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• 2026/09/30 [Bug tree-optimization/127670] [17 Regression] GCC ICE in `vect_transform_stmt` on a valid SLP vectorization input since r17-3220 rguenth at gcc dot gnu.org via Gcc-bugs
• 2026/09/30 [Bug c++/127668] GCC `__builtin_bitreverseg` ICEs (segfault in the C++ mangler) when applied to a dependent operand in a template signature jakub at gcc dot gnu.org via Gcc-bugs
• 2026/09/30 [Bug target/127634] misoptimize when zero extend xmm to ymm and fill upper half with another xmm pinskia at gcc dot gnu.org via Gcc-bugs
• 2026/09/30 [Bug libstdc++/127675] Random failure with debug mode: FAIL: ext/pb_ds/regression/tree_map_rand.cc redi at gcc dot gnu.org via Gcc-bugs
• 2026/09/30 [Bug target/126629] SVE rdffr instruction wrongly CSEd alfierichards at gcc dot gnu.org via Gcc-bugs
• 2026/09/30 [Bug libstdc++/127675] New: Random failure with debug mode: FAIL: ext/pb_ds/regression/tree_map_rand.cc redi at gcc dot gnu.org via Gcc-bugs
• 2026/09/30 [Bug tree-optimization/127670] [17 Regression] GCC ICE in `vect_transform_stmt` on a valid SLP vectorization input since r17-3220 rguenth at gcc dot gnu.org via Gcc-bugs
• 2026/09/30 [Bug target/126629] SVE rdffr instruction wrongly CSEd cvs-commit at gcc dot gnu.org via Gcc-bugs
• 2026/09/30 [Bug libstdc++/90276] PSTL tests fail in Debug Mode redi at gcc dot gnu.org via Gcc-bugs
• 2026/09/30 [Bug c++/127674] New: new[]/delete[] pair kept when we use __builtin_assume_aligned saicharan at astrome dot co via Gcc-bugs
• 2026/09/30 [Bug target/127650] `va_arg` of an over-aligned emits `movdqa` from an 8-mod-16 address and cause SIGSEGV ubizjak at gmail dot com via Gcc-bugs
• 2026/09/30 [Bug target/127650] `va_arg` of an over-aligned emits `movdqa` from an 8-mod-16 address and cause SIGSEGV ubizjak at gmail dot com via Gcc-bugs
• 2026/09/30 [Bug target/126629] SVE rdffr instruction wrongly CSEd alfierichards at gcc dot gnu.org via Gcc-bugs
• 2026/09/30 [Bug target/127650] `va_arg` of an over-aligned emits `movdqa` from an 8-mod-16 address and cause SIGSEGV cvs-commit at gcc dot gnu.org via Gcc-bugs
• 2026/09/30 [Bug c++/127672] [14/15/16/17 Regression] Segfault in decl_namespace_context: function type has no TYPE_MAIN_DECL rguenth at gcc dot gnu.org via Gcc-bugs
• 2026/09/30 [Bug tree-optimization/127670] [17 Regression] GCC ICE in `vect_transform_stmt` on a valid SLP vectorization input since r17-3220 rguenth at gcc dot gnu.org via Gcc-bugs
• 2026/09/30 [Bug tree-optimization/60075] Wrong code from loop optimizer with address-space accesses rguenth at gcc dot gnu.org via Gcc-bugs
• 2026/09/30 [Bug tree-optimization/87325] determine_base_object does not consider consider address space of base expr rguenth at gcc dot gnu.org via Gcc-bugs
• 2026/09/30 [Bug target/126629] SVE rdffr instruction wrongly CSEd jakub at gcc dot gnu.org via Gcc-bugs
• 2026/09/30 [Bug c++/127642] [modules] Conflicting type for imported declaration d7d1cd at mail dot ru via Gcc-bugs
• 2026/09/29 [Bug ada/120106] replace hardcoded gnatmake commands with configuration variables ebotcazou at gcc dot gnu.org via Gcc-bugs
• 2026/09/29 [Bug target/126629] SVE rdffr instruction wrongly CSEd jakub at gcc dot gnu.org via Gcc-bugs
• 2026/09/29 [Bug c++/127642] [modules] Conflicting type for imported declaration pinskia at gcc dot gnu.org via Gcc-bugs
• 2026/09/29 [Bug c++/127642] [modules] Conflicting type for imported declaration d7d1cd at mail dot ru via Gcc-bugs
• 2026/09/29 [Bug tree-optimization/127203] [17 Regression] ~30% slowdown of a testcase from pr26854 since r17-3264-g6cda72b8bd646c pheeck at gcc dot gnu.org via Gcc-bugs
• 2026/09/29 [Bug tree-optimization/127673] [17 Regression] Recent IVOPTS work causing testsuite regresion on armv7 pinskia at gcc dot gnu.org via Gcc-bugs
