[Bug c++/102739] compiler ICE when run libcxx's test

2021-10-13 Thread pinskia at gcc dot gnu.org via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=102739 Andrew Pinski changed: What|Removed |Added Status|UNCONFIRMED |WAITING Ever confirmed|0

[Bug c++/102739] New: compiler ICE when run libcxx's test

2021-10-13 Thread unlvsur at live dot com via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=102739 Bug ID: 102739 Summary: compiler ICE when run libcxx's test Product: gcc Version: 12.0 Status: UNCONFIRMED Severity: normal Priority: P3 Component: c++

[Bug middle-end/102700] [12 Regression] wrong location in -Wuninitialized after -O2 vectorization

2021-10-13 Thread crazylht at gmail dot com via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=102700 --- Comment #4 from Hongtao.liu --- (In reply to Martin Sebor from comment #3) > It looks like it's just the the location of the warning that's off, the > warning itself is still issued but it's swallowed by the dg-prune-output > directive. > >

[Bug tree-optimization/102738] Failure to optimize (signed) right shift if the range is already known to be [-1, 0]

2021-10-13 Thread pinskia at gcc dot gnu.org via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=102738 --- Comment #2 from Andrew Pinski --- So this is interesting, I think clang/LLVM does this optimization late in their pipeline take: int a1(int f, int g) { if (f == 0 || f == 1) return (f-1) >> g; return 0; } They don't remove the sh

[Bug target/95740] Failure to avoid using the stack when interpreting a float as an integer when it is modified afterwards

2021-10-13 Thread gabravier at gmail dot com via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=95740 --- Comment #3 from Gabriel Ravier --- I've also encountered what looks like a duplicate of this bug, although I'm not sure but it seems likely: int foo(float f) { union { float f; int i; } z = { .f = f }; return z.i - 1; } Whi

[Bug tree-optimization/102738] Failure to optimize (signed) right shift if the range is already known to be [-1, 0]

2021-10-13 Thread pinskia at gcc dot gnu.org via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=102738 Andrew Pinski changed: What|Removed |Added Summary|Failure to optimize right |Failure to optimize |

[Bug tree-optimization/102738] Failure to optimize right shift of 32-bit int after it's already been shifted by 31

2021-10-13 Thread pinskia at gcc dot gnu.org via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=102738 Andrew Pinski changed: What|Removed |Added Status|UNCONFIRMED |NEW Last reconfirmed|

[Bug tree-optimization/102738] New: Failure to optimize right shift of 128-bit value after it's already been shifted by 127

2021-10-13 Thread gabravier at gmail dot com via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=102738 Bug ID: 102738 Summary: Failure to optimize right shift of 128-bit value after it's already been shifted by 127 Product: gcc Version: 12.0 Status: UNCONFIRMED

[Bug libstdc++/101583] [12 Regression] error: use of deleted function when building gold

2021-10-13 Thread arjan at linux dot intel.com via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=101583 Arjan van de Ven changed: What|Removed |Added CC||arjan at linux dot intel.com --- Com

[Bug rtl-optimization/102733] missing fs:0 store when followed by one to gs:0

2021-10-13 Thread pinskia at gcc dot gnu.org via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=102733 --- Comment #4 from Andrew Pinski --- (In reply to Martin Sebor from comment #3) > A couple of data points: I see the same behavior for any constant address > (not just null). Right because DSE does not compare MEM_ADDR_SPACE. It is literally

[Bug rtl-optimization/102733] missing fs:0 store when followed by one to gs:0

2021-10-13 Thread msebor at gcc dot gnu.org via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=102733 --- Comment #3 from Martin Sebor --- A couple of data points: I see the same behavior for any constant address (not just null). Clang 12 behaves the same as GCC, but Clang 13 emits both stores, suggesting they fixed it as a bug: https://godb

[Bug tree-optimization/102736] [12 Regression] wrong code at -O1 -ftree-vrp

2021-10-13 Thread amacleod at redhat dot com via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=102736 Andrew Macleod changed: What|Removed |Added CC||aldyh at redhat dot com,

[Bug c++/102281] -ftrivial-auto-var-init=zero causes ice

2021-10-13 Thread qinzhao at gcc dot gnu.org via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=102281 --- Comment #14 from qinzhao at gcc dot gnu.org --- All the 3 testing cases can be resolved by adding the following patch (check whether the type has padding before adding call to __builtin_clear_padding): I believe that this is a safe partial f

[Bug target/93934] Unnecessary fld of uninitialized float stack variable results in ub of valid C++ code

2021-10-13 Thread joseph at codesourcery dot com via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=93934 --- Comment #16 from joseph at codesourcery dot com --- I don't think this bug is anything to do with -fsignaling-nans, for the same reason as applies to bug 58416 and bug 71460. The option -fsignaling-nans is only about correctly handling prog

