[Bug tree-optimization/120089] [15/16 regression] GCC miscompiles VK-GL-CTS (on aarch64) with -O3 since r15-7533-g589d79e6268b05

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=120089 Connor Abbott changed: What|Removed |Added CC||rguenther at suse dot de --- Comment #1

[Bug target/118008] [14/15/16 regression] ICE when bootstrapping with Go on arm (gen_movdi, at config/arm/arm.md:6296)

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=118008 --- Comment #15 from Sam James --- (In reply to mcccs from comment #14) > I just bootstrapped on aarch64 with --with-arch=armv8-a+fp > --with-float-abi=hard without any errors I only saw it on arm(32), not arm64 (aarch64).

[Bug tree-optimization/120089] [15/16 regression] GCC miscompiles VK-GL-CTS (on aarch64) with -O3 since r15-7533-g589d79e6268b05

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=120089 --- Comment #15 from Andrew Pinski --- Connor thanks for the detailed bug report too. It was very very useful. The reason why I changed it to remove the floating point and most of the C++ code was to make it easier to debug. In this case since t

[Bug tree-optimization/120089] [15/16 regression] GCC miscompiles VK-GL-CTS on aarch64 with -O3 since r15-7533-g589d79e6268b05

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=120089 Andrew Pinski changed: What|Removed |Added Attachment #61291|0 |1 is obsolete|

[Bug tree-optimization/120089] [15/16 regression] GCC miscompiles VK-GL-CTS on aarch64 with -O3 since r15-7533-g589d79e6268b05

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=120089 Sam James changed: What|Removed |Added Target|aarch64 |aarch64 x86_64 --- Comment #13 from Sam Jam

[Bug tree-optimization/120089] [15/16 regression] GCC miscompiles VK-GL-CTS on aarch64 with -O3 since r15-7533-g589d79e6268b05

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=120089 Andrew Pinski changed: What|Removed |Added Last reconfirmed||2025-05-04 Ever confirmed|0

[Bug tree-optimization/120089] [15/16 regression] GCC miscompiles VK-GL-CTS on aarch64 with -O3 since r15-7533-g589d79e6268b05

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=120089 Andrew Pinski changed: What|Removed |Added Attachment #61287|0 |1 is obsolete|

[Bug gcov-profile/120086] FAIL: gcc.misc-tests/gcov-29.c

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=120086 --- Comment #2 from Jørgen Kvalsvik --- Interesting. I looked at the attach'd .gcov file and it is filled with these: paths covered 1 of zu Does the target not support size_t with printf("%zu")?

[Bug tree-optimization/120089] [15/16 regression] GCC miscompiles VK-GL-CTS on aarch64 with -O3 since r15-7533-g589d79e6268b05

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=120089 Andrew Pinski changed: What|Removed |Added Attachment #61289|0 |1 is obsolete|

[Bug tree-optimization/120089] [15/16 regression] GCC miscompiles VK-GL-CTS on aarch64 with -O3 since r15-7533-g589d79e6268b05

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=120089 Sam James changed: What|Removed |Added See Also||https://gcc.gnu.org/bugzill

[Bug tree-optimization/120089] [15/16 regression] GCC miscompiles VK-GL-CTS on aarch64 with -O3

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=120089 --- Comment #8 from Sam James --- I suspect it's r15-7533-g589d79e6268b05.

[Bug tree-optimization/120089] [15/16 regression] GCC miscompiles VK-GL-CTS on aarch64 with -O3

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=120089 Andrew Pinski changed: What|Removed |Added Attachment #61288|0 |1 is obsolete|

[Bug tree-optimization/120089] [15/16 regression] GCC miscompiles VK-GL-CTS on aarch64 with -O3

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=120089 --- Comment #6 from Andrew Pinski --- I am starting to think this is an early exit vectorization bug. THe main reason is the at is important and that causes an early exit

[Bug tree-optimization/120089] [15/16 regression] GCC miscompiles VK-GL-CTS on aarch64 with -O3

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=120089 --- Comment #5 from Andrew Pinski --- Created attachment 61288 --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=61288&action=edit Semi more reduced The copy for vertices is important ... Also is at.