• 2026/09/29 [Bug c++/127672] [14/15/16/17 Regression] Segfault in decl_namespace_context: function type has no TYPE_MAIN_DECL pinskia at gcc dot gnu.org via Gcc-bugs
• 2026/09/29 [Bug libstdc++/127656] Fix CVE-2026-102010 Denial of Service via use-after-free in binary heap erase_if cvs-commit at gcc dot gnu.org via Gcc-bugs
• 2026/09/29 [Bug libstdc++/127656] Fix CVE-2026-102010 Denial of Service via use-after-free in binary heap erase_if cvs-commit at gcc dot gnu.org via Gcc-bugs
• 2026/09/29 [Bug tree-optimization/127670] [17 Regression] GCC ICE in `vect_transform_stmt` on a valid SLP vectorization input kaelfandrew at gmail dot com via Gcc-bugs
• 2026/09/29 [Bug fortran/127187] [14/15/16 Regression] ICE (segfault) with ASSOCIATE selector containing %LEN inquiry of deferred-length character iains at gcc dot gnu.org via Gcc-bugs
• 2026/09/29 [Bug tree-optimization/127663] New: [17 Regression] 4% slowdown of SPEC 2017 imagick_r on znver2 since r17-4551-geb311f861255ae jmelcr at gcc dot gnu.org via Gcc-bugs
• 2026/09/29 [Bug tree-optimization/127673] New: [17 Regression] Recent IVOPTS work causing testsuite regresion on armv7 law at gcc dot gnu.org via Gcc-bugs
• 2026/09/29 [Bug ada/120106] replace hardcoded gnatmake commands with configuration variables nicolas at debian dot org via Gcc-bugs
• 2026/09/29 [Bug fortran/127671] [17 Regression] ICE: span.4 from write_var referenced in write_rtovp jvdelisle at gcc dot gnu.org via Gcc-bugs
• 2026/09/29 [Bug fortran/127671] [17 Regression] ICE: span.4 from write_var referenced in write_rtovp jvdelisle at gcc dot gnu.org via Gcc-bugs
• 2026/09/29 [Bug fortran/127187] [14/15/16 Regression] ICE (segfault) with ASSOCIATE selector containing %LEN inquiry of deferred-length character cvs-commit at gcc dot gnu.org via Gcc-bugs
• 2026/09/29 [Bug c++/127672] New: Segfault in decl_namespace_context: function type has no TYPE_MAIN_DECL amacleod at redhat dot com via Gcc-bugs
• 2026/09/29 [Bug fortran/127187] [14/15/16 Regression] ICE (segfault) with ASSOCIATE selector containing %LEN inquiry of deferred-length character jvdelisle at gcc dot gnu.org via Gcc-bugs
• 2026/09/29 [Bug c++/127147] [reflection] ICE when splicing reflection of a variably-modified type dschooner05 at gmail dot com via Gcc-bugs
• 2026/09/29 [Bug fortran/127671] [17 Regression] ICE: span.4 from write_var referenced in write_rtovp anlauf at gcc dot gnu.org via Gcc-bugs
• 2026/09/29 [Bug fortran/127671] New: [17 Regression] ICE: span.4 from write_var referenced in write_rtovp anlauf at gcc dot gnu.org via Gcc-bugs
• 2026/09/29 [Bug c++/127669] New: GCC `__builtin_bitreverseg` returns a wrong value for an optimizer-visible `_BitInt(129)` operand bic60176 at gmail dot com via Gcc-bugs
• 2026/09/29 [Bug rtl-optimization/127661] Compile-time hog (in cprop.cc?) pinskia at gcc dot gnu.org via Gcc-bugs
• 2026/09/29 [Bug target/127667] GCC `__atomic_exchange_n` crashes (SIGSEGV) on 8-byte-aligned 16-byte `_BitInt` objects pinskia at gcc dot gnu.org via Gcc-bugs
• 2026/09/29 [Bug middle-end/110773] [Aarch64] crash (SIGBUS) due to atomic instructions on under-aligned memory pinskia at gcc dot gnu.org via Gcc-bugs
• 2026/09/29 [Bug tree-optimization/127670] [17 Regression] GCC ICE in `vect_transform_stmt` on a valid SLP vectorization input pinskia at gcc dot gnu.org via Gcc-bugs
• 2026/09/29 [Bug c++/127668] GCC `__builtin_bitreverseg` ICEs (segfault in the C++ mangler) when applied to a dependent operand in a template signature pinskia at gcc dot gnu.org via Gcc-bugs
• 2026/09/29 [Bug c++/127668] GCC `__builtin_bitreverseg` ICEs (segfault in the C++ mangler) when applied to a dependent operand in a template signature pinskia at gcc dot gnu.org via Gcc-bugs
• 2026/09/29 [Bug target/127667] GCC `__atomic_exchange_n` crashes (SIGSEGV) on 8-byte-aligned 16-byte `_BitInt` objects pinskia at gcc dot gnu.org via Gcc-bugs