[Bug target/102737] [9/10/11/12 Regression] extra mov with int->double conversion and addition (incoming arguments and return)

2021-10-13 Thread pinskia at gcc dot gnu.org via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=102737 Andrew Pinski changed: What|Removed |Added Last reconfirmed||2021-10-13 Ever confirmed|0

[Bug target/102737] [9/10/11/12 Regression] extra mov with int->double conversion and addition (incoming arguments and return)

2021-10-13 Thread pinskia at gcc dot gnu.org via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=102737 Andrew Pinski changed: What|Removed |Added Target Milestone|--- |9.5 Known to fail|

[Bug target/102737] New: [x86] Failure to optimize out bad register usage involving int->double conversion

2021-10-13 Thread gabravier at gmail dot com via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=102737 Bug ID: 102737 Summary: [x86] Failure to optimize out bad register usage involving int->double conversion Product: gcc Version: 12.0 Status: UNCONFIRMED Severi

[Bug tree-optimization/102736] [12 Regression] wrong code at -O1 -ftree-vrp

2021-10-13 Thread pinskia at gcc dot gnu.org via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=102736 Andrew Pinski changed: What|Removed |Added Summary|wrong code at -O2 and -O3 |[12 Regression] wrong code

[Bug libstdc++/102592] [11/12 Regression] heap-use-after-free when constructing std::filesystem::path from iterator pair

2021-10-13 Thread redi at gcc dot gnu.org via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=102592 Jonathan Wakely changed: What|Removed |Added Status|ASSIGNED|RESOLVED Resolution|---

[Bug libstdc++/102592] [11/12 Regression] heap-use-after-free when constructing std::filesystem::path from iterator pair

2021-10-13 Thread cvs-commit at gcc dot gnu.org via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=102592 --- Comment #4 from CVS Commits --- The releases/gcc-11 branch has been updated by Jonathan Wakely : https://gcc.gnu.org/g:9ef31bab15a426a6829acf0e7ae5420d3b10cbae commit r11-9149-g9ef31bab15a426a6829acf0e7ae5420d3b10cbae Author: Jonathan Wake

[Bug tree-optimization/102736] New: wrong code at -O2 and -O3 on x86_64-linux-gnu

2021-10-13 Thread zhendong.su at inf dot ethz.ch via Gcc-bugs
Supported LTO compression algorithms: zlib gcc version 12.0.0 20211013 (experimental) [master r12-4363-g52055987fba] (GCC) [593] % [593] % gcctk -Os small.c; ./a.out [594] % [594] % gcctk -O2 small.c [595] % ./a.out Aborted [596] % [596] % cat small.c int a, b = -1, c; int d = 1; char e(char f, int g

[Bug tree-optimization/102648] [12 Regression] Dead Code Elimination Regression at -O3 (trunk vs 11.2.0) since r12-2381-g704e8a825c78b9a8

2021-10-13 Thread amacleod at redhat dot com via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=102648 --- Comment #2 from Andrew Macleod --- This is another case of insufficient range representation in the old value_range. The patch causing the issue allows us to produce better subranges when the source ranges have small numbers of constants in

[Bug testsuite/102735] New: privatization-1-compute.c results in both XFAIL and PASS

2021-10-13 Thread nickhuang99 at hotmail dot com via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=102735 Bug ID: 102735 Summary: privatization-1-compute.c results in both XFAIL and PASS Product: gcc Version: 12.0 Status: UNCONFIRMED Severity: normal Pri

[Bug target/100340] Bootstrap fails with Clang 12.0.5 (XCode 12.5)

2021-10-13 Thread cvs-commit at gcc dot gnu.org via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=100340 --- Comment #27 from CVS Commits --- The releases/gcc-11 branch has been updated by Iain D Sandoe : https://gcc.gnu.org/g:8b333df9484c1697f3a80530a47aa90b1859e970 commit r11-9147-g8b333df9484c1697f3a80530a47aa90b1859e970 Author: Iain Sandoe D

[Bug libstdc++/102425] std::error_code() does not compare equal to std::error_condition()

2021-10-13 Thread redi at gcc dot gnu.org via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=102425 Jonathan Wakely changed: What|Removed |Added Resolution|--- |FIXED Status|ASSIGNED

[Bug libstdc++/102667] Inconsistent result of std::regex_match

2021-10-13 Thread redi at gcc dot gnu.org via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=102667 Jonathan Wakely changed: What|Removed |Added Status|ASSIGNED|RESOLVED Target Milestone|---

[Bug libstdc++/102425] std::error_code() does not compare equal to std::error_condition()