[Bug tree-optimization/120089] [15/16 regression] GCC miscompiles VK-GL-CTS on aarch64 with -O3

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=120089 --- Comment #4 from Sam James --- -fno-tree-vectorize works

[Bug tree-optimization/120089] [15/16 regression] GCC miscompiles VK-GL-CTS on aarch64 with -O3

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=120089 --- Comment #3 from Andrew Pinski --- >note that running programs on godbolt compiled with GCC 15 on aarch64 seems to >be broken Note using -static allows to run on godbolt just fine :).

[Bug fortran/120049] ICE when using IS_C_ASSOCIATED ()

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=120049 --- Comment #10 from Jerry DeLisle --- I have a patch now that addresses the original problem and regression tests fine whcih I will submit to the gfortran list. Before I do that I want to explore these other cases given in Comment #8.

[Bug c++/120089] [15/16 regression] GCC miscompiles VK-GL-CTS on aarch64 with -O3

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=120089 --- Comment #1 from Sam James --- $ git diff --word-diff --no-index <(g++ p.cxx -O2 -o p-O2 && ./p-O2) <(g++ p.cxx -O3 -o p-O3 && ./p-O3) diff --git a/dev/fd/63 b/dev/fd/62 --- a/dev/fd/63 +++ b/dev/fd/62 @@ -1 +1 @@ 0 0 0 0 0 0 0 0 0 0 64 191 0

[Bug c++/120089] [15/16 regression] GCC miscompiles VK-GL-CTS on aarch64 with -O3

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=120089 --- Comment #2 from Andrew Pinski --- Created attachment 61287 --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=61287&action=edit Self checking

[Bug c++/120089] [15/16 regression] GCC miscompiles VK-GL-CTS on aarch64 with -O3

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=120089 Sam James changed: What|Removed |Added Keywords||wrong-code Target Milestone|---

[Bug c++/120089] New: GCC miscompiles VK-GL-CTS on aarch64 with -O3

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=120089 Bug ID: 120089 Summary: GCC miscompiles VK-GL-CTS on aarch64 with -O3 Product: gcc Version: 15.1.1 Status: UNCONFIRMED Severity: normal Priority: P3 Component:

[Bug libstdc++/120088] New: Use of uninitialized value in constant expression when copy-constructing a std::expected from another copy-assigned non-erroneous std::expected

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=120088 Bug ID: 120088 Summary: Use of uninitialized value in constant expression when copy-constructing a std::expected from another copy-assigned non-erroneous std::expected Prod

[Bug ipa/98925] Extend ipa-prop to handle return functions for slot optimization

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=98925 --- Comment #4 from Sam James --- (In reply to Jan Hubicka from comment #3) > Return value range propagation was added in > r:53ba8d669550d3a1f809048428b97ca607f95cf5 > > however it works on scalar return values only for now. Extending it to > a

[Bug tree-optimization/111276] rewrite_to_defined_overflow rewrites already defined code

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=111276 Andrew Pinski changed: What|Removed |Added Keywords|patch | URL|https://gcc.gnu.org

[Bug rust/119641] narrowing Warning during bootstrap in Rust::BIR::PlaceDB::lookup_or_add_variable

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=119641 --- Comment #4 from Owen A. --- (In reply to Thomas Schwinge from comment #3) > (I haven't checked, but) supposedly fixed in trunk via commit > r16-237-gbeced835afa3908aa94550d2ca5ee3879a620adb "gccrs: Fix narrowing > conversion warnings". > >

[Bug tree-optimization/120080] [16 regression] ICE when building llvm-20.1.3 (find_bit_tests, at tree-switch-conversion.cc:1799)

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=120080 mcccs at gmx dot com changed: What|Removed |Added CC||mcccs at gmx dot com --- Comment

[Bug target/120083] Use vcvtneps2bf16 AVX512BF instruction to convert float to __bf16 on -O3 without needing -Ofast

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=120083 --- Comment #6 from mcccs at gmx dot com --- Thank you, reported https://github.com/llvm/llvm-project/issues/138424

[Bug target/120083] Use vcvtneps2bf16 AVX512BF instruction to convert float to __bf16 on -O3 without needing -Ofast

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=120083 --- Comment #5 from mcccs at gmx dot com --- Ah I see then there's the problem of denormals. I guess I'll report this to LLVM so that they may cripple naive AI libraries using O3.

