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• 2026/09/25 [Bug fortran/127616] New: OpenMP map iterator wrong code parras at gcc dot gnu.org via Gcc-bugs
• 2026/09/25 [Bug lto/127589] [OpenMP] Offload: ICE in device LTO if the host code uses '_Float16', only-half-supported by gcn and nvptx burnus at gcc dot gnu.org via Gcc-bugs
• 2026/09/25 [Bug lto/127589] [OpenMP] Offload: ICE in device LTO if the host code uses '_Float16', only-half-supported by gcn and nvptx cvs-commit at gcc dot gnu.org via Gcc-bugs
• 2026/09/25 [Bug c/127615] New: Constexpr function calls in C aaron at aaronballman dot com via Gcc-bugs
• 2026/09/25 [Bug c++/127614] New: definition of static constexpr member with placeholder type and requires-expression initializer defers definition instantiation despite the definition being required to exist irvsrc at gmail dot com via Gcc-bugs
• 2026/09/25 [Bug target/127597] -mvector-strict-align flag does not work as expected rdapp at gcc dot gnu.org via Gcc-bugs
• 2026/09/25 [Bug target/112465] libgcc: aarch64: lse runtime does not work with big data segments cvs-commit at gcc dot gnu.org via Gcc-bugs
• 2026/09/25 [Bug rtl-optimization/127606] [17 Regression] wrong code at -O{2,3} with "-fno-guess-branch-probability -fno-tree-loop-im -fno-tree-pre -fno-forward-propagate -fno-ipa-ra -fno-tree-ch" on x86_64-linux-gnu rguenth at gcc dot gnu.org via Gcc-bugs
• 2026/09/25 [Bug tree-optimization/127588] [16 Regression] wrong code at -O{2, 3} with -fno-vect-cost-model on x86_64-linux-gnu rguenth at gcc dot gnu.org via Gcc-bugs
• 2026/09/25 [Bug rtl-optimization/127606] [17 Regression] wrong code at -O{2,3} with "-fno-guess-branch-probability -fno-tree-loop-im -fno-tree-pre -fno-forward-propagate -fno-ipa-ra -fno-tree-ch" on x86_64-linux-gnu ubizjak at gmail dot com via Gcc-bugs
• 2026/09/25 [Bug tree-optimization/127610] 400.perlbench build 40% slower since r17-4133-g230d950810f378 (inefficient LTO partitioning?) pheeck at gcc dot gnu.org via Gcc-bugs
• 2026/09/25 [Bug fortran/127612] Rank-remapping pointer assignment can incorrectly set the span mikael at gcc dot gnu.org via Gcc-bugs
• 2026/09/25 [Bug fortran/127613] Polymorphic contiguous values not recognized as simply contiguous mikael at gcc dot gnu.org via Gcc-bugs
• 2026/09/25 [Bug fortran/127613] New: Polymorphic contiguous values not recognized as simply contiguous mikael at gcc dot gnu.org via Gcc-bugs
• 2026/09/25 [Bug rtl-optimization/127606] [17 Regression] wrong code at -O{2,3} with "-fno-guess-branch-probability -fno-tree-loop-im -fno-tree-pre -fno-forward-propagate -fno-ipa-ra -fno-tree-ch" on x86_64-linux-gnu rguenth at gcc dot gnu.org via Gcc-bugs
• 2026/09/25 [Bug tree-optimization/127610] [17 Regression] 400.perlbench build 40% slower since r17-4133-g230d950810f378 (inefficient LTO partitioning?) pinskia at gcc dot gnu.org via Gcc-bugs
• 2026/09/25 [Bug rtl-optimization/127606] [17 Regression] wrong code at -O{2,3} with "-fno-guess-branch-probability -fno-tree-loop-im -fno-tree-pre -fno-forward-propagate -fno-ipa-ra -fno-tree-ch" on x86_64-linux-gnu ubizjak at gmail dot com via Gcc-bugs
• 2026/09/25 [Bug fortran/127611] Polymorphic array pointer access use the size from the vptr as span mikael at gcc dot gnu.org via Gcc-bugs
• 2026/09/25 [Bug fortran/127612] Rank-remapping pointer assignment can incorrectly set the span mikael at gcc dot gnu.org via Gcc-bugs
• 2026/09/25 [Bug fortran/127612] New: Rank-remapping pointer assignment can incorrectly set the span mikael at gcc dot gnu.org via Gcc-bugs
• 2026/09/25 [Bug c++/127607] Erroneous uninitialization after optimisation sjames at gcc dot gnu.org via Gcc-bugs
• 2026/09/25 [Bug rtl-optimization/127606] [17 Regression] wrong code at -O{2,3} with "-fno-guess-branch-probability -fno-tree-loop-im -fno-tree-pre -fno-forward-propagate -fno-ipa-ra -fno-tree-ch" on x86_64-linux-gnu rguenth at gcc dot gnu.org via Gcc-bugs
• 2026/09/25 [Bug target/54412] minimal 32-byte stack alignment with -mavx on 64-bit Windows cvs-commit at gcc dot gnu.org via Gcc-bugs
