[Bug testsuite/104562] [12 regression] gfortran.dg/gomp/depend-5.f90 fails after r12-7242-g3939c1b11279dc

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=104562 --- Comment #1 from Tobias Burnus --- That should be already fixed by r12-7250-g4d74ea551734694c225643c4069b1b4d4d2b05ed "Fortran/OpenMP: Fix depend-clause handling for c_ptr" Crossref: PR 104545 was about the original issue.

[Bug fortran/104545] [OpenMP & Fortran] Pointers issue in combination of depobj construct and depend clause with depobj dependence-type

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=104545 --- Comment #2 from Tobias Burnus --- Crossrefs: * PR 104562 shows an issue caused by the original commit. * r12-7250-g4d74ea551734694c225643c4069b1b4d4d2b05ed "Fortran/OpenMP: Fix depend-clause handling for c_ptr" fixes that issue + an is

[Bug target/104024] ICE in curr_insn_transform with -O1 -mpower10-fusion -mpower10-fusion-2logical with __int128_t and __builtin_add_overflow

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=104024 Kewen Lin changed: What|Removed |Added Status|UNCONFIRMED |NEW CC|

[Bug target/101456] Unnecessary vzeroupper when upper bits of YMM registers already zero

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=101456 --- Comment #9 from Hongtao.liu --- (In reply to H.J. Lu from comment #8) > It turns out that reading YMM registers with all zero bits needs VZEROUPPER > on Sandy Bride, Ivy Bridge, Haswell, Broadwell and Alder Lake to avoid > SSE <-> AVX transi

[Bug tree-optimization/104551] [12 Regression] Wrong code with -O3 for skylake-avx512, icelake-server, and sapphirerapids

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=104551 --- Comment #4 from Hongtao.liu --- (In reply to Hongtao.liu from comment #3) > (In reply to Hongtao.liu from comment #2) > > let me take a look. > > Start with r12-7216 for (bool a = 0; a < (bool)var_11; a = 2) for (unsigned b = 0; b <

[Bug testsuite/104562] New: [12 regression] gfortran.dg/gomp/depend-5.f90 fails after r12-7242-g3939c1b11279dc

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=104562 Bug ID: 104562 Summary: [12 regression] gfortran.dg/gomp/depend-5.f90 fails after r12-7242-g3939c1b11279dc Product: gcc Version: 12.0 Status: UNCONFIRMED Sever

[Bug tree-optimization/104551] [12 Regression] Wrong code with -O3 for skylake-avx512, icelake-server, and sapphirerapids

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=104551 --- Comment #3 from Hongtao.liu --- (In reply to Hongtao.liu from comment #2) > let me take a look. Start with r12-7216

[Bug tree-optimization/104551] [12 Regression] Wrong code with -O3 for skylake-avx512, icelake-server, and sapphirerapids

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=104551 Hongtao.liu changed: What|Removed |Added CC||crazylht at gmail dot com --- Comment #2

[Bug tree-optimization/102006] A false warning "Array subscript -N is outside array bounds warning"

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=102006 --- Comment #11 from Dmitriano --- It was UB in my code, I dereference a pointer to an object that does not exist.

[Bug c++/90533] [C++20] cannot redeclare telmplate function if it contains lambda expression in its declaration

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=90533 Andrew Pinski changed: What|Removed |Added Last reconfirmed||2022-02-16 Status|UNCONFIRME

[Bug c++/104548] parser rejects alias template id of lambda in unevaluated-context and accepts when no alias is used

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=104548 Andrew Pinski changed: What|Removed |Added See Also||https://gcc.gnu.org/bugzill

[Bug libstdc++/100795] ranges::sample should not use std::sample directly

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=100795 Andrew Pinski changed: What|Removed |Added CC||Berenger.Berthoul at onera dot fr ---

[Bug libstdc++/104561] std::ranges::sort, std::ranges::stable_sort and std::ranges::partial_sort do not support proxy references

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=104561 Andrew Pinski changed: What|Removed |Added Resolution|--- |DUPLICATE Status|UNCONFIRME

[Bug libstdc++/104561] std::ranges::sort, std::ranges::stable_sort and std::ranges::partial_sort do not support proxy references

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=104561 康桓瑋 changed: What|Removed |Added CC||hewillk at gmail dot com --- Comment #1 from 康桓瑋