2021-10-13 Thread cvs-commit at gcc dot gnu.org via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=102425 --- Comment #7 from CVS Commits --- The releases/gcc-9 branch has been updated by Jonathan Wakely : https://gcc.gnu.org/g:b90b39a33154949979def3117ca868950ce8025c commit r9-9778-gb90b39a33154949979def3117ca868950ce8025c Author: Jonathan Wakely

[Bug libstdc++/102667] Inconsistent result of std::regex_match

2021-10-13 Thread cvs-commit at gcc dot gnu.org via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=102667 --- Comment #5 from CVS Commits --- The releases/gcc-9 branch has been updated by Jonathan Wakely : https://gcc.gnu.org/g:081f08b80db2ce8a10375b3af118db008308affc commit r9-9774-g081f08b80db2ce8a10375b3af118db008308affc Author: Jonathan Wakely

[Bug libstdc++/102592] [11/12 Regression] heap-use-after-free when constructing std::filesystem::path from iterator pair

2021-10-13 Thread cvs-commit at gcc dot gnu.org via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=102592 --- Comment #3 from CVS Commits --- The master branch has been updated by Jonathan Wakely : https://gcc.gnu.org/g:b83b810ac440f72e7551b6496539e60ac30c0d8a commit r12-4381-gb83b810ac440f72e7551b6496539e60ac30c0d8a Author: Jonathan Wakely Date:

[Bug libstdc++/102592] [11/12 Regression] heap-use-after-free when constructing std::filesystem::path from iterator pair

2021-10-13 Thread cvs-commit at gcc dot gnu.org via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=102592 --- Comment #2 from CVS Commits --- The master branch has been updated by Jonathan Wakely : https://gcc.gnu.org/g:85b24e32dc27ec2e70b853713e0713cbc1ff08c3 commit r12-4380-g85b24e32dc27ec2e70b853713e0713cbc1ff08c3 Author: Jonathan Wakely Date:

[Bug fortran/102716] ICE in gfc_validate_kind(): Got bad kind

2021-10-13 Thread anlauf at gcc dot gnu.org via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=102716 anlauf at gcc dot gnu.org changed: What|Removed |Added Assignee|unassigned at gcc dot gnu.org |anlauf at gcc dot gnu

[Bug fortran/102717] ICE in gfc_simplify_reshape, at fortran/simplify.c:6843

2021-10-13 Thread anlauf at gcc dot gnu.org via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=102717 anlauf at gcc dot gnu.org changed: What|Removed |Added Status|NEW |ASSIGNED Assignee|

[Bug tree-optimization/102705] [12 Regression] Dead Code Elimination Regression at -O3 since r12-2637-g145bc41dae7c7bfa093d61e77346f98e6a595a0e

2021-10-13 Thread amacleod at redhat dot com via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=102705 --- Comment #1 from Andrew Macleod --- That impact of that patch on this PR is that it teaches range extraction that [0,1] % [5,5] is [0,1], unlike before which came up with [0,4] This in turn causes the thread1 pass to decide to thread someth

[Bug rtl-optimization/102733] missing fs:0 store when followed by one to gs:0

2021-10-13 Thread pinskia at gcc dot gnu.org via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=102733 --- Comment #2 from Andrew Pinski --- (In reply to Andrew Pinski from comment #1) > RTL level DSE removes the first store. I suspect dse.c does not check > ADDR_SPACE_GENERIC_P. I mean MEM_ADDR_SPACE. And yes it looks like it does not check M

[Bug rtl-optimization/102733] missing fs:0 store when followed by one to gs:0

2021-10-13 Thread pinskia at gcc dot gnu.org via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=102733 Andrew Pinski changed: What|Removed |Added Status|UNCONFIRMED |NEW Ever confirmed|0

[Bug c++/102611] [C++23] P2128R6 - Multidimensional subscript operator

2021-10-13 Thread jakub at gcc dot gnu.org via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=102611 Jakub Jelinek changed: What|Removed |Added Attachment #51595|0 |1 is obsolete|

[Bug target/93934] Unnecessary fld of uninitialized float stack variable results in ub of valid C++ code

2021-10-13 Thread vajdaz at protonmail dot com via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=93934 --- Comment #15 from Zoltan Vajda --- In my special case, I have an embedded realtime application with a lot of FP atithmetic on Intel 32 bit architecture (huge and complex legacy codebase). FPU exceptions are enabled, so loading an SNaN results

[Bug tree-optimization/56456] [meta-bug] bogus/missing -Warray-bounds

2021-10-13 Thread msebor at gcc dot gnu.org via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=56456 Bug 56456 depends on bug 102630, which changed state. Bug 102630 Summary: [12 Regression] Spurious -Warray-bounds with named address space https://gcc.gnu.org/bugzilla/show_bug.cgi?id=102630 What|Removed |Added

[Bug middle-end/102630] [12 Regression] Spurious -Warray-bounds with named address space

2021-10-13 Thread msebor at gcc dot gnu.org via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=102630 Martin Sebor changed: What|Removed |Added Resolution|--- |FIXED Status|ASSIGNED

[Bug libstdc++/90787] filesystem tests fail if file permissions are not supported

2021-10-13 Thread redi at gcc dot gnu.org via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=90787 Jonathan Wakely changed: What|Removed |Added Status|NEW |RESOLVED Resolution|---

[Bug modula2/101388] Unconditional use of __MAX_BAUD

2021-10-13 Thread gaiusmod2 at gmail dot com via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=101388 --- Comment #5 from Gaius Mulley --- Many thanks - I've applied the patch to the git repro. Fixed now I believe.