• 2026/09/25 [Bug target/54412] minimal 32-byte stack alignment with -mavx on 64-bit Windows cvs-commit at gcc dot gnu.org via Gcc-bugs
• 2026/09/25 [Bug c++/127607] Erroneous uninitialization after optimisation sjames at gcc dot gnu.org via Gcc-bugs
• 2026/09/25 [Bug tree-optimization/127610] 400.perlbench build 40% slower since r17-4133-g230d950810f378 (inefficient LTO partitioning?) pinskia at gcc dot gnu.org via Gcc-bugs
• 2026/09/25 [Bug c++/127607] Erroneous uninitialization after optimisation luxeveningduval at gmail dot com via Gcc-bugs
• 2026/09/25 [Bug fortran/127611] Polymorphic array pointer access use the size from the vptr as span mikael at gcc dot gnu.org via Gcc-bugs
• 2026/09/25 [Bug algol68/125959] GCC16 Algol68 backports jemarch at gcc dot gnu.org via Gcc-bugs
• 2026/09/25 [Bug tree-optimization/127588] [17 Regression] wrong code at -O{2, 3} with -fno-vect-cost-model on x86_64-linux-gnu cvs-commit at gcc dot gnu.org via Gcc-bugs
• 2026/09/25 [Bug libstdc++/127555] filesystem::remove_all fails on targets with neither unlinkat nor dirent::d_type redi at gcc dot gnu.org via Gcc-bugs
• 2026/09/25 [Bug tree-optimization/127090] [16/17 Regression] -Wuse-after-free does not warn on trivial example anymore since r16-6531 jakub at gcc dot gnu.org via Gcc-bugs
• 2026/09/25 [Bug target/106770] powerpc64le: Unnecessary xxpermdi before mfvsrd cvs-commit at gcc dot gnu.org via Gcc-bugs
• 2026/09/25 [Bug analyzer/127198] [16/17 Regression] ICE: in validate, at analyzer/store.cc:720 with -Og -fanalyzer since r16-6962 jakub at gcc dot gnu.org via Gcc-bugs
• 2026/09/25 [Bug libstdc++/127555] filesystem::remove_all fails on targets with neither unlinkat nor dirent::d_type redi at gcc dot gnu.org via Gcc-bugs
• 2026/09/25 [Bug fortran/127611] New: Polymorphic array pointer access use the size from the vptr as span mikael at gcc dot gnu.org via Gcc-bugs
• 2026/09/25 [Bug tree-optimization/127610] 400.perlbench build 40% slower since r17-4133-g230d950810f378 (inefficient LTO partitioning?) pheeck at gcc dot gnu.org via Gcc-bugs
• 2026/09/25 [Bug c++/127607] Erroneous uninitialization after optimisation sjames at gcc dot gnu.org via Gcc-bugs
• 2026/09/25 [Bug tree-optimization/126848] Repeated reads of an indeterminate value do not yield the same value sjames at gcc dot gnu.org via Gcc-bugs
• 2026/09/25 [Bug rtl-optimization/127606] [17 Regression] wrong code at -O{2,3} with "-fno-guess-branch-probability -fno-tree-loop-im -fno-tree-pre -fno-forward-propagate -fno-ipa-ra -fno-tree-ch" on x86_64-linux-gnu rguenth at gcc dot gnu.org via Gcc-bugs
• 2026/09/25 [Bug tree-optimization/127610] 400.perlbench build 40% slower since r17-4133-g230d950810f378 (inefficient LTO partitioning?) pheeck at gcc dot gnu.org via Gcc-bugs
• 2026/09/25 [Bug tree-optimization/127610] New: 400.perlbench build 40% slower since r17-4133-g230d950810f378 (inefficient LTO partitioning?) pheeck at gcc dot gnu.org via Gcc-bugs
• 2026/09/25 [Bug tree-optimization/127600] [14/15/16 Regression] wrong code at -O{2,3} rguenth at gcc dot gnu.org via Gcc-bugs
• 2026/09/25 [Bug tree-optimization/127601] [16/17 Regression] vectorizer introduces reads outside a page boundary; load gather cvs-commit at gcc dot gnu.org via Gcc-bugs
• 2026/09/25 [Bug tree-optimization/127609] New: [graphite] -floop-nest-optimize expands a 720-store loop into 429496729820 iterations bouncy12578 at gmail dot com via Gcc-bugs
• 2026/09/25 [Bug tree-optimization/127600] [14/15/16/17 Regression]wrong code at -O{2,3} cvs-commit at gcc dot gnu.org via Gcc-bugs
• 2026/09/25 [Bug middle-end/127517] wrong code with _BitInt(127) and __builtin_mul_overflow at -O2 cvs-commit at gcc dot gnu.org via Gcc-bugs
• 2026/09/25 [Bug rtl-optimization/127606] [17 Regression] wrong code at -O{2,3} with "-fno-guess-branch-probability -fno-tree-loop-im -fno-tree-pre -fno-forward-propagate -fno-ipa-ra -fno-tree-ch" on x86_64-linux-gnu rguenth at gcc dot gnu.org via Gcc-bugs