[Bug target/120083] Use vcvtneps2bf16 AVX512BF instruction to convert float to __bf16 on -O3 without needing -Ofast

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=120083 --- Comment #4 from mcccs at gmx dot com --- By the way Andrew, wouldn't it be more performant to check for sNaN then use vcvtneps2bf16 instead of completely avoiding vcvtneps2bf16?

[Bug tree-optimization/120087] Miscompilation of a short-cut boolean expression in the presence of assume attribute.

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=120087 Andrew Pinski changed: What|Removed |Added Resolution|--- |DUPLICATE Status|UNCONFIRME

[Bug target/118977] m68k mcf5282 undefined symbol __atomic_test_and_set from atomic_base.h

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=118977 Joel Sherrill changed: What|Removed |Added Last reconfirmed||2025-5-3 Known to fail|

[Bug tree-optimization/117287] [13 Regression] assume attribute related miscompilation

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=117287 Andrew Pinski changed: What|Removed |Added CC||danilov at gmail dot com --- Comment #1

[Bug tree-optimization/120087] Miscompilation of a short-cut boolean expression in the presence of assume attribute.

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=120087 Andrew Pinski changed: What|Removed |Added See Also||https://gcc.gnu.org/bugzill

[Bug c/120087] New: Miscompilation of a short-cut boolean expression in the presence of assume attribute.

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=120087 Bug ID: 120087 Summary: Miscompilation of a short-cut boolean expression in the presence of assume attribute. Product: gcc Version: 13.1.0 Status: UNCONFIRMED

[Bug gcov-profile/120086] New: FAIL: gcc.misc-tests/gcov-29.c

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=120086 Bug ID: 120086 Summary: FAIL: gcc.misc-tests/gcov-29.c Product: gcc Version: 16.0 Status: UNCONFIRMED Severity: normal Priority: P3 Component: gcov-profile

[Bug tree-optimization/120080] [16 regression] ICE when building llvm-20.1.3 (find_bit_tests, at tree-switch-conversion.cc:1799)

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=120080 --- Comment #5 from Andrew Pinski --- (In reply to Andrew Pinski from comment #3) > Created attachment 61285 [details] > Reduced but not cleaned up all the way -O2 is enough to reproduce this one. Don't need any other options.

[Bug tree-optimization/120080] [16 regression] ICE when building llvm-20.1.3 (find_bit_tests, at tree-switch-conversion.cc:1799)

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=120080 Andrew Pinski changed: What|Removed |Added Ever confirmed|0 |1 Last reconfirmed|

[Bug tree-optimization/120080] [16 regression] ICE when building llvm-20.1.3 (find_bit_tests, at tree-switch-conversion.cc:1799)

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=120080 --- Comment #3 from Andrew Pinski --- Created attachment 61285 --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=61285&action=edit Reduced but not cleaned up all the way

[Bug gcov-profile/120086] FAIL: gcc.misc-tests/gcov-29.c

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=120086 --- Comment #1 from John David Anglin --- Similar fails: FAIL: gcc.misc-tests/gcov-30.c gcov: 0 failures in line counts, 0 in branch percentages, 0 in condition/decision, 12 in prime-paths, 0 in return percentages, 0 in intermediate format, 0 fa

[Bug rust/119641] narrowing Warning during bootstrap in Rust::BIR::PlaceDB::lookup_or_add_variable

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=119641 --- Comment #3 from Thomas Schwinge --- (I haven't checked, but) supposedly fixed in trunk via commit r16-237-gbeced835afa3908aa94550d2ca5ee3879a620adb "gccrs: Fix narrowing conversion warnings". Owen, for next time, to auto-annotate GCC Bugzil