[Bug c++/102734] New: Autodeduced method return type is available before the class is complete

2021-10-13 Thread fchelnokov at gmail dot com via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=102734 Bug ID: 102734 Summary: Autodeduced method return type is available before the class is complete Product: gcc Version: 12.0 Status: UNCONFIRMED Severity: norma

[Bug target/102733] New: missing fs:0 store when followed by one to gs:0

2021-10-13 Thread msebor at gcc dot gnu.org via Gcc-bugs
FE2: .size test_null_store_fs_gs, .-test_null_store_fs_gs .ident "GCC: (GNU) 12.0.0 20211013 (experimental)" .section.note.GNU-stack,"",@progbits

[Bug demangler/102732] New: quadratic/exponential time complexity on D demangler

2021-10-13 Thread contact at lsferreira dot net via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=102732 Bug ID: 102732 Summary: quadratic/exponential time complexity on D demangler Product: gcc Version: 12.0 Status: UNCONFIRMED Severity: normal Priority: P3 Compon

[Bug middle-end/102630] [12 Regression] Spurious -Warray-bounds with named address space

2021-10-13 Thread cvs-commit at gcc dot gnu.org via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=102630 --- Comment #7 from CVS Commits --- The master branch has been updated by Martin Sebor : https://gcc.gnu.org/g:54fa5567a27eb7ee72cd2321d0291c8a9b436ce9 commit r12-4376-g54fa5567a27eb7ee72cd2321d0291c8a9b436ce9 Author: Martin Sebor Date: Wed

[Bug modula2/102323] gm2 testsuite needs to be parallelized

2021-10-13 Thread gaiusmod2 at gmail dot com via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=102323 --- Comment #1 from Gaius Mulley --- Confirmed, thank you for the bug report. Now fixed in the git repro.

[Bug middle-end/77608] missing protection on trivially detectable runtime buffer overflow

2021-10-13 Thread kees at outflux dot net via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=77608 Kees Cook changed: What|Removed |Added CC||kees at outflux dot net --- Comment #5 from

[Bug middle-end/102731] inconsistent handling of dereferncing a null pointer

2021-10-13 Thread msebor at gcc dot gnu.org via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=102731 Martin Sebor changed: What|Removed |Added Blocks||56456, 88443 Keywords|

[Bug middle-end/102731] New: inconsistent handling of dereferncing a null pointer

2021-10-13 Thread msebor at gcc dot gnu.org via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=102731 Bug ID: 102731 Summary: inconsistent handling of dereferncing a null pointer Product: gcc Version: 12.0 Status: UNCONFIRMED Severity: normal Priority: P3 Compon

[Bug fortran/102729] Assumed rank: ICE when passing noncontiguous to CONTIGUOUS assume rank (assumed-rank loop handling)

2021-10-13 Thread burnus at gcc dot gnu.org via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=102729 Tobias Burnus changed: What|Removed |Added Blocks||102641 --- Comment #1 from Tobias Burnu

[Bug tree-optimization/99580] False positive -Warray-bounds with nested loops

2021-10-13 Thread msebor at gcc dot gnu.org via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=99580 Martin Sebor changed: What|Removed |Added Last reconfirmed|2021-03-14 00:00:00 |2021-10-13 Summary|False posit

[Bug tree-optimization/100464] [11 Regression] emitted binary code changes when -g is enabled at -O3

2021-10-13 Thread cnsun at uwaterloo dot ca via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=100464 --- Comment #15 from Chengnian Sun --- (In reply to Jakub Jelinek from comment #14) > Yes. You'll get an error, like: > error: t.c: ‘-fcompare-debug’ failure (length) > or > error: t.c: ‘-fcompare-debug’ failure > Under the hood, the driver inv

[Bug libstdc++/90787] filesystem tests fail if file permissions are not supported

2021-10-13 Thread cvs-commit at gcc dot gnu.org via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=90787 --- Comment #8 from CVS Commits --- The releases/gcc-10 branch has been updated by Jonathan Wakely : https://gcc.gnu.org/g:4be4888d6bddbcc106efeb19e18c380e7c1d041a commit r10-10214-g4be4888d6bddbcc106efeb19e18c380e7c1d041a Author: Jonathan Wake