• 2026/09/25 [Bug c++/127598] Forward declared classes / struct, fail with "bad file data" when further defined with an implementation that contains a lambda (c++ modules) redi at gcc dot gnu.org via Gcc-bugs
• 2026/09/25 [Bug tree-optimization/127600] [14/15/16/17 Regression]wrong code at -O{2,3} rguenth at gcc dot gnu.org via Gcc-bugs
• 2026/09/25 [Bug tree-optimization/127601] [16/17 Regression] vectorizer introduces reads outside a page boundary; load gather rguenth at gcc dot gnu.org via Gcc-bugs
• 2026/09/25 [Bug fortran/127591] Intrinsic polymorphic assignment run time error - an update daneel at hotmail dot it via Gcc-bugs
• 2026/09/25 [Bug tree-optimization/127601] [16/17 Regression] vectorizer introduces reads outside a page boundary; load gather rguenth at gcc dot gnu.org via Gcc-bugs
• 2026/09/25 [Bug rtl-optimization/127606] [17 Regression] wrong code at -O{2,3} with "-fno-guess-branch-probability -fno-tree-loop-im -fno-tree-pre -fno-forward-propagate -fno-ipa-ra -fno-tree-ch" on x86_64-linux-gnu pinskia at gcc dot gnu.org via Gcc-bugs
• 2026/09/25 [Bug tree-optimization/127601] [16/17 Regression] vectorizer introduces reads outside a page boundary; load gather rguenth at gcc dot gnu.org via Gcc-bugs
• 2026/09/25 [Bug rtl-optimization/127606] [17 Regression] wrong code at -O{2,3} with "-fno-guess-branch-probability -fno-tree-loop-im -fno-tree-pre -fno-forward-propagate -fno-ipa-ra -fno-tree-ch" on x86_64-linux-gnu sjames at gcc dot gnu.org via Gcc-bugs
• 2026/09/25 [Bug rtl-optimization/127606] [17 Regression] wrong code at -O{2,3} with "-fno-guess-branch-probability -fno-tree-loop-im -fno-tree-pre -fno-forward-propagate -fno-ipa-ra -fno-tree-ch" on x86_64-linux-gnu rguenth at gcc dot gnu.org via Gcc-bugs
• 2026/09/25 [Bug c/127608] New: ICE in ctor_for_folding (varpool.cc) with a two-level '#pragma weak' alias chain on variables that are also defined captainnemo9292 at gmail dot com via Gcc-bugs
• 2026/09/25 [Bug tree-optimization/127596] [16/17 Regression] wrong code at -O3 with "-fno-thread-jumps -ftracer -fno-tree-forwprop" on x86_64-linux-gnu rguenth at gcc dot gnu.org via Gcc-bugs
• 2026/09/25 [Bug bootstrap/127603] Bootstrap broken on FreeBSD rguenth at gcc dot gnu.org via Gcc-bugs
• 2026/09/25 [Bug c++/127607] Erroneous uninitialization after optimisation sjames at gcc dot gnu.org via Gcc-bugs
• 2026/09/25 [Bug c++/127607] New: Erroneous uninitialization after optimisation luxeveningduval at gmail dot com via Gcc-bugs
• 2026/09/24 [Bug tree-optimization/127552] [17 Regression] ICE in decompose, at wide-int.h:1049 since r17-4511-g885ad73e630ca2 cvs-commit at gcc dot gnu.org via Gcc-bugs
• 2026/09/24 [Bug tree-optimization/127552] [17 Regression] ICE in decompose, at wide-int.h:1049 since r17-4511-g885ad73e630ca2 artemiyv at gcc dot gnu.org via Gcc-bugs
• 2026/09/24 [Bug modula2/127567] Import in local module does not import from the universe of modules cvs-commit at gcc dot gnu.org via Gcc-bugs
• 2026/09/24 [Bug modula2/127567] Import in local module does not import from the universe of modules gaius at gcc dot gnu.org via Gcc-bugs
• 2026/09/24 [Bug tree-optimization/127606] New: wrong code at -O{2,3} with "-fno-guess-branch-probability -fno-tree-loop-im -fno-tree-pre -fno-forward-propagate -fno-ipa-ra -fno-tree-ch" on x86_64-linux-gnu zhendong.su at inf dot ethz.ch via Gcc-bugs
• 2026/09/24 [Bug tree-optimization/127605] [17 Regression] during GIMPLE pass: ccp ICE: in decompose, at wide-int.h:1049 -Og -mavx512f since r17-4511 artemiyv at gcc dot gnu.org via Gcc-bugs
• 2026/09/24 [Bug tree-optimization/127552] [17 Regression] ICE in decompose, at wide-int.h:1049 since r17-4511-g885ad73e630ca2 artemiyv at gcc dot gnu.org via Gcc-bugs
• 2026/09/24 [Bug tree-optimization/127605] [17 Regression] during GIMPLE pass: ccp ICE: in decompose, at wide-int.h:1049 -Og -mavx512f since r17-4511 artemiyv at gcc dot gnu.org via Gcc-bugs
• 2026/09/24 [Bug tree-optimization/127605] [17 Regression] during GIMPLE pass: ccp ICE: in decompose, at wide-int.h:1049 -Og -mavx512f since r17-4511 pinskia at gcc dot gnu.org via Gcc-bugs
