[Bug tree-optimization/63406] -Warray-bounds false positive with -O3

2016-01-26 Thread mpolacek at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=63406 Marek Polacek changed: What|Removed |Added Status|UNCONFIRMED |RESOLVED CC|

[Bug bootstrap/69506] check-in 232454 seems to cause problems with cygwin builds

2016-01-26 Thread rogero at howzatt dot demon.co.uk
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69506 --- Comment #1 from Roger Orr --- See also http://permalink.gmane.org/gmane.os.cygwin/156987

[Bug bootstrap/69506] New: check-in 232454 seems to cause problems with cygwin builds

2016-01-26 Thread rogero at howzatt dot demon.co.uk
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69506 Bug ID: 69506 Summary: check-in 232454 seems to cause problems with cygwin builds Product: gcc Version: 6.0 Status: UNCONFIRMED Severity: normal Prior

[Bug c/69507] New: bogus warning: ISO C does not allow ‘__alignof__ (expression)’

2016-01-26 Thread msebor at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69507 Bug ID: 69507 Summary: bogus warning: ISO C does not allow ‘__alignof__ (expression)’ Product: gcc Version: 6.0 Status: UNCONFIRMED Severity: normal P

[Bug c/69507] bogus warning: ISO C does not allow ‘__alignof__ (expression)’

2016-01-26 Thread msebor at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69507 Martin Sebor changed: What|Removed |Added Keywords||diagnostic Severity|normal

[Bug target/69503] SIGFPE raised when mixing std::async with cilk

2016-01-26 Thread pinskia at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69503 Andrew Pinski changed: What|Removed |Added Target||x86_64-*-darwin Component|other

[Bug c/69507] bogus warning: ISO C does not allow ‘__alignof__ (expression)’

2016-01-26 Thread pinskia at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69507 --- Comment #1 from Andrew Pinski --- I don't think this is a bogus warning. -pedantic turns off all of GCC extensions including __attribute__ and asm support IIRC.

[Bug c/69507] bogus warning: ISO C does not allow ‘__alignof__ (expression)’

2016-01-26 Thread msebor at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69507 --- Comment #2 from Martin Sebor --- The manual says this about -Wpedantic: -Wpedantic does not cause warning messages for use of the alternate keywords whose names begin and end with '__'. GCC accepts without a warning many extensions in ped

[Bug sanitizer/69508] New: Undefined Behavior Sanitizer __ubsan_handle_load_invalid_value reports invalid load with wrong value

2016-01-26 Thread chris.bainbridge at gmail dot com
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69508 Bug ID: 69508 Summary: Undefined Behavior Sanitizer __ubsan_handle_load_invalid_value reports invalid load with wrong value Product: gcc Version: 5.3.0

[Bug fortran/69268] [5 Regression] Sourced allocation calls function twice

2016-01-26 Thread townsend at astro dot wisc.edu
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69268 --- Comment #3 from Rich Townsend --- Proposed patch appears to work in the real-world case I'm focused on. Thanks!

[Bug sanitizer/69508] Undefined Behavior Sanitizer __ubsan_handle_load_invalid_value reports invalid load with wrong value

2016-01-26 Thread pinskia at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69508 --- Comment #1 from Andrew Pinski --- Can you provide the preprocessed source?

[Bug target/69299] [6 Regression] -mavx performance degradation with r232088

2016-01-26 Thread vmakarov at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69299 --- Comment #7 from Vladimir Makarov --- (In reply to Jakub Jelinek from comment #3) > Maybe we really need to have two types of memory > constraints, ones which can be worst case always satisfied by reloading > their address into an address regi

[Bug c/69507] bogus warning: ISO C does not allow ‘__alignof__ (expression)’

2016-01-26 Thread msebor at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69507 Martin Sebor changed: What|Removed |Added Status|UNCONFIRMED |ASSIGNED Last reconfirmed|

[Bug tree-optimization/69466] [6 Regression] ICE: Invalid PHI argument after vectorization (on -O2)