• 2026/09/29 [Bug c++/123615] (c++-reflection) - [meta-bug] reflection issue mpolacek at gcc dot gnu.org via Gcc-bugs
• 2026/09/29 [Bug rtl-optimization/127661] New: Compile-time hog (in cprop.cc?) ktkachov at gcc dot gnu.org via Gcc-bugs
• 2026/09/29 [Bug target/107549] [14/15/16/17 Regression] heap-buffer-overflow in xt_true_regnum since r13-3376-g4f3f0296acbb99 cvs-commit at gcc dot gnu.org via Gcc-bugs
• 2026/09/29 [Bug c++/127670] New: GCC ICE in `vect_transform_stmt` on a valid SLP vectorization input bic60176 at gmail dot com via Gcc-bugs
• 2026/09/29 [Bug c++/127668] New: GCC `__builtin_bitreverseg` ICEs (segfault in the C++ mangler) when applied to a dependent operand in a template signature bic60176 at gmail dot com via Gcc-bugs
• 2026/09/29 [Bug c++/127667] New: GCC `__atomic_exchange_n` crashes (SIGSEGV) on 8-byte-aligned 16-byte `_BitInt` objects bic60176 at gmail dot com via Gcc-bugs
• 2026/09/29 [Bug libstdc++/127656] Fix CVE-2026-102010 Denial of Service via use-after-free in binary heap erase_if cvs-commit at gcc dot gnu.org via Gcc-bugs
• 2026/09/29 [Bug tree-optimization/127664] [17 Regression] 9% slowdown of SPEC 2017 blender_r on znver5 since r17-4551-geb311f861255ae jmelcr at gcc dot gnu.org via Gcc-bugs
• 2026/09/29 [Bug target/126157] [16/17 Regression] arc: -ffuse-ops-with-volatile-access breaks volatile memops cvs-commit at gcc dot gnu.org via Gcc-bugs
• 2026/09/29 [Bug target/127075] riscv: -mrvv-max-lmul=conv-dynamic causes regression on cpu2017 x264 anton at ozlabs dot org via Gcc-bugs
• 2026/09/29 [Bug c/127658] New: ICE in build_complex_type (tree.cc:8055) / fold_convert_loc: argument checks of const type-generic builtins are skipped when the builtin is called as (*__builtin_add_overflow_p) (...) captainnemo9292 at gmail dot com via Gcc-bugs
• 2026/09/29 [Bug ada/120106] replace hardcoded gnatmake commands with configuration variables nicolas at debian dot org via Gcc-bugs
• 2026/09/29 [Bug c++/127643] `members_of` returns a templated constructor more than once mpolacek at gcc dot gnu.org via Gcc-bugs
• 2026/09/29 [Bug modula2/127657] Intrinsic procedure functions should filter spelling hints based on context gaius at gcc dot gnu.org via Gcc-bugs
• 2026/09/29 [Bug target/126629] SVE rdffr instruction wrongly CSEd cvs-commit at gcc dot gnu.org via Gcc-bugs
• 2026/09/29 [Bug target/127633] [17 regression] wrong code at -O{2,3} with "-funroll-all-loops -fno-vect-cost-model" on x86_64-linux-gnu since r17-2654 cvs-commit at gcc dot gnu.org via Gcc-bugs
• 2026/09/29 [Bug tree-optimization/127416] Bogus -Wformat-truncation for bounded %.*s with an offset into a constexpr array member cvs-commit at gcc dot gnu.org via Gcc-bugs
• 2026/09/29 [Bug target/127665] New: [16.1] x86-64 -O0: deferred-length character assignment of length 64 is never copied (memmove expands to a lone compare) federico.perini at gmail dot com via Gcc-bugs
• 2026/09/29 [Bug libstdc++/127666] New: std::from_chars(first, last, long double&) reads past 'last' for "inf"/"nan" (strlen on the unterminated input) lewis at sophists dot com via Gcc-bugs
• 2026/09/29 [Bug target/127665] [16.1] x86-64 -O0: deferred-length character assignment of length 64 is never copied (memmove expands to a lone compare) pinskia at gcc dot gnu.org via Gcc-bugs
• 2026/09/29 [Bug fortran/127187] [14/15/16 Regression] ICE (segfault) with ASSOCIATE selector containing %LEN inquiry of deferred-length character jvdelisle at gcc dot gnu.org via Gcc-bugs
• 2026/09/29 [Bug c/127658] ICE in build_complex_type (tree.cc:8055) / fold_convert_loc: argument checks of const type-generic builtins are skipped when the builtin is called as (*__builtin_add_overflow_p) (...) pinskia at gcc dot gnu.org via Gcc-bugs
• 2026/09/29 [Bug target/127445] [17 Regression] ICE: in df_refs_verify, at df-scan.cc:4012 with -Os -finstrument-functions-once -fzero-call-used-regs=all-gpr-arg rearnsha at gcc dot gnu.org via Gcc-bugs