[Bug fortran/102900] ICE via gfc_class_data_get with alloc_comp_class_4.f03 or proc_ptr_52.f90 using -fcheck=all

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=102900 anlauf at gcc dot gnu.org changed: What|Removed |Added Status|NEW |RESOLVED Resolution|

[Bug testsuite/120085] New: FAIL: gcc.dg/lto/modref-2 c_lto_modref-2_0.o-c_lto_modref-2_0.o link, -O2 -flto-partition=max -flto -fno-ipa-sra

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=120085 Bug ID: 120085 Summary: FAIL: gcc.dg/lto/modref-2 c_lto_modref-2_0.o-c_lto_modref-2_0.o link, -O2 -flto-partition=max -flto -fno-ipa-sra Product: gcc Version: 16

[Bug fortran/102900] ICE via gfc_class_data_get with alloc_comp_class_4.f03 or proc_ptr_52.f90 using -fcheck=all

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=102900 --- Comment #11 from GCC Commits --- The releases/gcc-15 branch has been updated by Harald Anlauf : https://gcc.gnu.org/g:768c8aed07aba2f240b92a7ee05be502cb5681b0 commit r15-9617-g768c8aed07aba2f240b92a7ee05be502cb5681b0 Author: Harald Anlauf

[Bug fortran/119986] Complex array part references are being passed incorrectly to a procedure

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=119986 anlauf at gcc dot gnu.org changed: What|Removed |Added Status|NEW |ASSIGNED Keywords|

[Bug testsuite/120084] FAIL: gcc-dg-lto-pr60779-01.exe scan-ltrans-tree-dump-times optimized "divdc3" 1

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=120084 --- Comment #2 from John David Anglin --- This changes test to unsupported on hppa64-hp-hpux11.11.

[Bug libgomp/91917] OpenACC 'acc_set_cuda_stream' return type

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=91917 sandra at gcc dot gnu.org changed: What|Removed |Added CC||sandra at gcc dot gnu.org ---

[Bug tree-optimization/120080] [16 regression] ICE when building llvm-20.1.3 (find_bit_tests, at tree-switch-conversion.cc:1799)

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=120080 Andrew Pinski changed: What|Removed |Added CC||pinskia at gcc dot gnu.org --- Comment

[Bug target/120083] Use vcvtneps2bf16 AVX512BF instruction to convert float to __bf16 on -O3 without needing -Ofast

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=120083 --- Comment #3 from Andrew Pinski --- (In reply to Andrew Pinski from comment #2) > GCC was changed not to emit them on purpose, see r15-5071-gde867e8da30bf5 > which made the change to only allow it at -Ofast. https://gcc.gnu.org/pipermail/gcc-

[Bug testsuite/120084] FAIL: gcc-dg-lto-pr60779-01.exe scan-ltrans-tree-dump-times optimized "divdc3" 1

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=120084 Andrew Pinski changed: What|Removed |Added Status|UNCONFIRMED |NEW Last reconfirmed|

[Bug lto/120084] New: FAIL: gcc-dg-lto-pr60779-01.exe scan-ltrans-tree-dump-times optimized "divdc3" 1

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=120084 Bug ID: 120084 Summary: FAIL: gcc-dg-lto-pr60779-01.exe scan-ltrans-tree-dump-times optimized "divdc3" 1 Product: gcc Version: 16.0 Status: UNCONFIRMED Severit

[Bug ada/114065] gnat build with -D_TIME_BITS=64 -D_FILE_OFFSET_BITS=64 fails on 32bit archs

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=114065 --- Comment #40 from Nicolas Boulenguez --- Created attachment 61282 --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=61282&action=edit fix details, improve diff readability Hello. This version fixes various cosmetic details in v15. The arc

[Bug target/119937] [15/16 Regression] ICE: Error detected at a-sttebu.ads:56:30

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=119937 --- Comment #9 from Matthias Klose --- this is only seen with a profiled bootstrap, make profiledbootstrap-lean, not with the bootstrap target.