2016-01-26 Thread aoliva at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69466 Alexandre Oliva changed: What|Removed |Added Status|NEW |ASSIGNED CC|

[Bug c++/69509] New: infinite loop compiling a VLA in a recursive constexpr function

2016-01-26 Thread msebor at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69509 Bug ID: 69509 Summary: infinite loop compiling a VLA in a recursive constexpr function Product: gcc Version: 6.0 Status: UNCONFIRMED Severity: normal

[Bug rtl-optimization/69447] [5/6 Regression] wrong code with -O2 -fno-schedule-insns and mixed 8/16/32/64bit arithmetics @ armv7a

2016-01-26 Thread rth at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69447 Richard Henderson changed: What|Removed |Added Status|NEW |ASSIGNED --- Comment #8 from Richard

[Bug c/69507] bogus warning: ISO C does not allow ‘__alignof__ (expression)’

2016-01-26 Thread msebor at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69507 --- Comment #4 from Martin Sebor --- Created attachment 37483 --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=37483&action=edit Proposed patch. Attaching a proposed patch tested on x86_64-linux. Since GCC is in stage 4 (regression fixes on

[Bug rtl-optimization/69447] [5/6 Regression] wrong code with -O2 -fno-schedule-insns and mixed 8/16/32/64bit arithmetics @ armv7a

2016-01-26 Thread rth at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69447 --- Comment #9 from Richard Henderson --- Created attachment 37484 --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=37484&action=edit proposed patch Fixes the test case, in that it prevents the remat. Starting overnight bootstraps for armv7

[Bug fortran/69484] [5/6 Regression] documentation issue: -Wtabs and -Wall

2016-01-26 Thread pinskia at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69484 Andrew Pinski changed: What|Removed |Added Target Milestone|--- |5.4

[Bug tree-optimization/69399] [5/6 Regression] wrong code with -O and int128

2016-01-26 Thread pinskia at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69399 Andrew Pinski changed: What|Removed |Added Target Milestone|--- |5.4

[Bug fortran/69268] [5 Regression] Sourced allocation calls function twice

2016-01-26 Thread pinskia at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69268 Andrew Pinski changed: What|Removed |Added Keywords||wrong-code Status|WAITING

[Bug tree-optimization/57315] LTO and/or vectorizer performance regression on salsa20 core, 4.7->4.8

2016-01-26 Thread pinskia at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=57315 Andrew Pinski changed: What|Removed |Added Status|UNCONFIRMED |RESOLVED Resolution|---

[Bug c++/69510] New: segfault in write_template_prefix while compiling C++ template code

2016-01-26 Thread vapier at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69510 Bug ID: 69510 Summary: segfault in write_template_prefix while compiling C++ template code Product: gcc Version: unknown Status: UNCONFIRMED Severity: normal

[Bug c++/69510] segfault in write_template_prefix while compiling C++ template code

2016-01-26 Thread vapier at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69510 Mike Frysinger changed: What|Removed |Added Known to work||4.7.4, 4.8.5 Version|unknown

[Bug tree-optimization/69336] Constant value not detected

2016-01-26 Thread vogt at linux dot vnet.ibm.com
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69336 Dominik Vogt changed: What|Removed |Added CC||vogt at linux dot vnet.ibm.com --- Commen

[Bug tree-optimization/69347] [6 regression] excessive compile time with -O2

2016-01-26 Thread law at redhat dot com
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69347 Jeffrey A. Law changed: What|Removed |Added Status|REOPENED|RESOLVED Resolution|---

[Bug c++/69510] segfault in write_template_prefix while compiling C++ template code

2016-01-26 Thread trippels at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69510 Markus Trippelsdorf changed: What|Removed |Added Status|UNCONFIRMED |RESOLVED CC|

[Bug c++/67337] [4.9/5 Regression] Segmentation fault on a template class

2016-01-26 Thread trippels at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=67337 Markus Trippelsdorf changed: What|Removed |Added CC||vapier at gcc dot gnu.org --- Comm

[Bug rtl-optimization/69482] Writing through pointers to volatile not always preserved