[Bug c++/104107] [9/10/11 Regression] parsing crashes on class template instantiation since r9-6853-g17838af989014f5e

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=104107 Jason Merrill changed: What|Removed |Added Known to work||12.0 Summary|[9/10/11/12 Reg

[Bug c++/95036] [9/10/11 Regression] ICE with variadic template template parameters

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=95036 Jason Merrill changed: What|Removed |Added Known to work||12.0 Summary|[9/10/11/12 Regr

[Bug libstdc++/104561] New: std::ranges::sort, std::ranges::stable_sort and std::ranges::partial_sort do not support proxy references

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=104561 Bug ID: 104561 Summary: std::ranges::sort, std::ranges::stable_sort and std::ranges::partial_sort do not support proxy references Product: gcc Version: og11 (dev

[Bug debug/104557] [12 Regression] ICE: in simplify_subreg, at simplify-rtx.cc:7324 with -O -g

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=104557 Andrew Pinski changed: What|Removed |Added Target Milestone|--- |12.0

[Bug tree-optimization/104551] [12 Regression] Wrong code with -O3 for skylake-avx512, icelake-server, and sapphirerapids

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=104551 Andrew Pinski changed: What|Removed |Added Status|UNCONFIRMED |NEW Summary|Wrong code with

[Bug tree-optimization/104530] [12 Regression] Dead Code Elimination Regression at -O3 (trunk vs. 11.2.0)

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=104530 --- Comment #2 from Andrew Macleod --- mmm. tricky. Imports: b.0_1 d.3_7 Exports: b.0_1 _2 _3 d.3_7 _8 _2 : b.0_1(I) _3 : b.0_1(I) _2 _8 : b.0_1(I) _2 _3 d.3_7(I) : b.0_1 = b; _2 = b.0_1 == 0B

[Bug tree-optimization/100442] Spurious -Wstringop-overread error with odd boundaries

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=100442 --- Comment #4 from Andres Freund --- > Ending up with an excessive range isn't uncommon in code that freely converts > between signed and unsigned integers (e.g., by passing an int to a size_t > argument) and involves conditionals like those

[Bug libstdc++/104559] vector v; v.insert(v.begin()); compiles, but it shouldn't

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=104559 --- Comment #1 from Andrew Pinski --- >From include/bits/stl_bvector.h" iterator #if __cplusplus >= 201103L insert(const_iterator __position, const bool& __x = bool()) #else insert(iterator __position, const bool& __x = bool()

[Bug middle-end/104550] bogus warning from -Wuninitialized + -ftrivial-auto-var-init=pattern

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=104550 --- Comment #5 from Qing Zhao --- > On Feb 15, 2022, at 3:38 PM, pinskia at gcc dot gnu.org > wrote: > Maybe __builtin_clear_padding lowering should mark the load "MEM[(struct > vx_audio_level *)&info]" as not needing a warning. > This sound

[Bug analyzer/104560] New: False positive from -Wanalyzer-free-of-non-heap seen with rdma-core

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=104560 Bug ID: 104560 Summary: False positive from -Wanalyzer-free-of-non-heap seen with rdma-core Product: gcc Version: 12.0 Status: UNCONFIRMED Severity: normal

[Bug libstdc++/104559] New: vector v; v.insert(v.begin()); compiles, but it shouldn't

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=104559 Bug ID: 104559 Summary: vector v; v.insert(v.begin()); compiles, but it shouldn't Product: gcc Version: 12.0 Status: UNCONFIRMED Severity: normal Pri

[Bug tree-optimization/104526] [12 Regression] Dead Code Elimination Regression at -O3 (trunk vs. 11.2.0)

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=104526 Andrew Macleod changed: What|Removed |Added Status|NEW |RESOLVED Resolution|---

[Bug tree-optimization/104526] [12 Regression] Dead Code Elimination Regression at -O3 (trunk vs. 11.2.0)

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=104526 --- Comment #4 from CVS Commits --- The master branch has been updated by Andrew Macleod : https://gcc.gnu.org/g:e15425e899e4a9eec768cf74aaf36cdbf1d29913 commit r12-7253-ge15425e899e4a9eec768cf74aaf36cdbf1d29913 Author: Andrew MacLeod Date:

[Bug analyzer/97114] Support for vfuncs in -fanalyzer

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=97114 Martin Jambor changed: What|Removed |Added CC||jamborm at gcc dot gnu.org --- Comment #

