[Bug tree-optimization/100363] gcc generating wider load/store than warranted at -O3

2021-05-04 Thread rguenther at suse dot de via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=100363 --- Comment #19 from rguenther at suse dot de --- On Tue, 4 May 2021, vgupta at synopsys dot com wrote: > https://gcc.gnu.org/bugzilla/show_bug.cgi?id=100363 > > --- Comment #18 from Vineet Gupta --- > (In reply to Richard Biener from comment

[Bug testsuite/100422] [12 regression] g++.dg/gomp/clause-3.C fails after r12-438

2021-05-04 Thread rguenth at gcc dot gnu.org via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=100422 Richard Biener changed: What|Removed |Added Keywords||openmp Target Milestone|---

[Bug target/100418] [12 Regression][gcn] since r12-397 bootstrap fails: error: unrecognizable insn: in extract_insn, at recog.c:2770

2021-05-04 Thread rguenth at gcc dot gnu.org via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=100418 --- Comment #3 from Richard Biener --- I suspect the RTL generation in builtins.c is off somehow. Can you trace the insn to one of those?

[Bug c/94669] libcc1: 4 * minor performance problem

2021-05-04 Thread cvs-commit at gcc dot gnu.org via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=94669 --- Comment #6 from CVS Commits --- The master branch has been updated by Tom Tromey : https://gcc.gnu.org/g:96deddca2e535d09db1d244a96a1efc20e24b673 commit r12-473-g96deddca2e535d09db1d244a96a1efc20e24b673 Author: Tom Tromey Date: Tue May 4

[Bug libstdc++/100427] canadian compile for mingw-w64 copies the wrong dlls for mingw-w64 multilibs

2021-05-04 Thread unlvsur at live dot com via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=100427 --- Comment #3 from cqwrteur --- Created attachment 50755 --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=50755&action=edit config.log config log file

[Bug libstdc++/100427] canadian compile for mingw-w64 copies the wrong dlls for mingw-w64 multilibs

2021-05-04 Thread unlvsur at live dot com via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=100427 --- Comment #2 from cqwrteur --- about gcc itself. since gcc is compiled with -static-libgcc -static-libstdc++, it should not be a problem tbh.

[Bug libstdc++/100427] canadian compile for mingw-w64 copies the wrong dlls for mingw-w64 multilibs

2021-05-04 Thread unlvsur at live dot com via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=100427 --- Comment #1 from cqwrteur --- I think this is probably the reason why I got the last error, because canadian cross toolchains install the wrong multilibs for dlls. I personally suggest libstdc++-6.dll should install in /lib just like Linux o

[Bug libstdc++/100427] New: canadian compile for mingw-w64 copies the wrong dlls for mingw-w64 multilibs

2021-05-04 Thread unlvsur at live dot com via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=100427 Bug ID: 100427 Summary: canadian compile for mingw-w64 copies the wrong dlls for mingw-w64 multilibs Product: gcc Version: 12.0 Status: UNCONFIRMED Severity: n

[Bug target/100411] [11 regression] bootstrap failure on 64-bit Windows with --with-tune=nocona

2021-05-04 Thread lh_mouse at 126 dot com via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=100411 --- Comment #6 from Liu Hao --- Thanks for the quick fix. It has resolved this issue on my setup.

[Bug target/100402] [10.3 regression] crash with setjmp/longjmp and SEH

2021-05-04 Thread ebotcazou at gcc dot gnu.org via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=100402 --- Comment #10 from Eric Botcazou --- Created attachment 50754 --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=50754&action=edit Tentative fix Please give it a try if you can rebuild the compiler.

[Bug target/100402] [10.3 regression] crash with setjmp/longjmp and SEH

2021-05-04 Thread ebotcazou at gcc dot gnu.org via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=100402 Eric Botcazou changed: What|Removed |Added Status|NEW |ASSIGNED Assignee|unassigned

[Bug target/100402] [10.3 regression] crash with setjmp/longjmp and SEH

2021-05-04 Thread ebotcazou at gcc dot gnu.org via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=100402 Eric Botcazou changed: What|Removed |Added Target Milestone|--- |10.4 Summary|Crash in longjm

[Bug target/100402] Crash in longjmp

2021-05-04 Thread ebotcazou at gcc dot gnu.org via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=100402 Eric Botcazou changed: What|Removed |Added Status|WAITING |NEW --- Comment #8 from Eric Botcazou