2016-01-26 Thread wipedout at yandex dot ru
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69482 --- Comment #4 from wipedout at yandex dot ru --- Okay, suppose we have the following scenario. There's a third party library with an encryption function like this: void encrypt( void* data, void* key ); That function is compiled into as a s

[Bug target/60818] ICE in validate_condition_mode on powerpc-e500v2-linux-gnuspe

2016-01-26 Thread asolokha at gmx dot com
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=60818 Arseny Solokha changed: What|Removed |Added Target|powerpc-e500v2-linux-gnuspe |powerpc-e500v2-linux-gnuspe

[Bug lto/69408] LD crashes with LTO

2016-01-26 Thread ubizjak at gmail dot com
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69408 Uroš Bizjak changed: What|Removed |Added CC||ubizjak at gmail dot com --- Comment #5 fr

[Bug target/66655] [5/6 Regression] miscompilation due to ipa-ra on MinGW

2016-01-26 Thread rai...@emrich-ebersheim.de
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=66655 --- Comment #25 from Rainer Emrich --- I'm testing rev. 232815, proposed patch applied, on x86_64-w64-mingw32 atm. Will take some time.

[Bug tree-optimization/69483] New: gcc ICE on x86_64-linux-gnu with "expected class 'type', have 'exceptional' (error_mark) in useless_type_conversion_p"

2016-01-26 Thread helloqirun at gmail dot com
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69483 Bug ID: 69483 Summary: gcc ICE on x86_64-linux-gnu with "expected class 'type', have 'exceptional' (error_mark) in useless_type_conversion_p" Product: gcc Version

[Bug target/66655] [5/6 Regression] miscompilation due to ipa-ra on MinGW

2016-01-26 Thread nickc at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=66655 --- Comment #26 from Nick Clifton --- Hi Roger, > I've tried the patch (applied to 232400 as trunk seems to have other > problems on cygwin) and the build now completes successfully. Including libstdc++-v3 ? > Additionally, the test case no lo

[Bug tree-optimization/69483] [6 Regression] gcc ICE on x86_64-linux-gnu with "expected class 'type', have 'exceptional' (error_mark) in useless_type_conversion_p"

2016-01-26 Thread jakub at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69483 Jakub Jelinek changed: What|Removed |Added Status|UNCONFIRMED |NEW Last reconfirmed|

[Bug tree-optimization/69400] [5/6 Regression] wrong code with -O and int128

2016-01-26 Thread rsandifo at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69400 --- Comment #10 from rsandifo at gcc dot gnu.org --- Author: rsandifo Date: Tue Jan 26 09:53:33 2016 New Revision: 232817 URL: https://gcc.gnu.org/viewcvs?rev=232817&root=gcc&view=rev Log: PR 69400: Invalid 128-bit modulus result As described

[Bug tree-optimization/69400] [5 Regression] wrong code with -O and int128

2016-01-26 Thread jakub at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69400 Jakub Jelinek changed: What|Removed |Added Summary|[5/6 Regression] wrong code |[5 Regression] wrong code

[Bug lto/69408] LD crashes with LTO

2016-01-26 Thread marxin at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69408 --- Comment #6 from Martin Liška --- (In reply to night_ghost from comment #4) > I can attach script which GCC has been built, and ZIP of the project tree > which cause crash. Hi. That would be beneficial!

[Bug target/67896] Inconsistent behaviour between C and C++ for types poly8x8_t and poly16x8_t

2016-01-26 Thread jgreenhalgh at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=67896 --- Comment #3 from James Greenhalgh --- Author: jgreenhalgh Date: Tue Jan 26 10:04:46 2016 New Revision: 232818 URL: https://gcc.gnu.org/viewcvs?rev=232818&root=gcc&view=rev Log: [PATCH] Do not set structural equality on polynomial types gcc/C

[Bug tree-optimization/69483] [6 Regression] gcc ICE on x86_64-linux-gnu with "expected class 'type', have 'exceptional' (error_mark) in useless_type_conversion_p"