• 2026/09/24 [Bug tree-optimization/127605] [17 Regression] during GIMPLE pass: ccp ICE: in decompose, at wide-int.h:1049 -Og -mavx512f since r17-4511 pinskia at gcc dot gnu.org via Gcc-bugs
• 2026/09/24 [Bug tree-optimization/127605] [17 Regression] during GIMPLE pass: ccp ICE: in decompose, at wide-int.h:1049 -Og -mavx512f pinskia at gcc dot gnu.org via Gcc-bugs
• 2026/09/24 [Bug target/127605] New: [17 Regression] during GIMPLE pass: ccp ICE: in decompose, at wide-int.h:1049 -Og -mavx512f zsojka at seznam dot cz via Gcc-bugs
• 2026/09/24 [Bug c++/123821] ICE in gimple_add_tmp_var, at gimplify.cc:841 with structured binding declared static in constructor or destructor pinskia at gcc dot gnu.org via Gcc-bugs
• 2026/09/24 [Bug c++/127604] internal compiler error: in gimple_add_tmp_var, at gimplify.cc:845 pinskia at gcc dot gnu.org via Gcc-bugs
• 2026/09/24 [Bug middle-end/127602] Stackoverflow with function with lot of local variables with destructor pinskia at gcc dot gnu.org via Gcc-bugs
• 2026/09/24 [Bug middle-end/127602] Stackoverflow with function with lot of local variables with destructor pinskia at gcc dot gnu.org via Gcc-bugs
• 2026/09/24 [Bug middle-end/127602] Stackoverflow with function with lot of local variables with destructor pinskia at gcc dot gnu.org via Gcc-bugs
• 2026/09/24 [Bug middle-end/127602] Stackoverflow with function with lot of local variables with destructor pinskia at gcc dot gnu.org via Gcc-bugs
• 2026/09/24 [Bug c++/127604] New: internal compiler error: in gimple_add_tmp_var, at gimplify.cc:845 89.64.xjp at protonmail dot com via Gcc-bugs
• 2026/09/24 [Bug testsuite/127587] [GCN, gfx906] FAIL: gcc.dg/vect/vect-alias-check-ptr-info-2.c execution test pinskia at gcc dot gnu.org via Gcc-bugs
• 2026/09/24 [Bug testsuite/127587] [GCN, gfx906] FAIL: gcc.dg/vect/vect-alias-check-ptr-info-2.c execution test cvs-commit at gcc dot gnu.org via Gcc-bugs
• 2026/09/24 [Bug target/127599] [17 Regression] Intrinsics workloads ICE with segfault on AArch64 since g:4182cf11e1e3d2ebcf4f5c3dff157f844a635bf8 pinskia at gcc dot gnu.org via Gcc-bugs
• 2026/09/24 [Bug target/127599] [17 Regression] Intrinsics workloads ICE with segfault on AArch64 since g:4182cf11e1e3d2ebcf4f5c3dff157f844a635bf8 cvs-commit at gcc dot gnu.org via Gcc-bugs
• 2026/09/24 [Bug bootstrap/127603] New: Bootstrap broken on FreeBSD kargl at gcc dot gnu.org via Gcc-bugs
• 2026/09/24 [Bug c++/127602] Stackoverflow with function with lot of local variables with destructor pinskia at gcc dot gnu.org via Gcc-bugs
• 2026/09/24 [Bug c++/127602] Stackoverflow with function with lot of local variables with destructor pinskia at gcc dot gnu.org via Gcc-bugs
• 2026/09/24 [Bug c++/127602] New: Segmentation fault when having a lot of cleanups antoyo at gcc dot gnu.org via Gcc-bugs
• 2026/09/24 [Bug target/127538] [16/17 Regression] Failure to merge SUB+CMP --> SUBS on aarch64 pinskia at gcc dot gnu.org via Gcc-bugs
• 2026/09/24 [Bug preprocessor/127491] inconsistency between the Preprocessor documentation and the C extenstion documentation for `,## __VA_ARGS__` and empty macro arguments pinskia at gcc dot gnu.org via Gcc-bugs
• 2026/09/24 [Bug tree-optimization/127601] [16/17 Regression] vectorizer introduces reads outside a page boundary; load gather pinskia at gcc dot gnu.org via Gcc-bugs
• 2026/09/24 [Bug c/127436] ICE: Segmentation fault on store_expr kyuwoncho18 at gmail dot com via Gcc-bugs
• 2026/09/24 [Bug c/101057] [meta-bug] [gimplefe] GIMPLE frontend issues kyuwoncho18 at gmail dot com via Gcc-bugs
• 2026/09/24 [Bug libfortran/127347] [COARRAY] Wrong code at runtime can hang. cvs-commit at gcc dot gnu.org via Gcc-bugs
• 2026/09/24 [Bug libfortran/127347] [COARRAY] Wrong code at runtime can hang. cvs-commit at gcc dot gnu.org via Gcc-bugs
• 2026/09/24 [Bug libfortran/127347] [COARRAY] Wrong code at runtime can hang. cvs-commit at gcc dot gnu.org via Gcc-bugs
• 2026/09/24 [Bug testsuite/127587] [GCN, gfx906] FAIL: gcc.dg/vect/vect-alias-check-ptr-info-2.c execution test pinskia at gcc dot gnu.org via Gcc-bugs