[Bug c++/99686] ICE when using both concepts and full specialization

2021-05-04 Thread StevenSun2021 at hotmail dot com via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=99686 --- Comment #6 from Steven Sun --- While in C++20, the complier thinks it's unnecessary to instatiate a new template. Just use the full specialization! Thus, this bug wouldn't exist at first place. Intuitively, I am in favor of the compiler's C+

[Bug c++/99686] ICE when using both concepts and full specialization

2021-05-04 Thread StevenSun2021 at hotmail dot com via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=99686 --- Comment #5 from Steven Sun --- I learn a little about gcc recently. I think I got a vague idea of what's going on inside. In c++17 mode with concepts, and with my code in comment 1. The compiler decides to instantiate from the concept const

[Bug bootstrap/100373] [12 Regression] Darwin, Compare-debug fail after r12-248-gb58dc0b803057

2021-05-04 Thread iains at gcc dot gnu.org via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=100373 --- Comment #7 from Iain Sandoe --- of course, this could be exposing some prexisting problem (but i did check that the previous revision did not show the problem). -fno-ipa-ra makes no difference.

[Bug bootstrap/100373] [12 Regression] Darwin, Compare-debug fail after r12-248-gb58dc0b803057

2021-05-04 Thread iains at gcc dot gnu.org via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=100373 --- Comment #6 from Iain Sandoe --- master @r12-438 doesn't fail compare debug (maybe some later change masks this) I think this will reproduce on a stage 1.. reduced: a; _Thread_local b; c() { long d = b; a = 0; b = 0; } cc1 -fpreproc

[Bug middle-end/100426] New: missing warning for zero-size VLA

2021-05-04 Thread msebor at gcc dot gnu.org via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=100426 Bug ID: 100426 Summary: missing warning for zero-size VLA Product: gcc Version: 11.1.0 Status: UNCONFIRMED Severity: normal Priority: P3 Component: middle-end

[Bug target/100402] Crash in longjmp

2021-05-04 Thread ebotcazou at gcc dot gnu.org via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=100402 --- Comment #7 from Eric Botcazou --- Indeed something does not work with -O: @ ./pr100402.exe $ echo $? 127

[Bug middle-end/100325] missing warning with -O0 on sprintf overflow with pointer plus offset

2021-05-04 Thread msebor at gcc dot gnu.org via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=100325 Martin Sebor changed: What|Removed |Added Keywords||patch --- Comment #1 from Martin Sebor

[Bug target/100402] Crash in longjmp

2021-05-04 Thread ebotcazou at gcc dot gnu.org via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=100402 --- Comment #6 from Eric Botcazou --- Your testcase does not compile with the C compiler: pr100402.c:4:8: error: unknown type name 'bool' 4 | static bool stop = false; |^~~~ pr100402.c:4:20: error: 'false' undeclared here (not

[Bug target/100402] Crash in longjmp

2021-05-04 Thread ebotcazou at gcc dot gnu.org via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=100402 Eric Botcazou changed: What|Removed |Added Last reconfirmed||2021-05-04 Ever confirmed|0

[Bug middle-end/100425] New: missing -Walloca-larger-than with -O0

2021-05-04 Thread msebor at gcc dot gnu.org via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=100425 Bug ID: 100425 Summary: missing -Walloca-larger-than with -O0 Product: gcc Version: 11.1.0 Status: UNCONFIRMED Severity: normal Priority: P3 Component: middle-e

[Bug tree-optimization/100417] False positive -Wmaybe-uninitalized with malloc.

2021-05-04 Thread jmarshall at hey dot com via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=100417 --- Comment #2 from John Marshall --- See also https://github.com/samtools/htslib/pull/1275#issuecomment-831799708 (onwards) and https://github.com/samtools/htslib/pull/1280 for the initial observation of this in James's original code. The diagn

[Bug target/100418] [12 Regression][gcn] since r12-397 bootstrap fails: error: unrecognizable insn: in extract_insn, at recog.c:2770

2021-05-04 Thread burnus at gcc dot gnu.org via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=100418 --- Comment #2 from Tobias Burnus --- (gdb) p debug(x1) (set (reg:DI 444) (plus:DI (reg:DI 444) (const_int -32 [0xffe0]))) Looking at the generated code, I see: switch (GET_CODE (x4)) → (reg:DI 444) case REG:

[Bug testsuite/100167] GCC configured for power10 fails the gcc.target/powerpc/fold-vec-div-longlong.c test

2021-05-04 Thread meissner at gcc dot gnu.org via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=100167 Michael Meissner changed: What|Removed |Added Ever confirmed|0 |1 Status|UNCONFIRMED

[Bug c++/100424] New: Inline virtual function not emitted with -fsanitize=undefined -O2

2021-05-04 Thread redi at gcc dot gnu.org via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=100424 Bug ID: 100424 Summary: Inline virtual function not emitted with -fsanitize=undefined -O2 Product: gcc Version: 10.3.1 Status: UNCONFIRMED Keywords: link-failu

[Bug target/99921] PowerPC xxeval has the wrong predicates

2021-05-04 Thread meissner at gcc dot gnu.org via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=99921 Michael Meissner changed: What|Removed |Added Last reconfirmed||2021-05-04 Assignee|unassig

[Bug target/100411] [11 regression] bootstrap failure on 64-bit Windows with --with-tune=nocona

2021-05-04 Thread ebotcazou at gcc dot gnu.org via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=100411 --- Comment #5 from Eric Botcazou --- Created attachment 50752 --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=50752&action=edit Tentative fix Please give it a try in your setup when you get a chance.

[Bug libstdc++/95983] `std::counted_iterator>>` fails to satisfy `std::input_or_output_iterator`

2021-05-04 Thread gcc-bugs at marehr dot dialup.fu-berlin.de via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=95983 --- Comment #11 from gcc-bugs at marehr dot dialup.fu-berlin.de --- Thank you so much!

[Bug middle-end/100307] [11 Regression] spurious -Wplacement-new with negative pointer offset

2021-05-04 Thread msebor at gcc dot gnu.org via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=100307 Martin Sebor changed: What|Removed |Added Summary|[11/12 Regression] spurious |[11 Regression] spurious

[Bug middle-end/100307] [11/12 Regression] spurious -Wplacement-new with negative pointer offset

2021-05-04 Thread cvs-commit at gcc dot gnu.org via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=100307 --- Comment #4 from CVS Commits --- The master branch has been updated by Martin Sebor : https://gcc.gnu.org/g:158cdc7bd97d7ccca5bc8adaaf80fe51eacdc038 commit r12-445-g158cdc7bd97d7ccca5bc8adaaf80fe51eacdc038 Author: Martin Sebor Date: Tue

[Bug tree-optimization/80532] warning on pointer access after free

2021-05-04 Thread msebor at gcc dot gnu.org via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=80532 Martin Sebor changed: What|Removed |Added Assignee|dmalcolm at gcc dot gnu.org|msebor at gcc dot gnu.org --- Com

[Bug tree-optimization/100417] False positive -Wmaybe-uninitalized with malloc.

2021-05-04 Thread msebor at gcc dot gnu.org via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=100417 Martin Sebor changed: What|Removed |Added Ever confirmed|0 |1 Blocks|

[Bug tree-optimization/100363] gcc generating wider load/store than warranted at -O3

2021-05-04 Thread vgupta at synopsys dot com via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=100363 --- Comment #18 from Vineet Gupta --- (In reply to Richard Biener from comment #9) > (In reply to Linus Torvalds from comment #8) > > (In reply to Alexander Monakov from comment #7) > > > > > > Most likely the issue is that sout/sfrom are misal

[Bug c++/68703] __attribute__((vector_size(N))) template member confusion

2021-05-04 Thread ncm at cantrip dot org via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=68703 --- Comment #10 from ncm at cantrip dot org --- (In reply to ncm from comment #9) > This bug appears not to manifest in g++-8, 9, and 10. Of the three code samples in comment 4, the first and third fail to compile because N is undefined. What co

[Bug testsuite/100166] Some vold-vec-{load,store} tests fail when built with compiler configured with --with-cpu=power10

2021-05-04 Thread meissner at gcc dot gnu.org via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=100166 Michael Meissner changed: What|Removed |Added Status|UNCONFIRMED |ASSIGNED Last reconfirmed|

[Bug testsuite/100422] [12 regression] g++.dg/gomp/clause-3.C fails after r12-438

2021-05-04 Thread jakub at gcc dot gnu.org via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=100422 Jakub Jelinek changed: What|Removed |Added CC||jakub at gcc dot gnu.org --- Comment #2

[Bug testsuite/100422] [12 regression] g++.dg/gomp/clause-3.C fails after r12-438

2021-05-04 Thread burnus at gcc dot gnu.org via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=100422 --- Comment #1 from Tobias Burnus --- I wonder why 'git add' did not work for this one ? --- a/gcc/testsuite/g++.dg/gomp/clause-3.C +++ b/gcc/testsuite/g++.dg/gomp/clause-3.C @@ -59 +59 @@ foo (int x) -#pragma omp p reduction (&&:d) // { dg-err

[Bug c++/100423] New: Internal compiler error when evaluating a requires-expression referencing variables from outer scope in a function invocation.