2016-01-26 Thread jakub at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69483 Jakub Jelinek changed: What|Removed |Added Status|NEW |ASSIGNED Assignee|unassigned a

[Bug middle-end/69454] [6 Regression] ix86_expand_prologue internal compiler error: Segmentation fault

2016-01-26 Thread ienkovich at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69454 --- Comment #13 from Ilya Enkovich --- (In reply to Jakub Jelinek from comment #5) > Already during the expansion TARGET_STV makes quite a big difference, won't > just disabling the stv pass cause performance regression to -mno-stv? There is a di

[Bug middle-end/67295] [ARM][6 Regression] FAIL: gcc.target/arm/builtin-bswap-1.c scan-assembler-times revshne\\t 1

2016-01-26 Thread ktkachov at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=67295 --- Comment #13 from ktkachov at gcc dot gnu.org --- We can look at the impact of enabling ree for arm for GCC 7 then.

[Bug fortran/69484] New: documentation issue: -Wtabs and -Wall

2016-01-26 Thread janus at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69484 Bug ID: 69484 Summary: documentation issue: -Wtabs and -Wall Product: gcc Version: 6.0 Status: UNCONFIRMED Severity: normal Priority: P3 Component: fortran

[Bug target/69442] [6 Regression] wrong code with -Og and 64bit modulo @ armv7a

2016-01-26 Thread jakub at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69442 --- Comment #12 from Jakub Jelinek --- Author: jakub Date: Tue Jan 26 11:12:03 2016 New Revision: 232819 URL: https://gcc.gnu.org/viewcvs?rev=232819&root=gcc&view=rev Log: PR target/69442 * combine.c (combine_instructions): For R

[Bug libstdc++/69478] [4.9/5/6 Regression] std::copy/std::move broken with trivial move-only types

2016-01-26 Thread redi at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69478 Jonathan Wakely changed: What|Removed |Added Keywords||rejects-valid Status|UNCON

[Bug fortran/69484] [5/6 Regression] documentation issue: -Wtabs and -Wall

2016-01-26 Thread janus at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69484 janus at gcc dot gnu.org changed: What|Removed |Added Summary|documentation issue: -Wtabs |[5/6 Regression]

[Bug libstdc++/69478] [4.9/5/6 Regression] std::copy/std::move broken with trivial move-only types

2016-01-26 Thread redi at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69478 Jonathan Wakely changed: What|Removed |Added Status|NEW |ASSIGNED Assignee|unassigned

[Bug middle-end/69454] [6 Regression] ix86_expand_prologue internal compiler error: Segmentation fault

2016-01-26 Thread jakub at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69454 --- Comment #14 from Jakub Jelinek --- Have you tried H.J's patch? If I understand it right, IMHO at least the *mov_internal changes look desirable to me after the recent changes where misaligned_operand matters even for pre-AVX, and the result

[Bug fortran/69485] New: oddity with -Wtabs

2016-01-26 Thread janus at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69485 Bug ID: 69485 Summary: oddity with -Wtabs Product: gcc Version: 5.2.1 Status: UNCONFIRMED Severity: normal Priority: P3 Component: fortran Assignee: un

[Bug rtl-optimization/69482] Writing through pointers to volatile not always preserved

2016-01-26 Thread rguenth at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69482 Richard Biener changed: What|Removed |Added Status|UNCONFIRMED |NEW Last reconfirmed|

[Bug target/69442] [6 Regression] wrong code with -Og and 64bit modulo @ armv7a

2016-01-26 Thread jakub at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69442 Jakub Jelinek changed: What|Removed |Added Status|NEW |RESOLVED Resolution|---

[Bug libstdc++/69478] [4.9/5/6 Regression] std::copy/std::move broken with trivial move-only types

2016-01-26 Thread rguenth at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69478 Richard Biener changed: What|Removed |Added Target Milestone|--- |4.9.4

[Bug tree-optimization/68654] [6 Regression] CoreMark Pro performance degradation

2016-01-26 Thread rguenth at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=68654 Richard Biener changed: What|Removed |Added Keywords||missed-optimization Status|

