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• 2026/09/23 [Bug target/101927] reduction of popcount of 8bits can be improved pinskia at gcc dot gnu.org via Gcc-bugs
• 2026/09/23 [Bug c++/127580] New: ICE on reflection of function template substituted with variadic template parameters and spliced in requires clause of generic lambda eczbek.void at gmail dot com via Gcc-bugs
• 2026/09/23 [Bug target/127579] [16/17 Regression] ICE when building with -mgeneral-regs -march=armv9-a since g:b3355804c7054bce288b643ce127ec5e9d0c2061 pinskia at gcc dot gnu.org via Gcc-bugs
• 2026/09/23 [Bug rtl-optimization/127578] [sparc] wrong code at -O2 with -mcbcond: find_cond_trap clobbers a live %icc stian at itx dot no via Gcc-bugs
• 2026/09/23 [Bug tree-optimization/127579] [16/17 Regression] ICE when building with -mgeneral-regs -march=armv9-a since g:b3355804c7054bce288b643ce127ec5e9d0c2061 tnfchris at gcc dot gnu.org via Gcc-bugs
• 2026/09/23 [Bug tree-optimization/127579] New: [16/17 Regression] ICE when building with -mgeneral-regs -march=armv9-a since g:b3355804c7054bce288b643ce127ec5e9d0c2061 tnfchris at gcc dot gnu.org via Gcc-bugs
• 2026/09/23 [Bug rtl-optimization/127578] [sparc] wrong code at -O2 with -mcbcond: find_cond_trap clobbers a live %icc stian at itx dot no via Gcc-bugs
• 2026/09/23 [Bug rtl-optimization/127578] New: [sparc] wrong code at -O2 with -mcbcond: find_cond_trap clobbers a live %icc stian at itx dot no via Gcc-bugs
• 2026/09/23 [Bug c++/127470] -Wmaybe-uninitialized false positive related to adding const to pointer-to type, during class initialization vz-gcc at zeitlins dot org via Gcc-bugs
• 2026/09/23 [Bug c++/127577] [[no_unique_address]]/base tail padding member lost after aggregate init with -fstore-merging pinskia 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 tree-optimization/127577] New: [[no_unique_address]]/base tail padding member lost after aggregate init with -fstore-merging mail-gcc at bueddl dot de via Gcc-bugs
• 2026/09/23 [Bug c++/127573] [17 Regression] [c++23] ICE: unexpected expression of kind implicit_conv_expr with constexpr std::array of std::string_view in lambda inside a template pinskia at gcc dot gnu.org via Gcc-bugs
• 2026/09/23 [Bug c++/127415] [15/16/17 Regression] g++ fails to generate destructors for structurally bound objects in coroutine frames matt at godbolt dot org via Gcc-bugs
• 2026/09/23 [Bug middle-end/127517] wrong code with _BitInt(127) and __builtin_mul_overflow at -O2 jakub at gcc dot gnu.org via Gcc-bugs
• 2026/09/23 [Bug analyzer/110483] [14/15/16/17 Regression] Several gcc.dg/analyzer/out-of-bounds-diagram-*.c tests FAIL dimitar at gcc dot gnu.org via Gcc-bugs
• 2026/09/23 [Bug middle-end/127517] wrong code with _BitInt(127) and __builtin_mul_overflow at -O2 jakub at gcc dot gnu.org via Gcc-bugs
• 2026/09/23 [Bug middle-end/127517] wrong code with _BitInt(127) and __builtin_mul_overflow at -O2 jakub at gcc dot gnu.org via Gcc-bugs
• 2026/09/23 [Bug analyzer/107856] [14/15/16/17 Regression] gcc.dg/plugin/infoleak-vfio_iommu_type1.c XPASSes dimitar at gcc dot gnu.org via Gcc-bugs
• 2026/09/23 [Bug c++/127576] New: [16 regression] spurious strict aliasing violation w/ typeid & modules marcel at laverdet dot com via Gcc-bugs
• 2026/09/23 [Bug c/127575] New: FAIL: gcc.target/powerpc/pr27479.c starting from - r17-4608-gfa37f57173e247 kishan at gcc dot gnu.org via Gcc-bugs
• 2026/09/23 [Bug c++/127572] [c++26][contracts] a function-contract-specifier binds to the preceding parameter list rather than to the declarator berne at notadragon dot com via Gcc-bugs
• 2026/09/23 [Bug c++/127574] Address of templated conversion operator is treated as <unresolved overloaded function type> redi at gcc dot gnu.org via Gcc-bugs
• 2026/09/23 [Bug c++/127574] New: Address of templated conversion operator is treated as <unresolved overloaded function type> arthur.j.odwyer at gmail dot com via Gcc-bugs
• 2026/09/23 [Bug c++/127573] New: [c++23] ICE: unexpected expression of kind implicit_conv_expr with constexpr std::array of std::string_view in lambda inside a template s103360021 at gmail dot com via Gcc-bugs
• 2026/09/23 [Bug c++/127572] [c++26][contracts] a function-contract-specifier binds to the preceding parameter list rather than to the declarator berne at notadragon dot com via Gcc-bugs
• 2026/09/23 [Bug modula2/127567] New: Import in local module does not import from the universe of modules gaius at gcc dot gnu.org via Gcc-bugs
• 2026/09/23 [Bug rtl-optimization/127367] [15/16/17 Regression] RISC-V: wrong code for unsigned _BitInt(96) % law at gcc dot gnu.org via Gcc-bugs