2021-05-04 Thread gcc_report_187375 at mailfence dot com via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=100423 Bug ID: 100423 Summary: Internal compiler error when evaluating a requires-expression referencing variables from outer scope in a function invocation. Product: gcc

[Bug testsuite/100422] New: [12 regression] g++.dg/gomp/clause-3.C fails after r12-438

2021-05-04 Thread seurer at gcc dot gnu.org via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=100422 Bug ID: 100422 Summary: [12 regression] g++.dg/gomp/clause-3.C fails after r12-438 Product: gcc Version: 12.0 Status: UNCONFIRMED Severity: normal Pr

[Bug c++/100421] New: Internal compiler error when overload resolution fails for prospective destructors.

2021-05-04 Thread gcc_report_187375 at mailfence dot com via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=100421 Bug ID: 100421 Summary: Internal compiler error when overload resolution fails for prospective destructors. Product: gcc Version: 11.1.0 Status: UNCONFIRMED Se

[Bug tree-optimization/86259] [8 Regression] min(4, strlen(s)) optimized to strlen(s) with -flto

2021-05-04 Thread msebor at gcc dot gnu.org via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=86259 --- Comment #40 from Martin Sebor --- (In reply to Richard Biener from comment #39) > Martin - this is another one, is there sth simple safe that can be done on > the 8 branch? The patch series that resolved this while also avoiding the otherwis

[Bug rtl-optimization/100342] [10/11 Regression] wrong code with -O2 -fno-dse -fno-forward-propagate -mno-sse2

2021-05-04 Thread jakub at gcc dot gnu.org via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=100342 --- Comment #10 from Jakub Jelinek --- And there is one more important insn in between 2737 and 2275, in particular (insn 2911 2867 2853 2 (set (reg:DI 42 r14 [2223]) (const_int 72057594037927935 [0xff])) "pr100342.c":68:12 6

[Bug target/100418] [12 Regression][gcn] since r12-397 bootstrap fails: error: unrecognizable insn: in extract_insn, at recog.c:2770

2021-05-04 Thread burnus at gcc dot gnu.org via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=100418 Tobias Burnus changed: What|Removed |Added Target Milestone|--- |12.0 --- Comment #1 from Tobias Burnus

[Bug target/100411] GCC 11 branch bootstrap ICE on x86_w64-w64-mingw32

2021-05-04 Thread ebotcazou at gcc dot gnu.org via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=100411 Eric Botcazou changed: What|Removed |Added Status|NEW |ASSIGNED Assignee|unassigned

[Bug bootstrap/95005] zstd.h not found if installed in non-system prefix

2021-05-04 Thread egallager at gcc dot gnu.org via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=95005 Eric Gallager changed: What|Removed |Added Assignee|egallager at gcc dot gnu.org |gcc at ikkoku dot de --- Comment

[Bug tree-optimization/80532] warning on pointer access after free

2021-05-04 Thread egallager at gcc dot gnu.org via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=80532 --- Comment #6 from Eric Gallager --- (In reply to Martin Sebor from comment #5) > My hope is to implement the warning in the middle end (I actually have a > prototype but it's not ready for GCC 11). So... do you want to take over the "assignee

[Bug target/100411] GCC 11 branch bootstrap ICE on x86_w64-w64-mingw32

2021-05-04 Thread ebotcazou at gcc dot gnu.org via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=100411 Eric Botcazou changed: What|Removed |Added Status|WAITING |NEW --- Comment #3 from Eric Botcazou

[Bug rtl-optimization/100342] [10/11 Regression] wrong code with -O2 -fno-dse -fno-forward-propagate -mno-sse2

2021-05-04 Thread jakub at gcc dot gnu.org via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=100342 --- Comment #9 from Jakub Jelinek --- Looking at current 10 branch (previously looked at 11), I see: (insn 2741 1965 368 2 (set (reg:DI 42 r14 [orig:2067 u128_0 ] [2067]) (mem/c:DI (plus:DI (reg/f:DI 7 sp) (const_int 56 [

[Bug libstdc++/61601] C++11 regex resource exhaustion

2021-05-04 Thread egallager at gcc dot gnu.org via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=61601 Eric Gallager changed: What|Removed |Added CC||egallager at gcc dot gnu.org,

[Bug testsuite/100412] [11/12 regression] PASS & FAIL for same test aarch64-qemu: gcc.dg/Wvla-parameter-[23].c pr?????