[Bug tree-optimization/68654] [6 Regression] CoreMark Pro performance degradation

2016-01-26 Thread rguenth at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=68654 Richard Biener changed: What|Removed |Added CC||rguenth at gcc dot gnu.org --- Comment

[Bug middle-end/69454] [6 Regression] ix86_expand_prologue internal compiler error: Segmentation fault

2016-01-26 Thread ienkovich at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69454 --- Comment #15 from Ilya Enkovich --- (In reply to Jakub Jelinek from comment #14) > Have you tried H.J's patch? If I understand it right, IMHO at least the > *mov_internal changes look desirable to me after the recent changes > where misaligne

[Bug ada/69476] accept size clause for 2-level discriminated record types with fixed sizes

2016-01-26 Thread ebotcazou at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69476 Eric Botcazou changed: What|Removed |Added Status|UNCONFIRMED |NEW Last reconfirmed|

[Bug middle-end/69454] [6 Regression] ix86_expand_prologue internal compiler error: Segmentation fault

2016-01-26 Thread jakub at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69454 --- Comment #16 from Jakub Jelinek --- But it is for a relatively uncommon case (-mpreferred-stack-boundary lower than default) and furthermore, you need to have something spilled to trigger it. Hopefully the most commonly used regs in loops wil

[Bug tree-optimization/69452] [6 Regression] gcc ICE at -O3 on x86_64-linux-gnu in with verify_ssa failed

2016-01-26 Thread rguenth at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69452 Richard Biener changed: What|Removed |Added Status|ASSIGNED|RESOLVED Resolution|---

[Bug tree-optimization/69452] [6 Regression] gcc ICE at -O3 on x86_64-linux-gnu in with verify_ssa failed

2016-01-26 Thread rguenth at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69452 --- Comment #6 from Richard Biener --- Author: rguenth Date: Tue Jan 26 11:51:01 2016 New Revision: 232820 URL: https://gcc.gnu.org/viewcvs?rev=232820&root=gcc&view=rev Log: 2016-01-26 Richard Biener PR tree-optimization/69452

[Bug tree-optimization/69467] [6 Regression] Pattern X * C1 CMP 0 to X CMP 0 causes performance drop on 32-bit x86.

2016-01-26 Thread rguenth at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69467 Richard Biener changed: What|Removed |Added Status|ASSIGNED|RESOLVED Resolution|---

[Bug tree-optimization/69467] [6 Regression] Pattern X * C1 CMP 0 to X CMP 0 causes performance drop on 32-bit x86.

2016-01-26 Thread rguenth at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69467 --- Comment #5 from Richard Biener --- Author: rguenth Date: Tue Jan 26 12:05:22 2016 New Revision: 232821 URL: https://gcc.gnu.org/viewcvs?rev=232821&root=gcc&view=rev Log: 2016-01-26 Richard Biener PR middle-end/69467 * mat

[Bug target/69471] "-march=native" unintentionally breaks further -march/-mtune flags

2016-01-26 Thread wavexx at thregr dot org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69471 --- Comment #4 from wavexx at thregr dot org --- Since I couldn't find documentation for it either, doesn't -march=haswell by itself imply all associated ISA features? If so, why -march=native expands to all individual features explicitly?

[Bug fortran/69268] [5 Regression] Sourced allocation calls function twice

2016-01-26 Thread vehre at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69268 vehre at gcc dot gnu.org changed: What|Removed |Added Status|NEW |ASSIGNED Assignee|un

[Bug libstdc++/69486] New: Strange behaviour of bitset and c++11

2016-01-26 Thread boris at dolgov dot name
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69486 Bug ID: 69486 Summary: Strange behaviour of bitset and c++11 Product: gcc Version: 4.9.2 Status: UNCONFIRMED Severity: normal Priority: P3 Component: libstdc++

[Bug fortran/69268] [5 Regression] Sourced allocation calls function twice

2016-01-26 Thread vehre at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69268 vehre at gcc dot gnu.org changed: What|Removed |Added Status|ASSIGNED|WAITING --- Comment #2 from ve