• 2026/09/29 [Bug target/125117] [16/17 regression] Assigning character(len=N) component to character(:), allocatable function result loses content since r16-4947 pinskia at gcc dot gnu.org via Gcc-bugs
• 2026/09/29 [Bug target/126629] SVE rdffr instruction wrongly CSEd cvs-commit at gcc dot gnu.org via Gcc-bugs
• 2026/09/29 [Bug modula2/127657] New: Intrinsic procedure functions should filter spelling hints based on context gaius at gcc dot gnu.org via Gcc-bugs
• 2026/09/29 [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
• 2026/09/29 [Bug target/127647] 5-7% slowdowns of SPEC 2006 tonto since r17-4622-gbbf9808d787eac rguenth at gcc dot gnu.org via Gcc-bugs
• 2026/09/29 [Bug target/127662] RISC-V: -mrvv-max-lmul=conv-dynamic triggers assertion in compare_lmul_to rdapp at gcc dot gnu.org via Gcc-bugs
• 2026/09/29 [Bug c++/127643] `members_of` returns a templated constructor more than once cvs-commit at gcc dot gnu.org via Gcc-bugs
• 2026/09/29 [Bug tree-optimization/127664] New: [17 Regression] 9% slowdown of SPEC 2017 blender_r on znver5 since r17-4551-geb311f861255ae jmelcr at gcc dot gnu.org via Gcc-bugs
• 2026/09/29 [Bug tree-optimization/127663] [17 Regression] 4% slowdown of SPEC 2017 imagick_r on znver2 since r17-4551-geb311f861255ae jmelcr at gcc dot gnu.org via Gcc-bugs
• 2026/09/29 [Bug c++/127643] `members_of` returns a templated constructor more than once cvs-commit at gcc dot gnu.org via Gcc-bugs
• 2026/09/29 [Bug target/127662] New: RISC-V: -mrvv-max-lmul=conv-dynamic triggers assertion in compare_lmul_to anton at ozlabs dot org via Gcc-bugs
• 2026/09/29 [Bug target/127647] 5-7% slowdowns of SPEC 2006 tonto since r17-4622-gbbf9808d787eac rguenth at gcc dot gnu.org via Gcc-bugs
• 2026/09/29 [Bug target/127633] [16 regression] wrong code at -O{2,3} with "-funroll-all-loops -fno-vect-cost-model" on x86_64-linux-gnu since r17-2654 rguenth at gcc dot gnu.org via Gcc-bugs
• 2026/09/29 [Bug tree-optimization/60075] Wrong code from loop optimizer with address-space accesses gjl at gcc dot gnu.org via Gcc-bugs
• 2026/09/29 [Bug c++/127577] [14/15/16/17 Regression] [[no_unique_address]]/base tail padding member lost after aggregate init with -fstore-merging mail-gcc at bueddl dot de via Gcc-bugs
• 2026/09/29 [Bug tree-optimization/60075] Wrong code from loop optimizer with address-space accesses gjl at gcc dot gnu.org via Gcc-bugs
• 2026/09/29 [Bug libstdc++/127656] Fix CVE-2026-102010 Denial of Service via use-after-free in binary heap erase_if redi at gcc dot gnu.org via Gcc-bugs
• 2026/09/29 [Bug tree-optimization/60075] Wrong code from loop optimizer with address-space accesses rguenth at gcc dot gnu.org via Gcc-bugs
• 2026/09/29 [Bug bootstrap/127632] [17 Regression] Bootstrap failure on PowerPC tkoenig at gcc dot gnu.org via Gcc-bugs
• 2026/09/29 [Bug target/127650] `va_arg` of an over-aligned emits `movdqa` from an 8-mod-16 address and cause SIGSEGV ubizjak at gmail dot com via Gcc-bugs
• 2026/09/29 [Bug target/127650] `va_arg` of an over-aligned emits `movdqa` from an 8-mod-16 address and cause SIGSEGV ubizjak at gmail dot com via Gcc-bugs
• 2026/09/29 [Bug modula2/127657] Intrinsic procedure functions should filter spelling hints based on context cvs-commit at gcc dot gnu.org via Gcc-bugs
• 2026/09/29 [Bug target/127650] `va_arg` of an over-aligned emits `movdqa` from an 8-mod-16 address and cause SIGSEGV ubizjak at gmail dot com via Gcc-bugs
• 2026/09/29 [Bug tree-optimization/60075] Wrong code from loop optimizer with address-space accesses gjl at gcc dot gnu.org via Gcc-bugs
• 2026/09/29 [Bug libstdc++/127656] Fix CVE-2026-102010 Denial of Service via use-after-free in binary heap erase_if jiannmao at qq dot com via Gcc-bugs
• 2026/09/29 [Bug middle-end/127660] New: gimplifier throws away expressions with IEEE exception side-effects rguenth at gcc dot gnu.org via Gcc-bugs