[Bug target/120083] Use vcvtneps2bf16 AVX512BF instruction to convert float to __bf16 on -O3 without needing -Ofast

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=120083 Andrew Pinski changed: What|Removed |Added Resolution|--- |INVALID Status|UNCONFIRMED

[Bug fortran/120049] ICE when using IS_C_ASSOCIATED ()

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=120049 --- Comment #9 from Jerry DeLisle --- (In reply to kargls from comment #8) > (In reply to Jerry DeLisle from comment #7) > > That is exactly the patch I was testing Steve. > > I assume that you've found that you'll need to > deal with both c_pt

[Bug testsuite/120082] FAIL: gcc.dg/ipa/pr119318.c execution test due to endianness

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=120082 Andrew Pinski changed: What|Removed |Added Host|hppa64-hp-hpux11.11 | Build|hppa64-hp-hpux11.11

[Bug testsuite/120082] FAIL: gcc.dg/ipa/pr119318.c execution test

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=120082 Andrew Pinski changed: What|Removed |Added Ever confirmed|0 |1 Status|UNCONFIRMED

[Bug target/120083] Use vcvtneps2bf16 AVX512BF instruction to convert float to __bf16 on -O3 without needing -Ofast

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=120083 --- Comment #1 from mcccs at gmx dot com --- So the issue is doing what GCC does for Ofast for O3 as well, many thanks and kind regards

[Bug ipa/120082] FAIL: gcc.dg/ipa/pr119318.c execution test

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=120082 --- Comment #3 from John David Anglin --- Fails at first cmpb: => 0x400067bc : cmpb,*<> r0,ret0,0x40006804 0x400067c0 : depdi,z,* -7,31,5,ret0 0x400067c4 : cmpb,*<> ret0,ret1,0x40

[Bug target/120083] New: Use vcvtneps2bf16 AVX512BF instruction to convert float to __bf16

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=120083 Bug ID: 120083 Summary: Use vcvtneps2bf16 AVX512BF instruction to convert float to __bf16 Product: gcc Version: 16.0 Status: UNCONFIRMED Severity: normal

[Bug target/120050] [15/16 Regression] ICE bootstrapping on mips64el with --with-arch=gs464 --with-build-config=bootstrap-O3 --enable-checking=yes,extra

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=120050 --- Comment #7 from Jeffrey A. Law --- I'd forgotten about the MIPS quirks WRT promoted values. While you can have a value in a register without promotion, you can't *use* that value validly, even if it may otherwise appear to be safe to do so.

[Bug ipa/120082] FAIL: gcc.dg/ipa/pr119318.c execution test

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=120082 --- Comment #2 from John David Anglin --- Created attachment 61281 --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=61281&action=edit Assembler output

[Bug ipa/120082] FAIL: gcc.dg/ipa/pr119318.c execution test

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=120082 --- Comment #1 from John David Anglin --- Created attachment 61280 --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=61280&action=edit Preprocessed source.

[Bug ipa/120082] New: FAIL: gcc.dg/ipa/pr119318.c execution test

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=120082 Bug ID: 120082 Summary: FAIL: gcc.dg/ipa/pr119318.c execution test Product: gcc Version: 16.0 Status: UNCONFIRMED Severity: normal Priority: P3 Component: ipa

[Bug tree-optimization/120081] New: lsplit is not always working

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=120081 Bug ID: 120081 Summary: lsplit is not always working Product: gcc Version: 16.0 Status: UNCONFIRMED Keywords: missed-optimization Severity: enhancement Priorit

[Bug target/120050] [15/16 Regression] ICE bootstrapping on mips64el with --with-arch=gs464 --with-build-config=bootstrap-O3 --enable-checking=yes,extra

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=120050 --- Comment #6 from Xi Ruoyao --- Before ext-dce: (insn 421 420 422 43 (set (reg:DI 523 [ i ]) (sign_extend:DI (reg:SI 423 [ _144 ]))) 238 {extendsidi2} (expr_list:REG_DEAD (reg:SI 423 [ _144 ]) (nil))) (insn 440 439 441 45