[Bug tree-optimization/68654] [6 Regression] CoreMark Pro performance degradation

2016-01-26 Thread rguenth at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=68654 --- Comment #16 from Richard Biener --- Created attachment 37474 --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=37474&action=edit patch for SSA name management This patch changes SSA name freelist management to keep the freelist sorted and

[Bug target/68662] [6 regression] FAIL: gcc.dg/lto/20090210 c_lto_20090210_0.o-c_lto_20090210_1.o link, -O2 -flto -flto-partition=none -fuse-linker-plugin -fno-fat-lto-objects

2016-01-26 Thread jakub at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=68662 Jakub Jelinek changed: What|Removed |Added CC||jakub at gcc dot gnu.org --- Comment #4

[Bug rtl-optimization/69052] [6 Regression] Performance regression after r229402.

2016-01-26 Thread ienkovich at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69052 Ilya Enkovich changed: What|Removed |Added CC||ienkovich at gcc dot gnu.org --- Comment

[Bug target/68986] [5/6 Regression] internal compiler error: Segmentation fault

2016-01-26 Thread hjl at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=68986 --- Comment #16 from hjl at gcc dot gnu.org --- Author: hjl Date: Tue Jan 26 12:51:07 2016 New Revision: 232825 URL: https://gcc.gnu.org/viewcvs?rev=232825&root=gcc&view=rev Log: Update stack alignment in ix86_update_stack_boundary Stack alignm

[Bug rtl-optimization/69482] Writing through pointers to volatile not always preserved

2016-01-26 Thread wipedout at yandex dot ru
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69482 wipedout at yandex dot ru changed: What|Removed |Added CC||wipedout at yandex dot ru ---

[Bug target/68986] [5 Regression] internal compiler error: Segmentation fault

2016-01-26 Thread hjl.tools at gmail dot com
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=68986 H.J. Lu changed: What|Removed |Added Summary|[5/6 Regression] internal |[5 Regression] internal |com

[Bug lto/69254] [6 Regression] ICE in streamer_get_builtin_tree when using -fsanitize=shift on the compile side only

2016-01-26 Thread jakub at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69254 --- Comment #16 from Jakub Jelinek --- Author: jakub Date: Tue Jan 26 13:01:44 2016 New Revision: 232826 URL: https://gcc.gnu.org/viewcvs?rev=232826&root=gcc&view=rev Log: PR lto/69254 * opts.h (parse_sanitizer_options): New prot

[Bug middle-end/69454] [6 Regression] ix86_expand_prologue internal compiler error: Segmentation fault

2016-01-26 Thread hjl.tools at gmail dot com
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69454 --- Comment #17 from H.J. Lu --- (In reply to Ilya Enkovich from comment #15) > (In reply to Jakub Jelinek from comment #14) > > Have you tried H.J's patch? If I understand it right, IMHO at least the > > *mov_internal changes look desirable to

[Bug middle-end/69454] [6 Regression] ix86_expand_prologue internal compiler error: Segmentation fault

2016-01-26 Thread hjl.tools at gmail dot com
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69454 --- Comment #18 from H.J. Lu --- (In reply to H.J. Lu from comment #17) > > Do you have a testcase to show that you need to realign stack for STV? You can keep track alignment requirement in STV and replace /* Conversion means we may have 128

[Bug fortran/62536] ICE (segfault) for invalid END BLOCK statement

2016-01-26 Thread vehre at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=62536 vehre at gcc dot gnu.org changed: What|Removed |Added Status|REOPENED|ASSIGNED Assignee|un

[Bug middle-end/69454] [6 Regression] ix86_expand_prologue internal compiler error: Segmentation fault

2016-01-26 Thread ienkovich at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69454 --- Comment #19 from Ilya Enkovich --- (In reply to H.J. Lu from comment #17) > Do you have a testcase to show that you need to realign stack for STV? Reproducer for this tracker is such test, right?