[Bug c++/102730] New: Consistency of deprecation warning emission with type alias

2021-10-13 Thread romain.geissler at amadeus dot com via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=102730 Bug ID: 102730 Summary: Consistency of deprecation warning emission with type alias Product: gcc Version: unknown Status: UNCONFIRMED Severity: normal

[Bug c++/102726] Does not warn for enum constant in boolean context

2021-10-13 Thread msebor at gcc dot gnu.org via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=102726 Martin Sebor changed: What|Removed |Added Last reconfirmed||2021-10-13 Status|UNCONFIRME

[Bug target/93934] Unnecessary fld of uninitialized float stack variable results in ub of valid C++ code

2021-10-13 Thread amonakov at gcc dot gnu.org via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=93934 --- Comment #14 from Alexander Monakov --- Zoltan, excuse me, could you please clarify what specifically you are worried about? Your bug title says "results in UB" and the opening comment said "the behavior [..] is unpredictable", but as far as I

[Bug tree-optimization/102720] [12 regression] gcc.dg/tree-ssa/ldist-strlen-1.c and ldist-strlen-2.c fail after r12-4324

2021-10-13 Thread clyon at gcc dot gnu.org via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=102720 --- Comment #6 from Christophe Lyon --- On aarch64, this also causes gcc.dg/loop-unswitch-4.c to fail

[Bug tree-optimization/102720] [12 regression] gcc.dg/tree-ssa/ldist-strlen-1.c and ldist-strlen-2.c fail after r12-4324

2021-10-13 Thread clyon at gcc dot gnu.org via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=102720 Christophe Lyon changed: What|Removed |Added CC||clyon at gcc dot gnu.org

[Bug fortran/102729] New: Assumed rank: ICE when passing noncontiguous to CONTIGUOUS assume rank (assumed-rank loop handling)

2021-10-13 Thread burnus at gcc dot gnu.org via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=102729 Bug ID: 102729 Summary: Assumed rank: ICE when passing noncontiguous to CONTIGUOUS assume rank (assumed-rank loop handling) Product: gcc Version: 12.0 Status: UNCONFIRME

[Bug c++/102611] [C++23] P2128R6 - Multidimensional subscript operator

2021-10-13 Thread jakub at gcc dot gnu.org via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=102611 --- Comment #2 from Jakub Jelinek --- Created attachment 51595 --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=51595&action=edit gcc12-P2128R6-WIP.patch Untested WIP, just template handling hasn't been added yet, so it is useful only witho

[Bug target/93934] Unnecessary fld of uninitialized float stack variable results in ub of valid C++ code

2021-10-13 Thread ubizjak at gmail dot com via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=93934 --- Comment #13 from Uroš Bizjak --- (In reply to Zoltan Vajda from comment #12) > Using -mfpmath=sse here does not help on a 32 bit platfrom. > https://gcc.godbolt.org/z/hs1Ef6aj4 > At line 31 the assembly code performs the speculative load. Ye

[Bug c++/102728] New: requires statement fails to recognize lambda in unevaluated context

2021-10-13 Thread nickhuang99 at hotmail dot com via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=102728 Bug ID: 102728 Summary: requires statement fails to recognize lambda in unevaluated context Product: gcc Version: 12.0 Status: UNCONFIRMED Severity: normal

[Bug libstdc++/100287] Using iterator after std::move in ranges::partition

2021-10-13 Thread ppalka at gcc dot gnu.org via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=100287 Patrick Palka changed: What|Removed |Added Resolution|--- |FIXED Status|ASSIGNED

[Bug libstdc++/100237] Unnecessary std::move in ranges::min, ranges::max and ranges::minmax

2021-10-13 Thread ppalka at gcc dot gnu.org via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=100237 Patrick Palka changed: What|Removed |Added Status|NEW |RESOLVED Target Milestone|---

[Bug libstdc++/100187] Helper lambda in ranges_algo.h misses forwarding return type

2021-10-13 Thread ppalka at gcc dot gnu.org via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=100187 Patrick Palka changed: What|Removed |Added Resolution|--- |FIXED Status|NEW

[Bug libstdc++/100287] Using iterator after std::move in ranges::partition

2021-10-13 Thread cvs-commit at gcc dot gnu.org via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=100287 --- Comment #4 from CVS Commits --- The releases/gcc-10 branch has been updated by Patrick Palka : https://gcc.gnu.org/g:139bafaaba0c775ca65712621bd60e079b488d73 commit r10-10210-g139bafaaba0c775ca65712621bd60e079b488d73 Author: Patrick Palka

[Bug libstdc++/100249] missing forwarding std::__invoke result in ranges::is_permutation and ranges::clamp