• 2026/09/24 [Bug modula2/127567] Import in local module does not import from the universe of modules gaius at gcc dot gnu.org via Gcc-bugs
• 2026/09/24 [Bug tree-optimization/127596] [16/17 Regression] wrong code at -O3 with "-fno-thread-jumps -ftracer -fno-tree-forwprop" on x86_64-linux-gnu pinskia at gcc dot gnu.org via Gcc-bugs
• 2026/09/24 [Bug modula2/127567] Import in local module does not import from the universe of modules gaius at gcc dot gnu.org via Gcc-bugs
• 2026/09/24 [Bug fortran/127591] Intrinsic polymorphic assignment run time error - an update kargl at gcc dot gnu.org via Gcc-bugs
• 2026/09/24 [Bug tree-optimization/127596] [16/17 Regression] wrong code at -O3 with "-fno-thread-jumps -ftracer -fno-tree-forwprop" on x86_64-linux-gnu pinskia at gcc dot gnu.org via Gcc-bugs
• 2026/09/24 [Bug testsuite/127587] [GCN, gfx906] FAIL: gcc.dg/vect/vect-alias-check-ptr-info-2.c execution test pinskia at gcc dot gnu.org via Gcc-bugs
• 2026/09/24 [Bug fortran/127591] Intrinsic polymorphic assignment run time error - an update kargl at gcc dot gnu.org via Gcc-bugs
• 2026/09/24 [Bug target/127599] [17 Regression] Intrinsics workloads ICE with segfault on AArch64 since g:4182cf11e1e3d2ebcf4f5c3dff157f844a635bf8 pinskia at gcc dot gnu.org via Gcc-bugs
• 2026/09/24 [Bug target/127599] [17 Regression] Intrinsics workloads ICE with segfault on AArch64 since g:4182cf11e1e3d2ebcf4f5c3dff157f844a635bf8 pinskia at gcc dot gnu.org via Gcc-bugs
• 2026/09/24 [Bug c/101057] [meta-bug] [gimplefe] GIMPLE frontend issues pinskia at gcc dot gnu.org via Gcc-bugs
• 2026/09/24 [Bug c/127436] ICE: Segmentation fault on store_expr pinskia at gcc dot gnu.org via Gcc-bugs
• 2026/09/24 [Bug tree-optimization/127601] New: wrong code at -O3 due to vectorizer kyuwoncho18 at gmail dot com via Gcc-bugs
• 2026/09/24 [Bug tree-optimization/127600] [14/15/16/17 Regression]wrong code at -O{2,3} pinskia at gcc dot gnu.org via Gcc-bugs
• 2026/09/24 [Bug tree-optimization/127600] New: wrong code at -O{2,3} kyuwoncho18 at gmail dot com via Gcc-bugs
• 2026/09/24 [Bug fortran/127591] Intrinsic polymorphic assignment run time error - an update kargl at gcc dot gnu.org via Gcc-bugs
• 2026/09/24 [Bug target/127599] [17 Regression] Intrinsics workloads ICE with segfault on AArch64 since g:4182cf11e1e3d2ebcf4f5c3dff157f844a635bf8 tnfchris at gcc dot gnu.org via Gcc-bugs
• 2026/09/24 [Bug target/127599] [17 Regression] Intrinsics workloads ICE with segfault on AArch64 since g:4182cf11e1e3d2ebcf4f5c3dff157f844a635bf8 pinskia at gcc dot gnu.org via Gcc-bugs
• 2026/09/24 [Bug target/127599] [17 Regression] Intrinsics workloads ICE with segfault on AArch64 since g:4182cf11e1e3d2ebcf4f5c3dff157f844a635bf8 tnfchris at gcc dot gnu.org via Gcc-bugs
• 2026/09/24 [Bug target/127599] New: [17 Regression] Intrinsics workloads ICE with segfault on AArch64 since g:4182cf11e1e3d2ebcf4f5c3dff157f844a635bf8 tnfchris at gcc dot gnu.org via Gcc-bugs
• 2026/09/24 [Bug c++/127598] New: Forward declared classes / struct, fail with "bad file data" when further defined with an implementation that contains a lambda (c++ modules) kingdomkind at protonmail dot com via Gcc-bugs
• 2026/09/24 [Bug target/127597] -mvector-strict-align flag does not work as expected blank9.page at gmail dot com via Gcc-bugs
• 2026/09/24 [Bug target/127597] -mvector-strict-align flag does not work as expected blank9.page at gmail dot com via Gcc-bugs
• 2026/09/24 [Bug c/127597] New: -mvector-strict-align flag does not work as expected blank9.page at gmail dot com via Gcc-bugs
• 2026/09/24 [Bug target/127432] [17 Regression] 17% slowdown of calculix on aarch64 since r17-4170-g81d25063773b48 pinskia at gcc dot gnu.org via Gcc-bugs
• 2026/09/24 [Bug tree-optimization/127588] [17 Regression] wrong code at -O{2, 3} with -fno-vect-cost-model on x86_64-linux-gnu kaelfandrew at gmail dot com via Gcc-bugs
• 2026/09/24 [Bug tree-optimization/127590] wrong code at -O1 on x86_64-linux-gnu zhendong.su at inf dot ethz.ch via Gcc-bugs