[Bug rtl-optimization/44281] [4.9/5/6 Regression] Global Register variable pessimisation

2016-01-26 Thread bernds at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=44281 Bernd Schmidt changed: What|Removed |Added CC||bernds at gcc dot gnu.org --- Comment #2

[Bug middle-end/69454] [6 Regression] ix86_expand_prologue internal compiler error: Segmentation fault

2016-01-26 Thread hjl.tools at gmail dot com
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69454 --- Comment #20 from H.J. Lu --- (In reply to Ilya Enkovich from comment #19) > (In reply to H.J. Lu from comment #17) > > Do you have a testcase to show that you need to realign stack for STV? > > Reproducer for this tracker is such test, right

[Bug c++/69487] New: Unexpected VLA initialization of char[] from ""

2016-01-26 Thread rogero at howzatt dot demon.co.uk
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69487 Bug ID: 69487 Summary: Unexpected VLA initialization of char[] from "" Product: gcc Version: 6.0 Status: UNCONFIRMED Severity: normal Priority: P3 Component: c++

[Bug target/60410] [4.9/5/6 Regression] -fshort-double ICEs x86_64

2016-01-26 Thread bernds at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=60410 Bernd Schmidt changed: What|Removed |Added CC||bernds at gcc dot gnu.org Assi

[Bug tree-optimization/45216] Rotate expressions not recognized at tree level

2016-01-26 Thread bernds at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=45216 --- Comment #12 from Bernd Schmidt --- It looks like a patch was committed - can this be closed?

[Bug fortran/69485] oddity with -Wtabs

2016-01-26 Thread manu at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69485 Manuel López-Ibáñez changed: What|Removed |Added CC||manu at gcc dot gnu.org --- Commen

[Bug middle-end/69454] [6 Regression] ix86_expand_prologue internal compiler error: Segmentation fault

2016-01-26 Thread hjl.tools at gmail dot com
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69454 --- Comment #21 from H.J. Lu --- (In reply to H.J. Lu from comment #20) > (In reply to Ilya Enkovich from comment #19) > > (In reply to H.J. Lu from comment #17) > > > Do you have a testcase to show that you need to realign stack for STV? > > >

[Bug target/67896] Inconsistent behaviour between C and C++ for types poly8x8_t and poly16x8_t

2016-01-26 Thread ktkachov at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=67896 ktkachov at gcc dot gnu.org changed: What|Removed |Added CC||ktkachov at gcc dot gnu.org

[Bug target/66655] [5/6 Regression] miscompilation due to ipa-ra on MinGW

2016-01-26 Thread rai...@emrich-ebersheim.de
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=66655 --- Comment #27 from Rainer Emrich --- -BEGIN PGP SIGNED MESSAGE- Hash: SHA256 Am 26.01.2016 um 10:30 schrieb nickc at gcc dot gnu.org: > https://gcc.gnu.org/bugzilla/show_bug.cgi?id=66655 > > --- Comment #26 from Nick Clifton --- Hi >

[Bug tree-optimization/45216] Rotate expressions not recognized at tree level

2016-01-26 Thread jakub at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=45216 Jakub Jelinek changed: What|Removed |Added Status|NEW |RESOLVED Resolution|---

[Bug tree-optimization/68654] [6 Regression] CoreMark Pro performance degradation

2016-01-26 Thread afomin.mailbox at gmail dot com
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=68654 --- Comment #17 from Alexander Fomin --- Unfortunately, it doesn't. Moreover, it causes another perf loss (about 1.2%).

[Bug rtl-optimization/69052] [6 Regression] Performance regression after r229402.