[Bug c++/118874] [15 regression] ICE in copy_rtx, at rtl.cc:372

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=118874 --- Comment #22 from Iain Sandoe --- Given that Rainer reports that this is a regression from GCC-10, I was looking into back porting it for GCC-14.3. However, it does not seem that either the pr115905 or the test case here fail with current re

[Bug target/120050] [15/16 Regression] ICE bootstrapping on mips64el with --with-arch=gs464 --with-build-config=bootstrap-O3 --enable-checking=yes,extra

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=120050 --- Comment #5 from Xi Ruoyao --- Before ext-dce: (insn 420 419 421 43 (set (reg:SI 423 [ _144 ]) (truncate:SI (reg:DI 304 [ ivtmp.55 ]))) 203 {truncdisi2} (nil)) (insn 421 420 422 43 (set (reg:DI 523 [ i ]) (sign_extend:DI

[Bug target/120070] [15/16 regression] m68k-linux-gnu-gcc -Os ICE segfault compiling xfs_trans_ail.c

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=120070 --- Comment #5 from Mikael Pettersson --- (In reply to Mikael Pettersson from comment #4) > Bisected between 14.2.0 (old/good) and 15.1.0 (new/bad). > > 9cebf1234b88e55a04071bd55c9ec4e22c0899e6 is the first new commit > commit 9cebf1234b88e55a0

[Bug c++/119844] Incomplete types are displayed after the import module

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=119844 --- Comment #3 from printfne at gmail dot com --- Thank you for the solution you proposed. It is indeed very useful. Besides, I want to know if the C++ standard has any regulations on the symbols exported in the module? For example, make them the

[Bug c++/85944] Address of temporary at global scope not considered constexpr

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=85944 --- Comment #20 from GCC Commits --- The trunk branch has been updated by Jason Merrill : https://gcc.gnu.org/g:a63d871eac0e57002b4ab4e1522f3f3851183b5e commit r16-368-ga63d871eac0e57002b4ab4e1522f3f3851183b5e Author: Jason Merrill Date: Fri

คุณเดือดร้อน เราช่วยคุณได้ ไม่มีโอนก่อนไม่มีมัดจำ

[Bug tree-optimization/120069] [16 Regression] Yes another imagick -march=native -flto -Ofast + PGO regression between g:1c0cbc1b300e08df5ebfce00a7195890d78f2064 and g:55b01e17c793688a2878fa43a76df126

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=120069 Jan Hubicka changed: What|Removed |Added Last reconfirmed||2025-05-03 Ever confirmed|0

[Bug target/119900] [16 regression] imagick slowdown with -Ofast -march=native -fprofile-use since r16-39-gf6859fb621179e (interaction of rpad and late-combine)

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=119900 --- Comment #6 from Jan Hubicka --- Sadly this did not fix the whole regression. The problem is that after my change to enable ipa-cp to clone over cold edges we clone GetVirtualPixelsFromNexus twice (as constprop.0 and constprop.1). This func

[Bug preprocessor/120061] [14 Regression] libqt6webengine fails static_assert (__LINE__ == 470, ...)

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=120061 --- Comment #7 from Jakub Jelinek --- I'm not against reverting the patch, but I'd really like to understand what's going on, because 15/16 could very well be wrong too, just on larger testcases. Anyway, I've tried 468x empty line followed by #i

[Bug tree-optimization/120074] [15/16 regression] ICE on valid code at -O1 with "-fno-tree-copy-prop -fno-tree-forwprop -fno-tree-ccp" on x86_64-linux-gnu: in decompose, at wide-int.h:1049 since r15-6

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=120074 Richard Biener changed: What|Removed |Added Version|unknown |15.1.0 Priority|P3

[Bug rtl-optimization/120064] [15/16 Regression] -f[no-]ext-dce not documented

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=120064 Richard Biener changed: What|Removed |Added Priority|P3 |P2

[Bug preprocessor/120061] [14 Regression] libqt6webengine fails static_assert (__LINE__ == 470, ...)