• 2026/09/24 [Bug target/127432] [17 Regression] 17% slowdown of calculix on aarch64 since r17-4170-g81d25063773b48 jmelcr at gcc dot gnu.org via Gcc-bugs
• 2026/09/24 [Bug tree-optimization/127596] wrong code at -O3 with "-fno-thread-jumps -ftracer -fno-tree-forwprop" on x86_64-linux-gnu zhendong.su at inf dot ethz.ch via Gcc-bugs
• 2026/09/24 [Bug tree-optimization/126848] Repeated reads of an indeterminate value do not yield the same value cvs-commit at gcc dot gnu.org via Gcc-bugs
• 2026/09/24 [Bug target/127587] [GCN, gfx906] FAIL: gcc.dg/vect/vect-alias-check-ptr-info-2.c execution test ams at gcc dot gnu.org via Gcc-bugs
• 2026/09/24 [Bug target/127587] [GCN, gfx906] FAIL: gcc.dg/vect/vect-alias-check-ptr-info-2.c execution test ams at gcc dot gnu.org via Gcc-bugs
• 2026/09/24 [Bug diagnostics/127594] New: [17 regression] -Wdelete-non-virtual-dtor in diagnostics/digraphs.cc sjames at gcc dot gnu.org via Gcc-bugs
• 2026/09/24 [Bug lto/127589] [OpenMP] Offload: ICE in device LTO if the host code uses '_Float16', only-half-supported by gcn and nvptx burnus at gcc dot gnu.org via Gcc-bugs
• 2026/09/24 [Bug tree-optimization/127596] wrong code at -O3 with "-fno-thread-jumps -ftracer -fno-tree-forwprop" on x86_64-linux-gnu pinskia at gcc dot gnu.org via Gcc-bugs
• 2026/09/24 [Bug tree-optimization/127596] New: wrong code at -O3 with "-fno-thread-jumps -ftracer -fno-tree-forwprop" on x86_64-linux-gnu zhendong.su at inf dot ethz.ch via Gcc-bugs
• 2026/09/24 [Bug tree-optimization/127571] [16 Regression] UBSAN: signed integer overflow: 9223372036854775800 - -32 cannot be represented in type 'long int' since r17-4215-g492fbdbf99dc9d rguenth at gcc dot gnu.org via Gcc-bugs
• 2026/09/24 [Bug tree-optimization/127571] [16 Regression] UBSAN: signed integer overflow: 9223372036854775800 - -32 cannot be represented in type 'long int' since r17-4215-g492fbdbf99dc9d pheeck at gcc dot gnu.org via Gcc-bugs
• 2026/09/24 [Bug c++/127592] : [17 Regression] [reflection] -fsanitize=null rejects template for over enumerators_of after P4101 rguenth at gcc dot gnu.org via Gcc-bugs
• 2026/09/24 [Bug target/127587] [GCN, gfx906] FAIL: gcc.dg/vect/vect-alias-check-ptr-info-2.c execution test rguenth at gcc dot gnu.org via Gcc-bugs
• 2026/09/24 [Bug preprocessor/127491] Variadic macro documentation incorrectly says , ## __VA_ARGS__ removes the comma for an empty argument bic60176 at gmail dot com via Gcc-bugs
• 2026/09/24 [Bug tree-optimization/127588] [17 Regression] wrong code at -O{2, 3} with -fno-vect-cost-model on x86_64-linux-gnu rguenth at gcc dot gnu.org via Gcc-bugs
• 2026/09/24 [Bug rtl-optimization/127326] [x86_32] error: inconsistent operand constraints in an 'asm' with TDmode vmakarov at gcc dot gnu.org via Gcc-bugs
• 2026/09/24 [Bug tree-optimization/127377] [14/15 Regression] Wrong code at -O3 on x86_64-pc-linux-gnu rguenth at gcc dot gnu.org via Gcc-bugs
• 2026/09/24 [Bug c++/127595] [ICE] internal compiler error: in verify_ctor_sanity, at cp/constexpr.cc:7376 via brace initialization in template sjames at gcc dot gnu.org via Gcc-bugs
• 2026/09/24 [Bug c++/127395] [17 Regression] ICE on abseil-cpp-20260817: in verify_ctor_sanity, at cp/constexpr.cc:7362 since r17-4199 sjames at gcc dot gnu.org via Gcc-bugs
• 2026/09/24 [Bug testsuite/125965] rs6000: Few Power10 big-endian tests fail due to endian-dependent expected values mmatti.gnu at gmail dot com via Gcc-bugs
• 2026/09/24 [Bug other/63426] [meta-bug] Issues found with -fsanitize=undefined rguenth at gcc dot gnu.org via Gcc-bugs
• 2026/09/24 [Bug tree-optimization/127571] [16 Regression] UBSAN: signed integer overflow: 9223372036854775800 - -32 cannot be represented in type 'long int' since r17-4215-g492fbdbf99dc9d cvs-commit at gcc dot gnu.org via Gcc-bugs
• 2026/09/24 [Bug diagnostics/127594] [17 regression] -Wdelete-non-virtual-dtor in diagnostics/digraphs.cc sjames at gcc dot gnu.org via Gcc-bugs
• 2026/09/24 [Bug c++/127595] New: [ICE] internal compiler error: in verify_ctor_sanity, at cp/constexpr.cc:7376 via brace initialization in template s103360021 at gmail dot com via Gcc-bugs