2021-05-04 Thread msebor at gcc dot gnu.org via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=100412 Martin Sebor changed: What|Removed |Added Resolution|--- |FIXED Status|ASSIGNED

[Bug c/100420] New: unspecified VLA bound formatted as [0] instead of [*] in -Wvla-parameter

2021-05-04 Thread msebor at gcc dot gnu.org via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=100420 Bug ID: 100420 Summary: unspecified VLA bound formatted as [0] instead of [*] in -Wvla-parameter Product: gcc Version: 11.1.0 Status: UNCONFIRMED Severity: min

[Bug rtl-optimization/100342] [10/11 Regression] wrong code with -O2 -fno-dse -fno-forward-propagate -mno-sse2

2021-05-04 Thread ubizjak at gmail dot com via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=100342 --- Comment #8 from Uroš Bizjak --- FYI, this whole analysis was done with Fedora 33 system compiler: gcc version 10.3.1 20210422 (Red Hat 10.3.1-1) (GCC)

[Bug rtl-optimization/100342] [10/11 Regression] wrong code with -O2 -fno-dse -fno-forward-propagate -mno-sse2

2021-05-04 Thread ubizjak at gmail dot com via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=100342 --- Comment #7 from Uroš Bizjak --- I have traced a bit where (insn 2275) and (insn 2287) come from. In _.ira, we have: 613: r125:QI=r2067:DI#0 ... 659: zero_extract(r2080:DI,0x8,0x8)=r125:QI#0 And in _.reload, a DImode reload is insert

[Bug rtl-optimization/100342] [10/11 Regression] wrong code with -O2 -fno-dse -fno-forward-propagate -mno-sse2

2021-05-04 Thread jakub at gcc dot gnu.org via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=100342 Jakub Jelinek changed: What|Removed |Added CC||segher at gcc dot gnu.org --- Comment #

[Bug c/100419] New: Arm: arm_mve.h generates warning when compiled with -Wsystem-headers.

2021-05-04 Thread sripar01 at gcc dot gnu.org via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=100419 Bug ID: 100419 Summary: Arm: arm_mve.h generates warning when compiled with -Wsystem-headers. Product: gcc Version: 12.0 Status: UNCONFIRMED Severity: normal

[Bug c++/100412] [11/12 regression] PASS & FAIL for same test aarch64-qemu: gcc.dg/Wvla-parameter-[23].c pr?????

2021-05-04 Thread msebor at gcc dot gnu.org via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=100412 Martin Sebor changed: What|Removed |Added Ever confirmed|0 |1 Last reconfirmed|

[Bug other/99903] 32-bit x86 frontends randomly crash while reporting timing on Windows

2021-05-04 Thread amonakov at gcc dot gnu.org via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=99903 Alexander Monakov changed: What|Removed |Added Ever confirmed|1 |0 Status|WAITING

[Bug rtl-optimization/100342] [10/11 Regression] wrong code with -O2 -fno-dse -fno-forward-propagate -mno-sse2

2021-05-04 Thread ubizjak at gmail dot com via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=100342 --- Comment #5 from Uroš Bizjak --- The problem can be seen in _.pro_and_epilogue pass: Starting with: _.cmpelim 2741: r14:DI=[sp:DI+0x38] ... 368: di:DI=r14:DI ... 613: si:QI=r14:QI ... 2737: bp:DI=r14:DI ... 658: strict_low_

[Bug target/100418] New: [12 Regression][gcn] since r12-397 bootstrap fails: error: unrecognizable insn: in extract_insn, at recog.c:2770

2021-05-04 Thread burnus at gcc dot gnu.org via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=100418 Bug ID: 100418 Summary: [12 Regression][gcn] since r12-397 bootstrap fails: error: unrecognizable insn: in extract_insn, at recog.c:2770 Product: gcc Version: 12

[Bug preprocessor/100392] [11/12 Regression] compiling result of "g++ -E -fdirectives-only" causes "error: stray ‘#’ in program" if no newline at EOF

2021-05-04 Thread jakub at gcc dot gnu.org via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=100392 Jakub Jelinek changed: What|Removed |Added Status|NEW |ASSIGNED Assignee|unassigned

[Bug c++/100412] [11/12 regression] PASS & FAIL for same test aarch64-qemu: gcc.dg/Wvla-parameter-[23].c pr?????