[Bug fortran/104554] ICE in check_assumed_size_reference, at fortran/resolve.cc:1650

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=104554 kargl at gcc dot gnu.org changed: What|Removed |Added CC||kargl at gcc dot gnu.org

[Bug analyzer/104524] [12 Regression] ICE in get_or_create_cast, at analyzer/region-model-manager.cc:499

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=104524 David Malcolm changed: What|Removed |Added Resolution|--- |FIXED Status|UNCONFIRMED

[Bug analyzer/102692] -Wanalyzer-null-dereference false alarm with (!p || q || !p->next)

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=102692 David Malcolm changed: What|Removed |Added Status|ASSIGNED|RESOLVED Resolution|---

[Bug middle-end/104550] bogus warning from -Wuninitialized + -ftrivial-auto-var-init=pattern

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=104550 Andrew Pinski changed: What|Removed |Added Keywords||diagnostic --- Comment #4 from Andrew P

[Bug analyzer/104524] [12 Regression] ICE in get_or_create_cast, at analyzer/region-model-manager.cc:499

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=104524 --- Comment #1 from CVS Commits --- The master branch has been updated by David Malcolm : https://gcc.gnu.org/g:84832cab6e43db7fa10ec53d15f8f8457aa31080 commit r12-7252-g84832cab6e43db7fa10ec53d15f8f8457aa31080 Author: David Malcolm Date: M

[Bug analyzer/102692] -Wanalyzer-null-dereference false alarm with (!p || q || !p->next)

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=102692 --- Comment #5 from CVS Commits --- The master branch has been updated by David Malcolm : https://gcc.gnu.org/g:1e2fe6715a949f80c1204ae244baad3cd80ffaf0 commit r12-7251-g1e2fe6715a949f80c1204ae244baad3cd80ffaf0 Author: David Malcolm Date: F

[Bug middle-end/104550] bogus warning from -Wuninitialized + -ftrivial-auto-var-init=pattern

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=104550 --- Comment #3 from qinzhao at gcc dot gnu.org --- the root cause for this bug is due to the new call to __builtin_clear_padding added by -ftrivial-auto-var-init=pattern, this is treated as a use of the uninitialized variable during early uninit

[Bug tree-optimization/104515] [11/12 Regression] trivially-destructible destructors interfere with loop optimization - maybe related to lifetime-dse.

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=104515 --- Comment #3 from Jonathan Wakely --- aka r9-84-gcdc184174ce56d

[Bug tree-optimization/104515] [11/12 Regression] trivially-destructible destructors interfere with loop optimization - maybe related to lifetime-dse.

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=104515 --- Comment #2 from GBE --- I don't know if it helps - but I used git-bisect to find the original commit that added this issue: cdc184174ce https://github.com/gcc-mirror/gcc/commit/cdc184174ce It indeed has to do with trivial destructors and c

[Bug tree-optimization/104558] New: [9/10/11/12 Regression] ICE: in expand_call, at calls.cc:3601 with -fabi-version=9 on pr83487.c

2b37a5-checking-yes-rtl-df-extra-nobootstrap-amd64 Thread model: posix Supported LTO compression algorithms: zlib zstd gcc version 12.0.1 20220215 (experimental) (GCC)

[Bug debug/104557] New: [12 Regression] ICE: in simplify_subreg, at simplify-rtx.cc:7324 with -O -g

unk//binary-trunk-r12-7249-20220215180935-g8e84b2b37a5-checking-yes-rtl-df-extra-nobootstrap-amd64 Thread model: posix Supported LTO compression algorithms: zlib zstd gcc version 12.0.1 20220215 (experimental) (GCC)

[Bug middle-end/102276] -ftrivial-auto-var-init fails to initialize a variable, causes a spurious warning

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=102276 --- Comment #12 from qinzhao at gcc dot gnu.org --- I will go with the following solution: 1. avoid emitting switch-unreachable warnings for -ftrivial-auto-var-init; 2. adding a new option -Wtrivial-auto-var-init to emit warnings for the switch-

[Bug fortran/104556] New: ICE in gfc_conv_class_to_class, at fortran/trans-expr.cc:1267