2021-10-13 Thread cvs-commit at gcc dot gnu.org via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=100249 --- Comment #11 from CVS Commits --- The releases/gcc-10 branch has been updated by Patrick Palka : https://gcc.gnu.org/g:139bafaaba0c775ca65712621bd60e079b488d73 commit r10-10210-g139bafaaba0c775ca65712621bd60e079b488d73 Author: Patrick Palka

[Bug libstdc++/100187] Helper lambda in ranges_algo.h misses forwarding return type

2021-10-13 Thread cvs-commit at gcc dot gnu.org via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=100187 --- Comment #7 from CVS Commits --- The releases/gcc-10 branch has been updated by Patrick Palka : https://gcc.gnu.org/g:139bafaaba0c775ca65712621bd60e079b488d73 commit r10-10210-g139bafaaba0c775ca65712621bd60e079b488d73 Author: Patrick Palka

[Bug libstdc++/100237] Unnecessary std::move in ranges::min, ranges::max and ranges::minmax

2021-10-13 Thread cvs-commit at gcc dot gnu.org via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=100237 --- Comment #4 from CVS Commits --- The releases/gcc-10 branch has been updated by Patrick Palka : https://gcc.gnu.org/g:139bafaaba0c775ca65712621bd60e079b488d73 commit r10-10210-g139bafaaba0c775ca65712621bd60e079b488d73 Author: Patrick Palka

[Bug libstdc++/100287] Using iterator after std::move in ranges::partition

2021-10-13 Thread cvs-commit at gcc dot gnu.org via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=100287 --- Comment #3 from CVS Commits --- The releases/gcc-11 branch has been updated by Patrick Palka : https://gcc.gnu.org/g:cb261f0e8fc08fb49f74002582ad5713cda684f7 commit r11-9145-gcb261f0e8fc08fb49f74002582ad5713cda684f7 Author: Patrick Palka

[Bug libstdc++/100249] missing forwarding std::__invoke result in ranges::is_permutation and ranges::clamp

2021-10-13 Thread cvs-commit at gcc dot gnu.org via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=100249 --- Comment #10 from CVS Commits --- The releases/gcc-11 branch has been updated by Patrick Palka : https://gcc.gnu.org/g:cb261f0e8fc08fb49f74002582ad5713cda684f7 commit r11-9145-gcb261f0e8fc08fb49f74002582ad5713cda684f7 Author: Patrick Palka

[Bug libstdc++/100237] Unnecessary std::move in ranges::min, ranges::max and ranges::minmax

2021-10-13 Thread cvs-commit at gcc dot gnu.org via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=100237 --- Comment #3 from CVS Commits --- The releases/gcc-11 branch has been updated by Patrick Palka : https://gcc.gnu.org/g:cb261f0e8fc08fb49f74002582ad5713cda684f7 commit r11-9145-gcb261f0e8fc08fb49f74002582ad5713cda684f7 Author: Patrick Palka

[Bug libstdc++/100187] Helper lambda in ranges_algo.h misses forwarding return type

2021-10-13 Thread cvs-commit at gcc dot gnu.org via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=100187 --- Comment #6 from CVS Commits --- The releases/gcc-11 branch has been updated by Patrick Palka : https://gcc.gnu.org/g:cb261f0e8fc08fb49f74002582ad5713cda684f7 commit r11-9145-gcb261f0e8fc08fb49f74002582ad5713cda684f7 Author: Patrick Palka

[Bug middle-end/26163] [meta-bug] missed optimization in SPEC (2k17, 2k and 2k6 and 95)

2021-10-13 Thread marxin at gcc dot gnu.org via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=26163 Bug 26163 depends on bug 90364, which changed state. Bug 90364 Summary: 521.wrf_r is 8-17% slower with PGO at -Ofast and native march/mtune https://gcc.gnu.org/bugzilla/show_bug.cgi?id=90364 What|Removed |Added

[Bug gcov-profile/90364] 521.wrf_r is 8-17% slower with PGO at -Ofast and native march/mtune

2021-10-13 Thread marxin at gcc dot gnu.org via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=90364 Martin Liška changed: What|Removed |Added Status|NEW |RESOLVED Resolution|---

[Bug target/93934] Unnecessary fld of uninitialized float stack variable results in ub of valid C++ code

2021-10-13 Thread vajdaz at protonmail dot com via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=93934 --- Comment #12 from Zoltan Vajda --- Using -mfpmath=sse here does not help on a 32 bit platfrom. https://gcc.godbolt.org/z/hs1Ef6aj4 At line 31 the assembly code performs the speculative load.