• 2026/09/24 [Bug tree-optimization/127590] wrong code at -O1 on x86_64-linux-gnu pinskia at gcc dot gnu.org via Gcc-bugs
• 2026/09/24 [Bug diagnostics/127594] [17 regression] -Wdelete-non-virtual-dtor in diagnostics/digraphs.cc sjames at gcc dot gnu.org via Gcc-bugs
• 2026/09/24 [Bug diagnostics/127594] [17 regression] -Wdelete-non-virtual-dtor in diagnostics/digraphs.cc sjames at gcc dot gnu.org via Gcc-bugs
• 2026/09/24 [Bug analyzer/127593] New: Analyzer reports memory leak for valid code (-Wanalyzer-malloc-leak) b.buschinski at googlemail dot com via Gcc-bugs
• 2026/09/24 [Bug lto/127589] [OpenMP] Offload: ICE in device LTO if the host code uses '_Float16', only-half-supported by gcn and nvptx burnus at gcc dot gnu.org via Gcc-bugs
• 2026/09/24 [Bug c++/127592] New: : [17 Regression] [reflection] -fsanitize=null rejects template for over enumerators_of after P4101 philip at pobox dot com via Gcc-bugs
• 2026/09/24 [Bug lto/127589] [OpenMP] Offload: ICE in device LTO if the host code uses '_Float16', unsupported by gcn and nvptx burnus at gcc dot gnu.org via Gcc-bugs
• 2026/09/24 [Bug middle-end/127517] wrong code with _BitInt(127) and __builtin_mul_overflow at -O2 jakub at gcc dot gnu.org via Gcc-bugs
• 2026/09/24 [Bug fortran/127591] New: Intrinsic polymorphic assignment run time error - an update daneel at hotmail dot it via Gcc-bugs
• 2026/09/24 [Bug target/127542] [GCN] ICE: too few operands for instruction v_bcnt_u32_b32 v4, v4 ams at gcc dot gnu.org via Gcc-bugs
• 2026/09/24 [Bug target/127542] [GCN] ICE: too few operands for instruction v_bcnt_u32_b32 v4, v4 cvs-commit at gcc dot gnu.org via Gcc-bugs
• 2026/09/24 [Bug tree-optimization/127579] [16 Regression] ICE when building with -mgeneral-regs -march=armv9-a since g:b3355804c7054bce288b643ce127ec5e9d0c2061 tnfchris at gcc dot gnu.org via Gcc-bugs
• 2026/09/24 [Bug target/127587] New: [GCN, gfx906] FAIL: gcc.dg/vect/vect-alias-check-ptr-info-2.c execution test tschwinge at gcc dot gnu.org via Gcc-bugs
• 2026/09/24 [Bug tree-optimization/127579] [16/17 Regression] ICE when building with -mgeneral-regs -march=armv9-a since g:b3355804c7054bce288b643ce127ec5e9d0c2061 cvs-commit at gcc dot gnu.org via Gcc-bugs
• 2026/09/24 [Bug tree-optimization/127590] New: wrong code at -O1 on x86_64-linux-gnu zhendong.su at inf dot ethz.ch via Gcc-bugs
• 2026/09/24 [Bug lto/127589] [OpenMP] Offload: ICE in device LTO if the host code uses '_Float16', unsupported by gcn and nvptx burnus at gcc dot gnu.org via Gcc-bugs
• 2026/09/24 [Bug lto/127589] New: [OpenMP] Offload: ICE in device LTO if the host code uses '_Float16', unsupported by gcn and nvptx burnus at gcc dot gnu.org via Gcc-bugs
• 2026/09/24 [Bug tree-optimization/127588] New: wrong code at -O{2,3} with -fno-vect-cost-model on x86_64-linux-gnu zhendong.su at inf dot ethz.ch via Gcc-bugs
• 2026/09/24 [Bug testsuite/127066] [17 regression] g++.old-deja/g++.pt/ptrmem6.C XPASSes tschwinge at gcc dot gnu.org via Gcc-bugs
• 2026/09/24 [Bug c++/127559] [OpenMP] ICE (incorrect sharing of tree nodes) with a lambda during GIMPLE pass: cfg burnus at gcc dot gnu.org via Gcc-bugs
• 2026/09/24 [Bug tree-optimization/127571] [16 Regression] UBSAN: signed integer overflow: 9223372036854775800 - -32 cannot be represented in type 'long int' since r17-4215-g492fbdbf99dc9d jamborm at gcc dot gnu.org via Gcc-bugs
• 2026/09/24 [Bug tree-optimization/127571] [16 Regression] UBSAN: signed integer overflow: 9223372036854775800 - -32 cannot be represented in type 'long int' since r17-4215-g492fbdbf99dc9d pheeck at gcc dot gnu.org via Gcc-bugs
• 2026/09/24 [Bug target/127268] ix86_default_vector_cost doesn't use sse_to_integer/integer_to_sse rguenth at gcc dot gnu.org via Gcc-bugs
• 2026/09/24 [Bug target/127268] ix86_default_vector_cost doesn't use sse_to_integer/integer_to_sse cvs-commit at gcc dot gnu.org via Gcc-bugs