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=104556 Bug ID: 104556 Summary: ICE in gfc_conv_class_to_class, at fortran/trans-expr.cc:1267 Product: gcc Version: 12.0 Status: UNCONFIRMED Severity: normal

[Bug fortran/104555] ICE in gfc_compare_derived_types, at fortran/interface.cc:628

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=104555 G. Steinmetz changed: What|Removed |Added Keywords||ice-on-invalid-code --- Comment #1 from

[Bug fortran/104555] New: ICE in gfc_compare_derived_types, at fortran/interface.cc:628

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=104555 Bug ID: 104555 Summary: ICE in gfc_compare_derived_types, at fortran/interface.cc:628 Product: gcc Version: 12.0 Status: UNCONFIRMED Severity: normal

[Bug fortran/104554] New: ICE in check_assumed_size_reference, at fortran/resolve.cc:1650

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=104554 Bug ID: 104554 Summary: ICE in check_assumed_size_reference, at fortran/resolve.cc:1650 Product: gcc Version: 12.0 Status: UNCONFIRMED Severity: normal

[Bug fortran/104553] ICE in aggregate_value_p, at function.cc:2087

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=104553 G. Steinmetz changed: What|Removed |Added Keywords||ice-on-invalid-code --- Comment #1 from

[Bug fortran/104553] New: ICE in aggregate_value_p, at function.cc:2087

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=104553 Bug ID: 104553 Summary: ICE in aggregate_value_p, at function.cc:2087 Product: gcc Version: 12.0 Status: UNCONFIRMED Severity: normal Priority: P3 Component: fo

[Bug middle-end/98465] Bogus -Wstringop-overread with -std=gnu++20 -O2 and std::string::insert

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=98465 --- Comment #42 from Randy --- (In reply to Jonathan Wakely from comment #41) > So then basically the same as what I said: > > (In reply to Jonathan Wakely from comment #37) > > (Your segfaults are probably because you're using c_str() on a temp

[Bug translation/104552] Mistakes in strings to be translated in GCC 12

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=104552 --- Comment #3 from Roland Illig --- (In reply to Iain Buclaw from comment #2) > (In reply to Roland Illig from comment #0) > > > -fdump-cxx-spec=Write all declarations as C++ code to > > > . > > > > The '' should be '' as well. > > >

[Bug translation/104552] Mistakes in strings to be translated in GCC 12

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=104552 Iain Buclaw changed: What|Removed |Added CC||ibuclaw at gdcproject dot org --- Comment

[Bug analyzer/97240] Analyzer runs out of memory building C++ source

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=97240 Andris Pavenis changed: What|Removed |Added Known to fail||10.3.0 Known to work|

[Bug translation/104552] Mistakes in strings to be translated in GCC 12

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=104552 Jonathan Wakely changed: What|Removed |Added Ever confirmed|0 |1 Status|UNCONFIRMED

[Bug translation/104552] New: Mistakes in strings to be translated in GCC 12

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=104552 Bug ID: 104552 Summary: Mistakes in strings to be translated in GCC 12 Product: gcc Version: 12.0 Status: UNCONFIRMED Severity: normal Priority: P3 Component: t

[Bug target/100874] [12 Regression] slight missed optimization with min-CST on aarch64 (subs_compare_2.c)

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=100874 rsandifo at gcc dot gnu.org changed: What|Removed |Added CC||rsandifo at gcc dot gnu.or

[Bug target/100874] [12 Regression] slight missed optimization with min-CST on aarch64 (subs_compare_2.c)

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=100874 --- Comment #4 from CVS Commits --- The trunk branch has been updated by Richard Sandiford : https://gcc.gnu.org/g:8e84b2b37a541b27feea69769fc314d534464ebd commit r12-7249-g8e84b2b37a541b27feea69769fc314d534464ebd Author: Richard Sandiford Da

[Bug tree-optimization/104551] New: Wrong code with -O3 for skylake-avx512, icelake-server, and sapphirerapids

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=104551 Bug ID: 104551 Summary: Wrong code with -O3 for skylake-avx512, icelake-server, and sapphirerapids Product: gcc Version: 12.0 Status: UNCONFIRMED Severity: nor

[Bug sanitizer/95137] Sanitizers seem to be missing support for coroutines

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=95137 Iain Sandoe changed: What|Removed |Added Status|ASSIGNED|RESOLVED Resolution|---