2016-01-26 Thread amker at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69052 --- Comment #7 from amker at gcc dot gnu.org --- (In reply to Ilya Enkovich from comment #6) > (In reply to amker from comment #5) > > Not sure if stage4 is a good time for a new hook either. > > > > Any ideas? > > We can try to improve i386 add

[Bug middle-end/69454] [6 Regression] ix86_expand_prologue internal compiler error: Segmentation fault

2016-01-26 Thread ienkovich at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69454 --- Comment #22 from Ilya Enkovich --- (In reply to H.J. Lu from comment #21) > In another word, STV needs 128-bit aligned stack only when it generates > 12-bit vector instructions. STV never generates such instructions. But RA may spill SSE re

[Bug libstdc++/65434] Memory leak in pool constructor

2016-01-26 Thread emil.styrke at gmail dot com
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=65434 Emil Styrke changed: What|Removed |Added CC||emil.styrke at gmail dot com --- Comment #

[Bug target/68662] [6 regression] FAIL: gcc.dg/lto/20090210 c_lto_20090210_0.o-c_lto_20090210_1.o link, -O2 -flto -flto-partition=none -fuse-linker-plugin -fno-fat-lto-objects

2016-01-26 Thread dje at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=68662 --- Comment #5 from David Edelsohn --- Unconditionally generating toc_label_name is okay with me, but I thought that Alan commented it was not sufficient in Comment #2.

[Bug middle-end/69454] [6 Regression] ix86_expand_prologue internal compiler error: Segmentation fault

2016-01-26 Thread hjl.tools at gmail dot com
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69454 --- Comment #23 from H.J. Lu --- (In reply to Ilya Enkovich from comment #22) > (In reply to H.J. Lu from comment #21) > > In another word, STV needs 128-bit aligned stack only when it generates > > 12-bit vector instructions. > > STV never gene

[Bug c++/69487] Unexpected VLA initialization of char[] from ""

2016-01-26 Thread redi at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69487 Jonathan Wakely changed: What|Removed |Added Keywords||wrong-code Status|UNCONFIR

[Bug c/28901] -Wunused-variable ignores unused const initialised variables

2016-01-26 Thread gang.chen.5i5j at gmail dot com
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=28901 --- Comment #19 from Chen Gang --- I build linux kernel with allyesconfig under x86_64 for linux-next tree 20160122. I can find some related cases for BUG28901 (but they are not quite much), one case is below: CC drivers/acpi/sbshc.o In f

[Bug middle-end/69454] [6 Regression] ix86_expand_prologue internal compiler error: Segmentation fault

2016-01-26 Thread ienkovich at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69454 --- Comment #24 from Ilya Enkovich --- (In reply to H.J. Lu from comment #23) > (In reply to Ilya Enkovich from comment #22) > > (In reply to H.J. Lu from comment #21) > > > In another word, STV needs 128-bit aligned stack only when it generates

[Bug target/66655] [5/6 Regression] miscompilation due to ipa-ra on MinGW

2016-01-26 Thread nickc at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=66655 --- Comment #28 from Nick Clifton --- Author: nickc Date: Tue Jan 26 14:02:11 2016 New Revision: 232828 URL: https://gcc.gnu.org/viewcvs?rev=232828&root=gcc&view=rev Log: PR target/66655 * config/i386/winnt.c (i386_pe_binds_local

[Bug c/28901] -Wunused-variable ignores unused const initialised variables

2016-01-26 Thread gang.chen.5i5j at gmail dot com
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=28901 --- Comment #20 from Chen Gang --- (In reply to Chen Gang from comment #19) > I build linux kernel with allyesconfig under x86_64 for linux-next tree > 20160122. I can find some related cases for BUG28901 (but they are not quite > much), one case

[Bug target/66655] [5/6 Regression] miscompilation due to ipa-ra on MinGW

2016-01-26 Thread nickc at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=66655 Nick Clifton changed: What|Removed |Added Status|REOPENED|RESOLVED Resolution|---

[Bug libstdc++/69486] Strange behaviour of bitset and c++11

2016-01-26 Thread redi at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69486 Jonathan Wakely changed: What|Removed |Added Status|UNCONFIRMED |WAITING Last reconfirmed|

[Bug target/66655] [5/6 Regression] miscompilation due to ipa-ra on MinGW

2016-01-26 Thread amonakov at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=66655 --- Comment #30 from Alexander Monakov --- Nick, can you please post the patch to gcc-patches too, to avoid confusing future people who wouldn't be able to find the explanation of the patch in the archives? (did you get approval for this patch o

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