• 2026/09/24 [Bug tree-optimization/127571] [16 Regression] UBSAN: signed integer overflow: 9223372036854775800 - -32 cannot be represented in type 'long int' since r17-4215-g492fbdbf99dc9d rguenth at gcc dot gnu.org via Gcc-bugs
• 2026/09/24 [Bug tree-optimization/127571] UBSAN: signed integer overflow: 9223372036854775800 - -32 cannot be represented in type 'long int' since r17-4215-g492fbdbf99dc9d cvs-commit at gcc dot gnu.org via Gcc-bugs
• 2026/09/23 [Bug c++/127577] [14/15/16/17 Regression] [[no_unique_address]]/base tail padding member lost after aggregate init with -fstore-merging rguenth at gcc dot gnu.org via Gcc-bugs
• 2026/09/23 [Bug c++/127577] [[no_unique_address]]/base tail padding member lost after aggregate init with -fstore-merging rguenth at gcc dot gnu.org via Gcc-bugs
• 2026/09/23 [Bug c++/127576] [16/17 Regression] spurious strict aliasing violation w/ typeid & modules rguenth at gcc dot gnu.org via Gcc-bugs
• 2026/09/23 [Bug c++/127147] [reflection] ICE when splicing reflection of a variably-modified type dschooner05 at gmail dot com via Gcc-bugs
• 2026/09/23 [Bug target/127585] [16/17 Regression] -ffuse-ops-with-volatile-access on m68k/coldfire causes problem code generation pinskia at gcc dot gnu.org via Gcc-bugs
• 2026/09/23 [Bug tree-optimization/127586] New: powerpc64: wrong code at -O1: v & 1 of an unsigned _BitInt(2) evaluates to 2 shimizu2486 at gmail dot com via Gcc-bugs
• 2026/09/23 [Bug target/127585] [16 Regression] -ffuse-ops-with-volatile-access on m68k/coldfire causes problem code generation pinskia at gcc dot gnu.org via Gcc-bugs
• 2026/09/23 [Bug target/127585] New: -ffuse-ops-with-volatile-access on m68k/coldfire causes problem code generation gerg at polyxeno dot com via Gcc-bugs
• 2026/09/23 [Bug target/127547] [17 Regression] ICE: in spill_subreg_move, at config/riscv/riscv.cc:5378 at -O1 since r17-3908 bergner at gcc dot gnu.org via Gcc-bugs
• 2026/09/23 [Bug target/127547] [17 Regression] ICE: in spill_subreg_move, at config/riscv/riscv.cc:5378 at -O1 bergner at gcc dot gnu.org via Gcc-bugs
• 2026/09/23 [Bug c/88731] [DR 481] Rejects well-formed program using bit-fields in _Generic. pinskia at gcc dot gnu.org via Gcc-bugs
• 2026/09/23 [Bug c/92684] bitfield behavior not matching the declared type pinskia at gcc dot gnu.org via Gcc-bugs
• 2026/09/23 [Bug cobol/126616] cobol: SIGSEGV in libgcobol.cc: binary_to_native_binary rdubner at gcc dot gnu.org via Gcc-bugs
• 2026/09/23 [Bug tree-optimization/127570] [17 Regression] Folding sign-changing conversions in IVOPTS regresses code on RISC-V liuhongt at gcc dot gnu.org via Gcc-bugs
• 2026/09/23 [Bug target/127584] New: RISC-V: -freorder-blocks-and-partition corrupts ra anton at ozlabs dot org via Gcc-bugs
• 2026/09/23 [Bug target/127583] New: powerpc64: wrong code at -O1: rotate-and-insert with a wrap-around mask shimizu2486 at gmail dot com via Gcc-bugs
• 2026/09/23 [Bug analyzer/127581] -Wanalyzer-fd-leak false positive for dup2 pinskia at gcc dot gnu.org via Gcc-bugs
• 2026/09/23 [Bug analyzer/109839] -Wanalyzer-fd-leak false positive with routine dup2 pinskia at gcc dot gnu.org via Gcc-bugs
• 2026/09/23 [Bug analyzer/109839] -Wanalyzer-fd-leak false positive with routine dup2 pinskia at gcc dot gnu.org via Gcc-bugs
• 2026/09/23 [Bug analyzer/124702] dup2 confuses -fanalyzer pinskia at gcc dot gnu.org via Gcc-bugs
• 2026/09/23 [Bug libstdc++/127582] Bump generated Unicode tables to 18.0.0 sjames at gcc dot gnu.org via Gcc-bugs
• 2026/09/23 [Bug libstdc++/127582] Bump generated Unicode tables to 18.0.0 sjames at gcc dot gnu.org via Gcc-bugs
• 2026/09/23 [Bug libstdc++/127582] New: Bump generated Unicode tables to 18.0.0 tuug at gmx dot us via Gcc-bugs
• 2026/09/23 [Bug analyzer/127581] New: -Wanalyzer-fd-leak false positive for dup2 norbert.eicker at gmx dot de via Gcc-bugs
• 2026/09/23 [Bug target/126744] [17 regression] -Wodr in aarch64 backend sjames at gcc dot gnu.org via Gcc-bugs
• 2026/09/23 [Bug tree-optimization/104315] [AArch64] Failure to optimize 8-bit bitreverse pattern pinskia at gcc dot gnu.org via Gcc-bugs

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