• 2026/09/29 [Bug modula2/127657] Intrinsic procedure functions should filter spelling hints based on context gaius at gcc dot gnu.org via Gcc-bugs
• 2026/09/29 [Bug libstdc++/127656] Fix CVE-2026-102010 Denial of Service via use-after-free in binary heap erase_if redi at gcc dot gnu.org via Gcc-bugs
• 2026/09/29 [Bug middle-end/127659] New: ICE: 'verify_gimple' failed (mismatching comparison operand types) after match.pd folds popcount(x) & 1 to parity(x) when __builtin_popcount was redeclared with an unsigned return type captainnemo9292 at gmail dot com via Gcc-bugs
• 2026/09/29 [Bug libstdc++/127656] Fix CVE-2026-102010 Denial of Service via use-after-free in binary heap erase_if redi at gcc dot gnu.org via Gcc-bugs
• 2026/09/29 [Bug libstdc++/127656] New: Fix CVE-2026-102010 Denial of Service via use-after-free in binary heap erase_if jiannmao at qq dot com via Gcc-bugs
• 2026/09/29 [Bug tree-optimization/60075] Wrong code from loop optimizer with address-space accesses rguenth at gcc dot gnu.org via Gcc-bugs
• 2026/09/28 [Bug target/127647] 5-7% slowdowns of SPEC 2006 tonto since r17-4622-gbbf9808d787eac rguenth at gcc dot gnu.org via Gcc-bugs
• 2026/09/28 [Bug target/126891] [PPC] ICE in copy_to_mode_reg for __builtin_set_fpscr_drn with variable argument cvs-commit at gcc dot gnu.org via Gcc-bugs
• 2026/09/28 [Bug c++/103947] wishlist: warning if explicitly defaulted (spaceship) operator is deleted arthur.j.odwyer at gmail dot com via Gcc-bugs
• 2026/09/28 [Bug c++/127655] New: ICE (and wrong note) explaining why a union's assignment operator is defaulted-as-deleted arthur.j.odwyer at gmail dot com via Gcc-bugs
• 2026/09/28 [Bug target/127649] wrong code at -O{2,3} loses FE_INVALID on a quiet NaN vectorization pinskia at gcc dot gnu.org via Gcc-bugs
• 2026/09/28 [Bug tree-optimization/127654] Neg/BIT_NOT should be factored out even with constants pinskia at gcc dot gnu.org via Gcc-bugs
• 2026/09/28 [Bug tree-optimization/127654] Neg/BIT_NOT should be factored out even with constants pinskia at gcc dot gnu.org via Gcc-bugs
• 2026/09/28 [Bug libstdc++/108822] [C++23] Implement P2255R2, type trait to detect reference binding to temporary cvs-commit at gcc dot gnu.org via Gcc-bugs
• 2026/09/28 [Bug tree-optimization/127654] Neg/BIT_NOT should be factored out even with constants pinskia at gcc dot gnu.org via Gcc-bugs
• 2026/09/28 [Bug tree-optimization/127645] [16/17 Regression] wrong code at -O2 since r16-4708 pinskia at gcc dot gnu.org via Gcc-bugs
• 2026/09/28 [Bug tree-optimization/127654] Neg/BIT_NOT should be factored out even with constants pinskia at gcc dot gnu.org via Gcc-bugs
• 2026/09/28 [Bug tree-optimization/127654] New: Neg/BIT_NOT should be factored out even with constants pinskia at gcc dot gnu.org via Gcc-bugs
• 2026/09/28 [Bug c++/127592] [17 Regression] [reflection] -fsanitize=null rejects template for over enumerators_of after P4101 mpolacek at gcc dot gnu.org via Gcc-bugs
• 2026/09/28 [Bug tree-optimization/127645] [16/17 Regression] wrong code at -O2 since r16-4708 pinskia at gcc dot gnu.org via Gcc-bugs
• 2026/09/28 [Bug tree-optimization/127645] [16/17 Regression] wrong code at -O2 since r16-4708 pinskia at gcc dot gnu.org via Gcc-bugs
• 2026/09/28 [Bug tree-optimization/127645] [16/17 Regression] wrong code at -O2 pinskia at gcc dot gnu.org via Gcc-bugs
• 2026/09/28 [Bug target/126744] [17 regression] -Wodr in aarch64 backend karmea01 at gcc dot gnu.org via Gcc-bugs
• 2026/09/28 [Bug middle-end/26163] [meta-bug] missed optimization in SPEC (2026, 2k17, 2k and 2k6 and 95) rdapp at gcc dot gnu.org via Gcc-bugs
• 2026/09/28 [Bug target/120763] [meta-bug] Tracker for bugs to visit during weekly RISC-V meeting rdapp at gcc dot gnu.org via Gcc-bugs