[Bug debug/104549] Missing variable at O2/O3 likely caused by -fearly-inlining

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=104549 Jakub Jelinek changed: What|Removed |Added CC||jakub at gcc dot gnu.org --- Comment #1

[Bug c/104532] ICE in lvalue_p, at c/c-typeck.cc:4987

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=104532 Jakub Jelinek changed: What|Removed |Added Ever confirmed|0 |1 Status|UNCONFIRMED

[Bug sanitizer/95137] Sanitizers seem to be missing support for coroutines

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=95137 --- Comment #47 from Jakub Jelinek --- On the #c42 testcase the false positive warning is gone with r12-3529-g70ee703c479081ac2ea67eb67041551216e66783 which has been backported in r11-9062-g17e4e6e33d13e0cf09c76cba06c5fc20deab8bb4 to 11.x. Is the

[Bug c++/104507] [10/11/12 Regression] internal compiler error: unexpected expression ‘(int)(__ret)’ of kind cast_expr

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=104507 Patrick Palka changed: What|Removed |Added Assignee|unassigned at gcc dot gnu.org |ppalka at gcc dot gnu.org

[Bug target/100056] [9/10 Regression] orr + lsl vs. [us]bfiz

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=100056 rsandifo at gcc dot gnu.org changed: What|Removed |Added CC||rsandifo at gcc dot gnu.or

[Bug c/104531] [12 Regression] ICE in prepare_cmp_insn, at optabs.cc:4547

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=104531 Jakub Jelinek changed: What|Removed |Added Last reconfirmed||2022-02-15 Assignee|unassigne

[Bug middle-end/102276] -ftrivial-auto-var-init fails to initialize a variable, causes a spurious warning

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=102276 --- Comment #11 from qinzhao at gcc dot gnu.org --- (In reply to rguent...@suse.de from comment #10) > I think it definitely makes sense to diagnose that we are not > following -ftrivial-auto-init-var=X for a decl. Maybe we should > do that wit

[Bug middle-end/104550] bogus warning from -Wuninitialized + -ftrivial-auto-var-init=pattern

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=104550 qinzhao at gcc dot gnu.org changed: What|Removed |Added Last reconfirmed||2022-02-15 Ever confirm

[Bug middle-end/104550] bogus warning from -Wuninitialized + -ftrivial-auto-var-init=pattern

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=104550 --- Comment #1 from qinzhao at gcc dot gnu.org --- Kees reported the following issue with -ftrivial-auto-var-init=pattern. the testing case was reduced from Kernel building. $ cat warns.i struct vx_audio_level { int has_monitor_level : 1; };

[Bug middle-end/104550] New: bogus warning from -Wuninitialized + -ftrivial-auto-var-init=pattern

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=104550 Bug ID: 104550 Summary: bogus warning from -Wuninitialized + -ftrivial-auto-var-init=pattern Product: gcc Version: 12.0 Status: UNCONFIRMED Severity: normal

[Bug debug/104549] New: Missing variable at O2/O3 likely caused by -fearly-inlining

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=104549 Bug ID: 104549 Summary: Missing variable at O2/O3 likely caused by -fearly-inlining Product: gcc Version: 12.0 Status: UNCONFIRMED Severity: normal P

[Bug tree-optimization/104547] std::vector::resize(v.size() - n) produces poor code

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=104547 --- Comment #8 from Jonathan Wakely --- Thanks for looking at it! There's no urgency here from my point of view, I just wanted to get it into bugzilla so I could concentrate on other things. Parking this until stage1 makes sense.

[Bug c/85487] Support '#pragma region' and '#pragma endregion' to allow code folding with Visual Studio

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=85487 --- Comment #9 from Jonathan Wakely --- (In reply to Jakub Jelinek from comment #7) > I would say that is a terrible design... Yes, I completely agree, but I don't see why GCC should be in the business of diagnosing other people's junk :-) Mayb

[Bug c/85487] Support '#pragma region' and '#pragma endregion' to allow code folding with Visual Studio

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=85487 --- Comment #8 from Jonathan Wakely --- (In reply to Austin Morton from comment #5) > https://gcc.gnu.org/pipermail/gcc-patches/2020-September/553182.html > > I sent a patch to do exactly that in 2020 and it was not accepted. Thanks. The review

[Bug tree-optimization/104547] std::vector::resize(v.size() - n) produces poor code

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=104547 --- Comment #7 from Andrew Macleod --- Created attachment 52447 --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=52447&action=edit proposed patch (In reply to Jakub Jelinek from comment #5) > If you mean with -O3 on the > #include > > voi

[Bug c/85487] Support '#pragma region' and '#pragma endregion' to allow code folding with Visual Studio

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=85487 --- Comment #7 from Jakub Jelinek --- I would say that is a terrible design...