[Bug modula2/102340] gm2 test sources shouldn't be executable

2021-10-13 Thread gaiusmod2 at gmail dot com via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=102340 Gaius Mulley changed: What|Removed |Added CC||gaiusmod2 at gmail dot com --- Comment #

[Bug gcov-profile/90364] 521.wrf_r is 8-17% slower with PGO at -Ofast and native march/mtune

2021-10-13 Thread cvs-commit at gcc dot gnu.org via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=90364 --- Comment #12 from CVS Commits --- The master branch has been updated by Martin Liska : https://gcc.gnu.org/g:72e0c742bd01f8e7e6dcca64042b9ad7e75979de commit r12-4372-g72e0c742bd01f8e7e6dcca64042b9ad7e75979de Author: Martin Liska Date: Thu

[Bug target/102688] [12 regression] gcc.dg/ipa/iinline-attr.c fails after r12-4288

2021-10-13 Thread marxin at gcc dot gnu.org via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=102688 Martin Liška changed: What|Removed |Added Resolution|--- |FIXED Status|ASSIGNED

[Bug target/102688] [12 regression] gcc.dg/ipa/iinline-attr.c fails after r12-4288

2021-10-13 Thread cvs-commit at gcc dot gnu.org via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=102688 --- Comment #3 from CVS Commits --- The master branch has been updated by Martin Liska : https://gcc.gnu.org/g:e415bc4c035b1b655cf2cafcbe515382d1cefc93 commit r12-4370-ge415bc4c035b1b655cf2cafcbe515382d1cefc93 Author: Martin Liska Date: Tue

[Bug modula2/102339] gm2 testsuite leaves many files behind

2021-10-13 Thread gaiusmod2 at gmail dot com via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=102339 --- Comment #1 from Gaius Mulley --- Confirmed as a bug and now fixed in the repository - many thanks for the report.

[Bug target/93934] Unnecessary fld of uninitialized float stack variable results in ub of valid C++ code

2021-10-13 Thread ubizjak at gmail dot com via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=93934 --- Comment #11 from Uroš Bizjak --- (In reply to Zoltan Vajda from comment #9) > As I understand it, it is acknowledged, that this is a bug. However, the > issue is in state NEW for a quite long time. The issue is still present in > GCC 11.2. Do

[Bug c++/102724] ICE in genericize_spaceship, at cp/method.c:1089

2021-10-13 Thread marxin at gcc dot gnu.org via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=102724 Martin Liška changed: What|Removed |Added CC||jason at gcc dot gnu.org,

[Bug tree-optimization/102711] [9/10/11 Regression] CDDCE removes condition that might lead to an infinite loop causing an unconditional infinite loop

2021-10-13 Thread rguenther at suse dot de via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=102711 --- Comment #5 from rguenther at suse dot de --- On Wed, 13 Oct 2021, marxin at gcc dot gnu.org wrote: > https://gcc.gnu.org/bugzilla/show_bug.cgi?id=102711 > > Martin Liška changed: > >What|Removed |Added

[Bug fortran/102715] [12 Regression] ICE in gfc_simplify_transpose, at fortran/simplify.c:8184 since r12-4278-g74ccca380cde5e79

2021-10-13 Thread marxin at gcc dot gnu.org via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=102715 Martin Liška changed: What|Removed |Added Status|UNCONFIRMED |NEW Last reconfirmed|

[Bug tree-optimization/102711] [9/10/11 Regression] CDDCE removes condition that might lead to an infinite loop causing an unconditional infinite loop

2021-10-13 Thread marxin at gcc dot gnu.org via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=102711 Martin Liška changed: What|Removed |Added CC||marxin at gcc dot gnu.org --- Comment #4

[Bug c++/102709] [11/12 Regression] ICE: in build_function_type with parameter packs not expanded in constructor while doing auto deduction since r11-2748-gb871301f09be7061

2021-10-13 Thread marxin at gcc dot gnu.org via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=102709 Martin Liška changed: What|Removed |Added Summary|[11/12 Regression] ICE: in |[11/12 Regression] ICE: in

[Bug c++/102721] out-of-line member function definition fails to allow lambda in unevaluated-context of new feature in c++20

2021-10-13 Thread nickhuang99 at hotmail dot com via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=102721 --- Comment #5 from qingzhe huang --- (In reply to qingzhe huang from comment #4) > (In reply to Andrew Pinski from comment #2) > > Note it is not array related either: > > template<> > > void A::foo(const decltype(+[]{})) > > {} > > Yes, it is

[Bug fortran/102727] New: Warning for guaranteed interoperable type kind

2021-10-13 Thread jahns at dkrz dot de via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=102727 Bug ID: 102727 Summary: Warning for guaranteed interoperable type kind Product: gcc Version: 11.1.0 Status: UNCONFIRMED Severity: normal Priority: P3 Component:

[Bug c++/102726] New: Does not warn for enum constant in boolean context

2021-10-13 Thread rguenth at gcc dot gnu.org via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=102726 Bug ID: 102726 Summary: Does not warn for enum constant in boolean context Product: gcc Version: 12.0 Status: UNCONFIRMED Severity: normal Priority: P3 Componen