• 2026/09/28 [Bug target/127075] riscv: -mrvv-max-lmul=conv-dynamic causes regression on cpu2017 x264 rdapp at gcc dot gnu.org via Gcc-bugs
• 2026/09/28 [Bug target/127484] [17 Regression] ICE: SIGSEGV (infinite recursion in force_reg / force_reg / emit_move_insn / emit_move_multi_word / operand_subword_force) with -O -march=rv64gv -mabi=lp64 cvs-commit at gcc dot gnu.org via Gcc-bugs
• 2026/09/28 [Bug target/127553] RISC-V: RVV builtin calls are not rejected when building without RVV and the call can be optimized away rdapp at gcc dot gnu.org via Gcc-bugs
• 2026/09/28 [Bug target/127484] [17 Regression] ICE: SIGSEGV (infinite recursion in force_reg / force_reg / emit_move_insn / emit_move_multi_word / operand_subword_force) with -O -march=rv64gv -mabi=lp64 rdapp at gcc dot gnu.org via Gcc-bugs
• 2026/09/28 [Bug target/120763] [meta-bug] Tracker for bugs to visit during weekly RISC-V meeting rdapp at gcc dot gnu.org via Gcc-bugs
• 2026/09/28 [Bug target/127553] RISC-V: RVV builtin calls are not rejected when building without RVV and the call can be optimized away cvs-commit at gcc dot gnu.org via Gcc-bugs
• 2026/09/28 [Bug target/127075] riscv: -mrvv-max-lmul=conv-dynamic causes regression on cpu2017 x264 cvs-commit at gcc dot gnu.org via Gcc-bugs
• 2026/09/28 [Bug target/127547] [17 Regression] ICE: in spill_subreg_move, at config/riscv/riscv.cc:5378 at -O1 since r17-3908 cvs-commit at gcc dot gnu.org via Gcc-bugs
• 2026/09/28 [Bug c++/127643] `members_of` returns a templated constructor more than once jakub at gcc dot gnu.org via Gcc-bugs
• 2026/09/28 [Bug c++/67491] [meta-bug] concepts issues songb432 at gmail dot com via Gcc-bugs
• 2026/09/28 [Bug c++/127627] What's the right overload resolution for ``public: X(const X&); private: explicit X(const X&) requires T::value = default;``? songb432 at gmail dot com via Gcc-bugs
• 2026/09/28 Packaging Made Easy Bill Clark via Gcc-bugs
• 2026/09/28 [Bug c++/127643] `members_of` returns a templated constructor more than once mpolacek at gcc dot gnu.org via Gcc-bugs
• 2026/09/28 [Bug target/127547] [17 Regression] ICE: in spill_subreg_move, at config/riscv/riscv.cc:5378 at -O1 since r17-3908 rdapp at gcc dot gnu.org via Gcc-bugs
• 2026/09/28 [Bug rtl-optimization/127610] 400.perlbench build 40% slower since r17-4133-g230d950810f378 (inefficient LTO partitioning?) pinskia at gcc dot gnu.org via Gcc-bugs
• 2026/09/28 [Bug tree-optimization/127645] [16/17 Regression] wrong code at -O2 rguenth at gcc dot gnu.org via Gcc-bugs
• 2026/09/28 [Bug rtl-optimization/127610] 400.perlbench build 40% slower since r17-4133-g230d950810f378 (inefficient LTO partitioning?) pinskia at gcc dot gnu.org via Gcc-bugs
• 2026/09/28 [Bug ada/120106] replace hardcoded gnatmake commands with configuration variables ebotcazou at gcc dot gnu.org via Gcc-bugs
• 2026/09/28 [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
• 2026/09/28 [Bug bootstrap/127632] [17 Regression] Bootstrap failure on PowerPC avinashd at gcc dot gnu.org via Gcc-bugs
• 2026/09/28 [Bug target/127653] arm: Invalid offset for bf16 load/store rearnsha at gcc dot gnu.org via Gcc-bugs
• 2026/09/28 [Bug target/127652] [PRU] g++.dg/opt/mem-notrap-load-builtin.C is failing with ICE dimitar at gcc dot gnu.org via Gcc-bugs
• 2026/09/28 [Bug target/127653] New: arm: Invalid offset for bf16 load/store rearnsha at gcc dot gnu.org via Gcc-bugs
• 2026/09/28 [Bug ada/120106] replace hardcoded gnatmake commands with configuration variables doko at gcc dot gnu.org via Gcc-bugs
• 2026/09/28 [Bug target/127652] New: [PRU] g++.dg/opt/mem-notrap-load-builtin.C is failing with ICE dimitar at gcc dot gnu.org via Gcc-bugs
• 2026/09/28 [Bug c++/127643] `members_of` returns a templated constructor more than once mpolacek at gcc dot gnu.org via Gcc-bugs
• 2026/09/28 [Bug c++/125651] [13/14/15/16/17 Regression] std::move with const char*&&ptr causes an error redi at gcc dot gnu.org via Gcc-bugs