[Bug tree-optimization/102645] [12 Regression] ICE on valid code at -O3 on x86_64-linux-gnu: Segmentation fault

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=102645 Jakub Jelinek changed: What|Removed |Added CC||jakub at gcc dot gnu.org Keyw

[Bug c/85487] Support '#pragma region' and '#pragma endregion' to allow code folding with Visual Studio

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=85487 --- Comment #6 from Jonathan Wakely --- (In reply to Jakub Jelinek from comment #4) > Exactly. Seems clang doesn't bother with it and allows anything, but it is > unclear if that is the best thing to do. MSVC ignores any tokens after the region

[Bug tree-optimization/104543] [9/10/11 Regression] wrong code at -O3 on x86_64-linux-gnu

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=104543 --- Comment #11 from Michael Matz --- (In reply to Richard Biener from comment #5) > in particular the comment in bb_prevents_fusion_p saying > > /* BB is duplicated by outer unrolling and then all N-1 first copies > move into the body o

[Bug libstdc++/104542] make_obj_using_allocator and uninitialized_construct_using_allocator lack constexpr

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=104542 --- Comment #1 from CVS Commits --- The master branch has been updated by Jonathan Wakely : https://gcc.gnu.org/g:6cfb7ffb659fd6b87a21312021ab023a06e8f6be commit r12-7244-g6cfb7ffb659fd6b87a21312021ab023a06e8f6be Author: Jonathan Wakely Date:

[Bug c/85487] Support '#pragma region' and '#pragma endregion' to allow code folding with Visual Studio

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=85487 --- Comment #5 from Austin Morton --- (In reply to Jonathan Wakely from comment #3) > The docs raise some questions. > > They say that a #pragma region must be ended by a #pragma endregion. Should > the compiler check that and issue a diagnosti

[Bug target/101456] Unnecessary vzeroupper when upper bits of YMM registers already zero

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=101456 H.J. Lu changed: What|Removed |Added Ever confirmed|0 |1 Resolution|FIXED

[Bug rtl-optimization/104544] [10/11/12 Regression] '-fcompare-debug' failure (length) w/ -O2

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=104544 Jakub Jelinek changed: What|Removed |Added Assignee|unassigned at gcc dot gnu.org |jakub at gcc dot gnu.org

[Bug c/85487] Support '#pragma region' and '#pragma endregion' to allow code folding with Visual Studio

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=85487 Jakub Jelinek changed: What|Removed |Added CC||jakub at gcc dot gnu.org --- Comment #4

[Bug rtl-optimization/104544] [10/11/12 Regression] '-fcompare-debug' failure (length) w/ -O2

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=104544 Jakub Jelinek changed: What|Removed |Added CC||jakub at gcc dot gnu.org --- Comment #2

[Bug c/85487] Support '#pragma region' and '#pragma endregion' to allow code folding with Visual Studio

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=85487 Jonathan Wakely changed: What|Removed |Added Keywords||easyhack --- Comment #3 from Jonathan

[Bug tree-optimization/102087] [12 Regression] ICE on valid code at -O3 on x86_64-linux-gnu: in determine_exit_conditions, at tree-ssa-loop-manip.c:1049 since r12-3136-g3673dcf6d6baeb67

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=102087 Richard Biener changed: What|Removed |Added Resolution|--- |FIXED Status|REOPENED

[Bug tree-optimization/102645] [12 Regression] ICE on valid code at -O3 on x86_64-linux-gnu: Segmentation fault

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=102645 Richard Biener changed: What|Removed |Added Keywords||needs-bisection --- Comment #3 from Ri

[Bug tree-optimization/104543] [9/10/11 Regression] wrong code at -O3 on x86_64-linux-gnu

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=104543 --- Comment #10 from Richard Biener --- *** Bug 103873 has been marked as a duplicate of this bug. ***

[Bug tree-optimization/103873] [12 Regression] wrong code at -O3 on x86_64-linux-gnu