[Bug tree-optimization/102725] -fno-builtin leads to call of strlen since r12-4283-g6f966f06146be768

2021-10-13 Thread rguenth at gcc dot gnu.org via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=102725 --- Comment #4 from Richard Biener --- I think that 'strlen' is only used when it is explicitely declared. Hmm, maybe I'm mistaken and it's 'implicit' already because it is standard. So loop distribution could check for builtin_decl_declared_p

[Bug tree-optimization/102659] -O2 vectorization if-conversion produces wrong code for gcc.dg/torture/pr69760.c

2021-10-13 Thread rguenth at gcc dot gnu.org via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=102659 Richard Biener changed: What|Removed |Added Status|ASSIGNED|RESOLVED Known to work|

[Bug tree-optimization/102659] -O2 vectorization if-conversion produces wrong code for gcc.dg/torture/pr69760.c

2021-10-13 Thread cvs-commit at gcc dot gnu.org via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=102659 --- Comment #5 from CVS Commits --- The master branch has been updated by Richard Biener : https://gcc.gnu.org/g:3c0194d7ff21d61c02f3c6b111c83ef24a69e1f0 commit r12-4369-g3c0194d7ff21d61c02f3c6b111c83ef24a69e1f0 Author: Richard Biener Date:

[Bug tree-optimization/102046] [10 Regression] ICE: tree check: expected class 'type', have 'exceptional' (error_mark) in useless_type_conversion_p, at gimple-expr.c:87 with -O3 -march=btver2 since r1

2021-10-13 Thread rguenth at gcc dot gnu.org via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=102046 Richard Biener changed: What|Removed |Added Known to fail||10.3.0 Resolution|---

[Bug tree-optimization/101925] [10 Regression] reversed storage order when compiling with -O3 only since r10-4742-g9b75f56d4b7951c6

2021-10-13 Thread rguenth at gcc dot gnu.org via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=101925 Richard Biener changed: What|Removed |Added Known to work||10.3.1 Status|ASSIGNED

[Bug tree-optimization/102046] [10 Regression] ICE: tree check: expected class 'type', have 'exceptional' (error_mark) in useless_type_conversion_p, at gimple-expr.c:87 with -O3 -march=btver2 since r1

2021-10-13 Thread cvs-commit at gcc dot gnu.org via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=102046 --- Comment #8 from CVS Commits --- The releases/gcc-10 branch has been updated by Richard Biener : https://gcc.gnu.org/g:967219bb3ef1869f6bd1c5efffea65544a310836 commit r10-10208-g967219bb3ef1869f6bd1c5efffea65544a310836 Author: Richard Biene

[Bug tree-optimization/101925] [10 Regression] reversed storage order when compiling with -O3 only since r10-4742-g9b75f56d4b7951c6

2021-10-13 Thread cvs-commit at gcc dot gnu.org via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=101925 --- Comment #12 from CVS Commits --- The releases/gcc-10 branch has been updated by Richard Biener : https://gcc.gnu.org/g:66615029ec831da23b481cd3a01e90cff02c6891 commit r10-10207-g66615029ec831da23b481cd3a01e90cff02c6891 Author: Richard Bien

[Bug tree-optimization/101373] PRE hoists trapping instructions over possibly throwing calls

2021-10-13 Thread cvs-commit at gcc dot gnu.org via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=101373 --- Comment #18 from CVS Commits --- The releases/gcc-10 branch has been updated by Richard Biener : https://gcc.gnu.org/g:95a95ec274cd0ec125ce48ab002fad4e400e345b commit r10-10206-g95a95ec274cd0ec125ce48ab002fad4e400e345b Author: Richard Bien

[Bug tree-optimization/101868] [9/10 Regression] Incorrect reordering in -O2 with LTO

2021-10-13 Thread cvs-commit at gcc dot gnu.org via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=101868 --- Comment #12 from CVS Commits --- The releases/gcc-10 branch has been updated by Richard Biener : https://gcc.gnu.org/g:95a95ec274cd0ec125ce48ab002fad4e400e345b commit r10-10206-g95a95ec274cd0ec125ce48ab002fad4e400e345b Author: Richard Bien

[Bug tree-optimization/101824] [9/10 Regression] VOLATILE not honored

2021-10-13 Thread cvs-commit at gcc dot gnu.org via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=101824 --- Comment #6 from CVS Commits --- The releases/gcc-10 branch has been updated by Richard Biener : https://gcc.gnu.org/g:a68a1e06f2eea2f510649aa9bbb17303ef1efb9c commit r10-10205-ga68a1e06f2eea2f510649aa9bbb17303ef1efb9c Author: Richard Biene

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