2021-05-04 Thread rearnsha at gcc dot gnu.org via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=100412 --- Comment #2 from Richard Earnshaw --- The test name comes from the file name, the 'test for warnings' and the line number. Since both warnings are on the same line, that would require some major hackery (unless that can be encoded in the dg-

[Bug libstdc++/100387] ranges::minmax compares moved-out value

2021-05-04 Thread ppalka at gcc dot gnu.org via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=100387 --- Comment #3 from Patrick Palka --- Also, our minmax and minmax_element perform up to 2n comparisons, violating the complexity requirements: minmax: At most 3 / 2 * ranges::distance(r) comparisons and twice as many applications of the project

[Bug target/86209] Peephole does not happen because the type of zero/sign extended operands is not the same.

2021-05-04 Thread rearnsha at gcc dot gnu.org via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=86209 Richard Earnshaw changed: What|Removed |Added Status|ASSIGNED|NEW Assignee|sameerad at gc

[Bug target/63521] The AArch64 backend doesn't define REG_ALLOC_ORDER.

2021-05-04 Thread rearnsha at gcc dot gnu.org via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=63521 Richard Earnshaw changed: What|Removed |Added Status|ASSIGNED|NEW Assignee|jiwang at gcc

[Bug rtl-optimization/100230] ASan: alloc-dealloc-mismatch in early-remat.c

2021-05-04 Thread cvs-commit at gcc dot gnu.org via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=100230 --- Comment #6 from CVS Commits --- The releases/gcc-9 branch has been updated by Alex Coplan : https://gcc.gnu.org/g:159b6a06965b95c7a2d80accd6fa144eb6bf3779 commit r9-9510-g159b6a06965b95c7a2d80accd6fa144eb6bf3779 Author: Alex Coplan Date:

[Bug c++/100396] [11 regression] The template function overload is not selected correctly

2021-05-04 Thread ppalka at gcc dot gnu.org via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=100396 --- Comment #5 from Patrick Palka --- (In reply to vopl from comment #4) > Take attention at 'Args' - it was {double} initially, but becomes {double, > double} for second ovr call. That seems correct to me. The second ovr call has three functi

[Bug libstdc++/89608] Undetected iterator invalidations on unordered containers in debug mode

2021-05-04 Thread redi at gcc dot gnu.org via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=89608 Jonathan Wakely changed: What|Removed |Added Resolution|--- |FIXED Status|ASSIGNED

[Bug libstdc++/20150] allocate(0) consistency checks

2021-05-04 Thread redi at gcc dot gnu.org via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=20150 Jonathan Wakely changed: What|Removed |Added Resolution|--- |WONTFIX Status|ASSIGNED

[Bug c/100417] New: False positive -Wmaybe-uninitalized with malloc.

2021-05-04 Thread jkb at sanger dot ac.uk via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=100417 Bug ID: 100417 Summary: False positive -Wmaybe-uninitalized with malloc. Product: gcc Version: 11.1.0 Status: UNCONFIRMED Severity: normal Priority: P3 Componen

[Bug rtl-optimization/98144] REE needs 6GB DF memory when compiling insn-extract.c with RTL checking enabled

2021-05-04 Thread rguenth at gcc dot gnu.org via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=98144 Richard Biener changed: What|Removed |Added Known to work||10.3.0, 9.3.1 Resolution|---

[Bug tree-optimization/100053] [9 Regression] tree-fre incorrectly delete a condition

2021-05-04 Thread rguenth at gcc dot gnu.org via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=100053 Richard Biener changed: What|Removed |Added Status|ASSIGNED|RESOLVED Resolution|---

[Bug tree-optimization/100053] [9 Regression] tree-fre incorrectly delete a condition