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=103873 Richard Biener changed: What|Removed |Added Resolution|--- |DUPLICATE Status|NEW

[Bug tree-optimization/104543] [9/10/11 Regression] wrong code at -O3 on x86_64-linux-gnu

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=104543 --- Comment #9 from Richard Biener --- *** Bug 103300 has been marked as a duplicate of this bug. ***

[Bug tree-optimization/103300] [12 Regression] wrong code at -O3 on x86_64-linux-gnu since r12-4526-gd8edfadfc7a9795b

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=103300 Richard Biener changed: What|Removed |Added Resolution|--- |DUPLICATE Status|NEW

[Bug middle-end/98465] Bogus -Wstringop-overread with -std=gnu++20 -O2 and std::string::insert

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=98465 --- Comment #41 from Jonathan Wakely --- So then basically the same as what I said: (In reply to Jonathan Wakely from comment #37) > (Your segfaults are probably because you're using c_str() on a temporary > string, so accessing the pointer afte

[Bug middle-end/98465] Bogus -Wstringop-overread with -std=gnu++20 -O2 and std::string::insert

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=98465 --- Comment #40 from Randy --- (In reply to Jonathan Wakely from comment #39) > (In reply to Randy from comment #38) > > std::string is not thread safe, this is why vstring is used (from my > > memory). > > That's totally wrong, vstring has no m

[Bug tree-optimization/96881] [9/10/11/12 Regression] Clobbers on NULL vs. DCE since r8-1519

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=96881 --- Comment #5 from Richard Biener --- The CD-DCE issue is that we do not mark CLOBBERs as necessary but in the end choose to keep them, even if we elided its control dependences. The following fixes that in the simplest conservative way. This

[Bug tree-optimization/104547] std::vector::resize(v.size() - n) produces poor code

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=104547 --- Comment #6 from Jonathan Wakely --- (In reply to Jakub Jelinek from comment #5) > If you mean with -O3 Yes, sorry for not saying so: all examples were compiled with -O3.

[Bug middle-end/98465] Bogus -Wstringop-overread with -std=gnu++20 -O2 and std::string::insert

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=98465 --- Comment #39 from Jonathan Wakely --- (In reply to Randy from comment #38) > std::string is not thread safe, this is why vstring is used (from my > memory). That's totally wrong, vstring has no more thread-safety than std::string has. The sam

[Bug tree-optimization/100499] [9/10/11 Regression] Different results with -fpeel-loops -ftree-loop-vectorize options

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=100499 Bug 100499 depends on bug 104519, which changed state. Bug 104519 Summary: [12 Regression] wrong code at -Os on x86_64-linux-gnu and char as induction variable https://gcc.gnu.org/bugzilla/show_bug.cgi?id=104519 What|Removed

[Bug tree-optimization/104519] [12 Regression] wrong code at -Os on x86_64-linux-gnu and char as induction variable

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=104519 Richard Biener changed: What|Removed |Added Resolution|--- |FIXED Status|ASSIGNED

[Bug tree-optimization/104543] [9/10/11 Regression] wrong code at -O3 on x86_64-linux-gnu

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=104543 Richard Biener changed: What|Removed |Added Target Milestone|12.0|9.5 Priority|P3

[Bug tree-optimization/104543] [12 Regression] wrong code at -O3 on x86_64-linux-gnu

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=104543 Richard Biener changed: What|Removed |Added Status|ASSIGNED|RESOLVED Resolution|---

[Bug tree-optimization/104543] [12 Regression] wrong code at -O3 on x86_64-linux-gnu

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=104543 --- Comment #6 from CVS Commits --- The master branch has been updated by Richard Biener : https://gcc.gnu.org/g:d03a67dc69251dc86c0772a432380a6e9bcb8617 commit r12-7243-gd03a67dc69251dc86c0772a432380a6e9bcb8617 Author: Richard Biener Date:

[Bug middle-end/63311] [9/10/11/12 Regression] -O1 optimization introduces valgrind warning

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=63311 Mark Wielaard changed: What|Removed |Added CC||mark at gcc dot gnu.org --- Comment #19

[Bug tree-optimization/104547] std::vector::resize(v.size() - n) produces poor code

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=104547 Jakub Jelinek changed: What|Removed |Added Last reconfirmed||2022-02-15 CC|

  1   2   >