• 2026/09/28 [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 vmakarov at gcc dot gnu.org via Gcc-bugs
• 2026/09/28 [Bug middle-end/127617] convert double comparison to difference or the other way around rguenth at gcc dot gnu.org via Gcc-bugs
• 2026/09/28 [Bug libgomp/127651] On Linux, libgomp detects the wrong number of available CPUs when cgroups are used (i.e. Docker, Kubernetes, systemd-run, etc) pinskia at gcc dot gnu.org via Gcc-bugs
• 2026/09/28 [Bug libgomp/127651] On Linux, libgomp detects the wrong number of available CPUs when cgroups are used (i.e. Docker, Kubernetes, systemd-run, etc) itamar at pythonspeed dot com via Gcc-bugs
• 2026/09/28 [Bug libgomp/127651] On Linux, libgomp detects the wrong number of available CPUs when cgroups are used (i.e. Docker, Kubernetes, systemd-run, etc) itamar at pythonspeed dot com via Gcc-bugs
• 2026/09/28 [Bug ada/120106] replace hardcoded gnatmake commands with configuration variables ebotcazou at gcc dot gnu.org via Gcc-bugs
• 2026/09/28 [Bug libgomp/127651] On Linux, libgomp detects the wrong number of available CPUs when cgroups are used (i.e. Docker, Kubernetes, systemd-run, etc) pinskia at gcc dot gnu.org via Gcc-bugs
• 2026/09/28 [Bug ada/120106] replace hardcoded gnatmake commands with configuration variables ebotcazou at gcc dot gnu.org via Gcc-bugs
• 2026/09/28 [Bug fortran/127637] gfc_variable_attr doesn't correctly report attributes of polymorphic symbols or components mikael at gcc dot gnu.org via Gcc-bugs
• 2026/09/28 [Bug tree-optimization/126531] [13/14/15/16/17 Regression] Wrong code with ranger and exception handling cvs-commit at gcc dot gnu.org via Gcc-bugs
• 2026/09/28 [Bug tree-optimization/127641] [VRP] Range info lost after store-to-load forwarding (memcpy falls back to libcall) 3440910457 at qq dot com via Gcc-bugs
• 2026/09/28 [Bug ada/120106] replace hardcoded gnatmake commands with configuration variables nicolas at debian dot org via Gcc-bugs
• 2026/09/28 [Bug middle-end/26163] [meta-bug] missed optimization in SPEC (2026, 2k17, 2k and 2k6 and 95) jmelcr at gcc dot gnu.org via Gcc-bugs
• 2026/09/28 [Bug libstdc++/127555] filesystem::remove_all fails on targets with neither unlinkat nor dirent::d_type gokbeykeskin at gmail dot com via Gcc-bugs
• 2026/09/28 [Bug cobol/125577] [cobol] Floating-point (COMP-1/COMP-2) subtraction in COMPUTE/SUBTRACT returns a stale temporary instead of the difference rdubner at gcc dot gnu.org via Gcc-bugs
• 2026/09/28 [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
• 2026/09/28 [Bug libgomp/127651] New: On Linux, libgomp detects the wrong number of available CPUs when cgroups are used (i.e. Docker, Kubernetes, systemd-run, etc) itamar at pythonspeed dot com via Gcc-bugs
• 2026/09/28 [Bug tree-optimization/127203] [17 Regression] ~30% slowdown of a testcase from pr26854 since r17-3264-g6cda72b8bd646c cvs-commit at gcc dot gnu.org via Gcc-bugs
• 2026/09/28 [Bug tree-optimization/53805] vrp/dce removes trapping comparison and other instructions rguenth at gcc dot gnu.org via Gcc-bugs
• 2026/09/28 [Bug rtl-optimization/127610] 400.perlbench build 40% slower since r17-4133-g230d950810f378 (inefficient LTO partitioning?) pheeck at gcc dot gnu.org via Gcc-bugs
• 2026/09/28 [Bug fortran/127637] gfc_variable_attr doesn't correctly report attributes of polymorphic symbols or components mikael at gcc dot gnu.org via Gcc-bugs
• 2026/09/28 [Bug tree-optimization/127650] New: `va_arg` of an over-aligned emits `movdqa` from an 8-mod-16 address and cause SIGSEGV kyuwoncho18 at gmail dot com via Gcc-bugs
• 2026/09/28 [Bug tree-optimization/53805] vrp/dce removes trapping comparison and other instructions rguenth at gcc dot gnu.org via Gcc-bugs
• 2026/09/28 [Bug target/114158] Wrong FDPIC special-casing in crtstuff produces invalid pointer in init_array bugdal at aerifal dot cx via Gcc-bugs