2021-05-04 Thread cvs-commit at gcc dot gnu.org via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=100053 --- Comment #13 from CVS Commits --- The releases/gcc-9 branch has been updated by Richard Biener : https://gcc.gnu.org/g:6f2a65357f7b122a4e2b78b235d6faaa3d7ab3a4 commit r9-9509-g6f2a65357f7b122a4e2b78b235d6faaa3d7ab3a4 Author: Richard Biener

[Bug rtl-optimization/98144] REE needs 6GB DF memory when compiling insn-extract.c with RTL checking enabled

2021-05-04 Thread cvs-commit at gcc dot gnu.org via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=98144 --- Comment #15 from CVS Commits --- The releases/gcc-9 branch has been updated by Richard Biener : https://gcc.gnu.org/g:4595028e7212d6870e9e236f1f5a016b50708b7c commit r9-9508-g4595028e7212d6870e9e236f1f5a016b50708b7c Author: Richard Biener

[Bug libstdc++/95983] `std::counted_iterator>>` fails to satisfy `std::input_or_output_iterator`

2021-05-04 Thread ppalka at gcc dot gnu.org via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=95983 Patrick Palka changed: What|Removed |Added Target Milestone|--- |10.4 Status|ASSIGNED

[Bug tree-optimization/100414] [11/12 Regression] ICE: in dominated_by_p, at dominance.c:1120 with -O -fno-tree-dce -fno-tree-dse

2021-05-04 Thread cvs-commit at gcc dot gnu.org via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=100414 --- Comment #3 from CVS Commits --- The master branch has been updated by Richard Biener : https://gcc.gnu.org/g:7a3897661151cf8cc77d11f7a98fc64259210748 commit r12-439-g7a3897661151cf8cc77d11f7a98fc64259210748 Author: Richard Biener Date:

[Bug libstdc++/95983] `std::counted_iterator>>` fails to satisfy `std::input_or_output_iterator`

2021-05-04 Thread cvs-commit at gcc dot gnu.org via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=95983 --- Comment #9 from CVS Commits --- The releases/gcc-10 branch has been updated by Patrick Palka : https://gcc.gnu.org/g:1cb39945993c89746b0347746bd1267de85cbc42 commit r10-9796-g1cb39945993c89746b0347746bd1267de85cbc42 Author: Patrick Palka D

[Bug tree-optimization/79333] FRE/PRE do not allow folding to look at SSA defs during elimination

2021-05-04 Thread rguenth at gcc dot gnu.org via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=79333 Richard Biener changed: What|Removed |Added Summary|FRE/PRE do not fold calls |FRE/PRE do not allow

[Bug tree-optimization/70103] gcc reports bad dependence and bails out of vectorization for one of the bwaves loops.

2021-05-04 Thread rguenth at gcc dot gnu.org via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=70103 Richard Biener changed: What|Removed |Added Status|ASSIGNED|RESOLVED Resolution|---

[Bug tree-optimization/69935] load not hoisted out of linked-list traversal loop

2021-05-04 Thread rguenth at gcc dot gnu.org via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69935 Richard Biener changed: What|Removed |Added Status|ASSIGNED|RESOLVED Known to work|

[Bug libstdc++/100415] runtime error: reference binding to null pointer of type 'const struct __forced_unwind'

2021-05-04 Thread redi at gcc dot gnu.org via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=100415 Jonathan Wakely changed: What|Removed |Added Component|libgcc |libstdc++ Ever confirmed|0

[Bug middle-end/66434] cc1plus: internal compiler error: in gimplify_modify_expr, at gimplify.c:4616

2021-05-04 Thread rguenth at gcc dot gnu.org via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=66434 Richard Biener changed: What|Removed |Added Resolution|--- |WONTFIX Status|ASSIGNED

[Bug tree-optimization/66142] Loop is not vectorized because not sufficient support for GOMP_SIMD_LANE

2021-05-04 Thread rguenth at gcc dot gnu.org via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=66142 Bug 66142 depends on bug 66379, which changed state. Bug 66379 Summary: SCCVN doesn't handle aggregate array element accesses very well https://gcc.gnu.org/bugzilla/show_bug.cgi?id=66379 What|Removed |Added ---

[Bug tree-optimization/66379] SCCVN doesn't handle aggregate array element accesses very well

2021-05-04 Thread rguenth at gcc dot gnu.org via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=66379 Richard Biener changed: What|Removed |Added Known to work||10.1.0 Status|ASSIGNED

[Bug bootstrap/100416] New: profiledbootstrap broken on (at least) arm and aarch64

