015-08-12 Thread mpolacek at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=65452 --- Comment #4 from Marek Polacek --- We now warn for the testcase in Comment 2.

[Bug c/55892] Bogus compiler warning

2015-08-12 Thread mpolacek at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=55892 Marek Polacek changed: What|Removed |Added Status|UNCONFIRMED |RESOLVED CC|

[Bug c++/65143] [C++11] missing devirtualization for virtual base in "final" classes

2015-08-12 Thread trippels at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=65143 Markus Trippelsdorf changed: What|Removed |Added CC||trippels at gcc dot gnu.org --- Co

[Bug c++/67184] Missed optimization with C++11 final specifier

2015-08-12 Thread trippels at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=67184 Markus Trippelsdorf changed: What|Removed |Added Status|NEW |RESOLVED Resolution|---

[Bug c++/65143] [C++11] missing devirtualization for virtual base in "final" classes

2015-08-12 Thread trippels at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=65143 Markus Trippelsdorf changed: What|Removed |Added CC||gpderetta at gmail dot com --- Com

[Bug c++/67184] Missed optimization with C++11 final specifier

2015-08-12 Thread paolo.carlini at oracle dot com
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=67184 Paolo Carlini changed: What|Removed |Added CC|gpderetta at gmail dot com | --- Comment #2 from Paolo Carlin

[Bug preprocessor/67132] gcc -D__WCHAR_TYPE__='unsigned int' should not complain about built-in types redefined

2015-08-12 Thread giacomo at tesio dot it
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=67132 --- Comment #4 from Giacomo Tesio --- Indeed, this is a request for an enhancement, not a bug report. I mean, being able to decide how gcc defines wchar_t is an enhancement, given the poor definition of such type in the standard. With -Wno-point

[Bug bootstrap/66801] [6 Regression] gcc miscompiled during PGO/LTO bootstrap

2015-08-12 Thread trippels at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=66801 Markus Trippelsdorf changed: What|Removed |Added Status|ASSIGNED|RESOLVED Resolution|---

[Bug bootstrap/66994] [6 Regression] ICE: Segmentation fault during bootstrap-O3

2015-08-12 Thread trippels at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=66994 Markus Trippelsdorf changed: What|Removed |Added Status|UNCONFIRMED |RESOLVED Resolution|---

[Bug c++/67183] Darwin stub vs. non_lazy pointer ordering incompatible with clang assembler.

2015-08-12 Thread jay.krell at cornell dot edu
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=67183 --- Comment #3 from Jay --- https://github.com/modula3/cm3/commit/14d5e667e19abaab679b52bc8fd35a4e38073330 is a simple patch against 4.7 that establishes a partial ordering, separating the indirect functions from the indirect data, and appears t

[Bug preprocessor/67132] gcc -D__WCHAR_TYPE__='unsigned int' should not complain about built-in types redefined

2015-08-12 Thread mpolacek at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=67132 Marek Polacek changed: What|Removed |Added Component|c |preprocessor --- Comment #3 from Marek P

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