• 2026/09/28 [Bug tree-optimization/127645] New: [16 Regression] wrong code at -O2 xxs_chy at outlook dot com via Gcc-bugs
• 2026/09/28 [Bug tree-optimization/127649] New: wrong code at -O{2,3} loses FE_INVALID on a quiet NaN vectorization kyuwoncho18 at gmail dot com via Gcc-bugs
• 2026/09/28 [Bug target/127484] [17 Regression] ICE: SIGSEGV (infinite recursion in force_reg / force_reg / emit_move_insn / emit_move_multi_word / operand_subword_force) with -O -march=rv64gv -mabi=lp64 rdapp at gcc dot gnu.org via Gcc-bugs
• 2026/09/28 [Bug target/120763] [meta-bug] Tracker for bugs to visit during weekly RISC-V meeting rdapp at gcc dot gnu.org via Gcc-bugs
• 2026/09/28 [Bug tree-optimization/127648] New: wrong code at -O{1,2,3} with AVX-512 min/max under `-ffinite-math-only` kyuwoncho18 at gmail dot com via Gcc-bugs
• 2026/09/28 [Bug tree-optimization/127641] [VRP] Range info lost after store-to-load forwarding (memcpy falls back to libcall) pinskia at gcc dot gnu.org via Gcc-bugs
• 2026/09/28 [Bug tree-optimization/127647] New: slowdowns of SPEC 2006 tonto since r17-4622-gbbf9808d787eac jmelcr at gcc dot gnu.org via Gcc-bugs
• 2026/09/28 [Bug bootstrap/127376] [17 Regression] boostrap-lto fails with a compare error due to GMP setting a macro different between stage 2 and stage 3 sjames at gcc dot gnu.org via Gcc-bugs
• 2026/09/28 [Bug tree-optimization/127647] slowdowns of SPEC 2006 tonto since r17-4622-gbbf9808d787eac jmelcr at gcc dot gnu.org via Gcc-bugs
• 2026/09/28 [Bug tree-optimization/58920] Overeager optimization based on TREE_THIS_NOTRAP rguenth at gcc dot gnu.org via Gcc-bugs
• 2026/09/28 [Bug tree-optimization/127625] Possible false positive -Warray-bounds in std::vector::insert with a custom allocator at -O2 gnu.ojxq8 at dralias dot com via Gcc-bugs
• 2026/09/28 [Bug tree-optimization/53805] vrp/dce removes trapping comparison and other instructions rguenth at gcc dot gnu.org via Gcc-bugs
• 2026/09/28 [Bug tree-optimization/127644] 5-9% slowdowns of SPEC 2006 hmmer since r17-4622-gbbf9808d787eac rguenth at gcc dot gnu.org via Gcc-bugs
• 2026/09/28 [Bug middle-end/29186] optimzation breaks floating point exception flag reading rguenth at gcc dot gnu.org via Gcc-bugs
• 2026/09/28 [Bug middle-end/38960] Wrong floating point reorder with fetestexcept rguenth at gcc dot gnu.org via Gcc-bugs
• 2026/09/28 [Bug tree-optimization/127645] [16/17 Regression] wrong code at -O2 rguenth at gcc dot gnu.org via Gcc-bugs
• 2026/09/28 [Bug ada/114065] GNAT build with -D_TIME_BITS=64 -D_FILE_OFFSET_BITS=64 fails on 32-bit nicolas at debian dot org via Gcc-bugs
• 2026/09/28 [Bug tree-optimization/127645] [16/17 Regression] wrong code at -O2 rguenth at gcc dot gnu.org via Gcc-bugs
• 2026/09/28 [Bug tree-optimization/127645] [16/17 Regression] wrong code at -O2 rguenth at gcc dot gnu.org via Gcc-bugs
• 2026/09/28 [Bug tree-optimization/127644] New: 5-9% slowdowns of SPEC 2006 hmmer since r17-4622-gbbf9808d787eac jmelcr at gcc dot gnu.org via Gcc-bugs
• 2026/09/28 [Bug tree-optimization/127644] 5-9% slowdowns of SPEC 2006 hmmer since r17-4622-gbbf9808d787eac rguenth at gcc dot gnu.org via Gcc-bugs
• 2026/09/28 [Bug middle-end/127646] New: [OpenMP][6.0] Implement 'groupprivate' on the host burnus at gcc dot gnu.org via Gcc-bugs
• 2026/09/28 [Bug c++/127629] All optimization levels (except -O0) slow down `if consteval` and `__builtin_is_constant_evaluated()` redi at gcc dot gnu.org via Gcc-bugs
• 2026/09/28 [Bug c++/127627] What's the right overload resolution for ``public: X(const X&); private: explicit X(const X&) requires T::value = default;``? redi at gcc dot gnu.org via Gcc-bugs
• 2026/09/28 [Bug c++/127642] [modules] Conflicting type for imported declaration d7d1cd at mail dot ru via Gcc-bugs

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