2021-05-04 Thread acoplan at gcc dot gnu.org via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=100416 Bug ID: 100416 Summary: profiledbootstrap broken on (at least) arm and aarch64 Product: gcc Version: 12.0 Status: UNCONFIRMED Severity: normal Priority: P3 Comp

[Bug libgcc/100415] New: runtime error: reference binding to null pointer of type 'const struct __forced_unwind'

2021-05-04 Thread redi at gcc dot gnu.org via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=100415 Bug ID: 100415 Summary: runtime error: reference binding to null pointer of type 'const struct __forced_unwind' Product: gcc Version: 10.3.1 Status: UNCONFIRMED

[Bug rtl-optimization/100342] [10/11 Regression] wrong code with -O2 -fno-dse -fno-forward-propagate -mno-sse2

2021-05-04 Thread ubizjak at gmail dot com via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=100342 --- Comment #4 from Uroš Bizjak --- The problematic insn is: 401cec: 44 89 f6mov%r14d,%esi This one should be 64 bit wide, movl%r14d, %esi # 613 [c=4 l=3] *movqi_internal/2 but is actually a QIm

[Bug rtl-optimization/100342] [10/11 Regression] wrong code with -O2 -fno-dse -fno-forward-propagate -mno-sse2

2021-05-04 Thread ubizjak at gmail dot com via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=100342 --- Comment #3 from Uroš Bizjak --- For some reason the *input* value at BSWAP insn is truncated to 32bits. v256u128 v256u128_1 = SHLV (SHLSV (__builtin_bswap64 (u128_0), (v256u128) (0 < v256u128_0)) <= 0, v256u128_0); u128_0 i

[Bug ipa/100413] [11/12 Regression] ICE: failed to reclaim unneeded function with custom flags

2021-05-04 Thread rguenth at gcc dot gnu.org via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=100413 Richard Biener changed: What|Removed |Added CC||hubicka at gcc dot gnu.org K

[Bug tree-optimization/88398] vectorization failure for a small loop to do byte comparison

2021-05-04 Thread rguenth at gcc dot gnu.org via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=88398 Richard Biener changed: What|Removed |Added Status|NEW |ASSIGNED

[Bug tree-optimization/78972] [8/9/10/11/12 Regression] poor x86 simd instruction scheduling

2021-05-04 Thread rguenth at gcc dot gnu.org via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=78972 Richard Biener changed: What|Removed |Added Status|NEW |ASSIGNED

[Bug preprocessor/97577] [11/12 Regression] ICE: Segmentation fault (in get_location_from_adhoc_loc) by r11-4128

2021-05-04 Thread rguenth at gcc dot gnu.org via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=97577 Richard Biener changed: What|Removed |Added Status|NEW |ASSIGNED

[Bug d/98058] libphobos: Support building on *-*-darwin*

2021-05-04 Thread rguenth at gcc dot gnu.org via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=98058 Richard Biener changed: What|Removed |Added Status|NEW |ASSIGNED

[Bug target/89626] Extraneous error message when compiling vector __int128

2021-05-04 Thread rguenth at gcc dot gnu.org via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=89626 Richard Biener changed: What|Removed |Added Status|NEW |ASSIGNED

[Bug tree-optimization/89579] -Wclobbered warning false positive when compiling with -Og

2021-05-04 Thread rguenth at gcc dot gnu.org via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=89579 Richard Biener changed: What|Removed |Added Status|NEW |ASSIGNED

[Bug target/78994] -Ofast makes aarch64 C++ benchmark slower for A53

2021-05-04 Thread rguenth at gcc dot gnu.org via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=78994 Richard Biener changed: What|Removed |Added Status|NEW |ASSIGNED

[Bug testsuite/94725] Tests with proprietary license notices

2021-05-04 Thread rguenth at gcc dot gnu.org via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=94725 Richard Biener changed: What|Removed |Added Status|NEW |ASSIGNED

[Bug target/87949] PowerPC saves CR registers across calls

2021-05-04 Thread rguenth at gcc dot gnu.org via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=87949 Richard Biener changed: What|Removed |Added Status|NEW |ASSIGNED

[Bug rtl-optimization/79149] bad optimization on MIPS and ARM leading to excessive stack usage in some cases

2021-05-04 Thread rguenth at gcc dot gnu.org via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=79149 Richard Biener changed: What|Removed |Added Status|NEW |ASSIGNED

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