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=120061 --- Comment #6 from Richard Biener --- Our build succeeds with GCC 15, but as Jakub says, location_t is larger there.

[Bug preprocessor/120061] [14 Regression] libqt6webengine fails static_assert (__LINE__ == 470, ...)

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=120061 --- Comment #5 from Richard Biener --- The preprocessed source is too large to attach as well (~4MB compressed).

[Bug preprocessor/120061] [14 Regression] libqt6webengine fails static_assert (__LINE__ == 470, ...)

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=120061 Richard Biener changed: What|Removed |Added Ever confirmed|0 |1 Status|UNCONFIRMED

[Bug target/120070] [15/16 regression] m68k-linux-gnu-gcc -Os ICE segfault compiling xfs_trans_ail.c

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=120070 Mikael Pettersson changed: What|Removed |Added CC||mikpelinux at gmail dot com --- Com

[Bug tree-optimization/120074] [15/16 regression] ICE on valid code at -O1 with "-fno-tree-copy-prop -fno-tree-forwprop -fno-tree-ccp" on x86_64-linux-gnu: in decompose, at wide-int.h:1049 since r15-6

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=120074 --- Comment #4 from Jakub Jelinek --- I wonder about: --- gcc/gimple-fold.cc.jj 2025-04-21 17:04:48.0 +0200 +++ gcc/gimple-fold.cc 2025-05-03 12:43:29.643908582 +0200 @@ -8337,7 +8337,8 @@ fold_truth_andor_for_ifcombine (enum tre

[Bug target/55212] [SH] Switch to LRA

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=55212 --- Comment #447 from John Paul Adrian Glaubitz --- (In reply to pietro from comment #446) > FYI, there's talk of forcing all GCC targets to use LRA for the next release: > > https://gcc.gnu.org/pipermail/gcc-patches/2025-May/682470.html > https

[Bug tree-optimization/120080] [16 regression] ICE when building llvm-20.1.3 (find_bit_tests, at tree-switch-conversion.cc:1799)

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=120080 Sam James changed: What|Removed |Added Target Milestone|--- |16.0 CC|

[Bug tree-optimization/120080] New: [16 regression] ICE when building llvm-20.1.3 (find_bit_tests, at tree-switch-conversion.cc:1799)

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=120080 Bug ID: 120080 Summary: [16 regression] ICE when building llvm-20.1.3 (find_bit_tests, at tree-switch-conversion.cc:1799) Product: gcc Version: 16.0 Status: UNCONFIRMED

[Bug tree-optimization/120074] [15/16 regression] ICE on valid code at -O1 with "-fno-tree-copy-prop -fno-tree-forwprop -fno-tree-ccp" on x86_64-linux-gnu: in decompose, at wide-int.h:1049 since r15-6

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=120074 Jakub Jelinek changed: What|Removed |Added Status|UNCONFIRMED |NEW Last reconfirmed|

[Bug target/120050] [15/16 Regression] ICE bootstrapping on mips64el with --with-arch=gs464 --with-build-config=bootstrap-O3 --enable-checking=yes,extra

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=120050 --- Comment #4 from Xi Ruoyao --- As a hack I disabled ext-dce for MIPS by default: diff --git a/gcc/config/mips/mips.cc b/gcc/config/mips/mips.cc index 24a28dcf817..cf4784c48bb 100644 --- a/gcc/config/mips/mips.cc +++ b/gcc/config/mips/mips.cc

[Bug target/120070] [15/16 regression] m68k-linux-gnu-gcc -Os ICE segfault compiling xfs_trans_ail.c

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=120070 Jakub Jelinek changed: What|Removed |Added CC||law at gcc dot gnu.org,

[Bug target/120070] [15/16 regression] m68k-linux-gnu-gcc -Os ICE segfault compiling xfs_trans_ail.c

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=120070 Jakub Jelinek changed: What|Removed |Added CC||jakub at gcc dot gnu.org --- Comment #2