• 2026/09/23 [Bug rtl-optimization/127367] [17 Regression] RISC-V: wrong code for unsigned _BitInt(96) % cvs-commit at gcc dot gnu.org via Gcc-bugs
• 2026/09/23 [Bug rtl-optimization/127367] [17 Regression] RISC-V: wrong code for unsigned _BitInt(96) % cvs-commit at gcc dot gnu.org via Gcc-bugs
• 2026/09/23 [Bug c++/127572] [c++26][contracts] a function-contract-specifier binds to the preceding parameter list rather than to the declarator berne at notadragon dot com via Gcc-bugs
• 2026/09/23 [Bug c++/127572] [c++26][contracts] a function-contract-specifier binds to the preceding parameter list rather than to the declarator berne at notadragon dot com via Gcc-bugs
• 2026/09/23 [Bug c++/127572] New: [c++26][contracts] a function-contract-specifier binds to the preceding parameter list rather than to the declarator berne at notadragon dot com via Gcc-bugs
• 2026/09/23 [Bug tree-optimization/127571] 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
• 2026/09/23 [Bug tree-optimization/127570] [17 Regression] Folding sign-changing conversions in IVOPTS regresses code on RISC-V rguenth at gcc dot gnu.org via Gcc-bugs
• 2026/09/23 [Bug tree-optimization/127571] 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
• 2026/09/23 [Bug tree-optimization/127571] New: 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
• 2026/09/23 [Bug tree-optimization/127570] New: [17 Regression] Folding sign-changing conversions in IVOPTS regresses code on RISC-V law at gcc dot gnu.org via Gcc-bugs
• 2026/09/23 [Bug rtl-optimization/127326] [x86_32] error: inconsistent operand constraints in an 'asm' with TDmode ubizjak at gmail dot com via Gcc-bugs
• 2026/09/23 [Bug target/127461] ICE: in final_scan_insn_1, at final.cc:2817 (could not split insn {addv2qi3}) with -mtune=c3-2 ubizjak at gmail dot com via Gcc-bugs
• 2026/09/23 [Bug tree-optimization/127510] GCC vectorizes "std::for_each_n" loop taking on random access iterator with more than one pointers as uncounted loop rguenth at gcc dot gnu.org via Gcc-bugs
• 2026/09/23 [Bug tree-optimization/127510] GCC vectorizes "std::for_each_n" loop taking on random access iterator with more than one pointers as uncounted loop raghesh.aloor at amd dot com via Gcc-bugs
• 2026/09/23 [Bug tree-optimization/117379] Failure to vectorize multi add + mulit sub rguenth at gcc dot gnu.org via Gcc-bugs
• 2026/09/23 [Bug c++/127568] [17 Regression] [modules] ICE on anonymous structs named with typedef rguenth at gcc dot gnu.org via Gcc-bugs
• 2026/09/23 [Bug modula2/127567] Import in local module does not import from the universe of modules gaius at gcc dot gnu.org via Gcc-bugs
• 2026/09/23 [Bug target/127565] New: usmul<mode> should be defined pinskia at gcc dot gnu.org via Gcc-bugs
• 2026/09/23 [Bug c++/127568] New: [regression 16] [modules] ICE on anonymous structs named with typedef samuelgardner101 at gmail dot com via Gcc-bugs
• 2026/09/23 [Bug target/127538] [16/17 Regression] Failure to merge SUB+CMP --> SUBS on aarch64 samarth.tandale at oss dot qualcomm.com via Gcc-bugs
• 2026/09/23 [Bug c/127464] internal compiler error: in handle_callback_only_attribute with non prototype declaration jmelcr at gcc dot gnu.org via Gcc-bugs
• 2026/09/23 [Bug analyzer/127569] New: -Wanalyzer-use-after-free false negative foss+gcc--- via Gcc-bugs
• 2026/09/23 [Bug target/27479] TLS accesses use one more instruction than necessary cvs-commit at gcc dot gnu.org via Gcc-bugs
• 2026/09/23 [Bug tree-optimization/117379] Failure to vectorize multi add + mulit sub avinashd at gcc dot gnu.org via Gcc-bugs
• 2026/09/23 [Bug target/127500] [14/15/16/17 Regression] ICE: in change_address_1, at emit-rtl.cc:2316 liuhongt at gcc dot gnu.org via Gcc-bugs
• 2026/09/23 [Bug tree-optimization/127562] [Missed optimization] SLP fails to coalesce adjacent member movs rguenth at gcc dot gnu.org via Gcc-bugs
• 2026/09/23 [Bug target/127557] [16/17 Regression] LoongArch: ICE in gen_reg_rtx, at emit-rtl.cc:1193 rguenth at gcc dot gnu.org via Gcc-bugs
• 2026/09/23 [Bug middle-end/77432] warn about null check after pointer dereference david at westcontrol dot com via Gcc-bugs
• 2026/09/23 [Bug c++/125536] T[N] not substituted when N >= 2^31 cvs-commit at gcc dot gnu.org via Gcc-bugs
• 2026/09/23 [Bug rtl-optimization/127326] [x86_32] error: inconsistent operand constraints in an 'asm' with TDmode ubizjak at gmail dot com via Gcc-bugs
• 2026/09/23 [Bug c/127566] New: -Wnull-dereference not triggered in simple cases david at westcontrol dot com via Gcc-bugs
• 2026/09/23 [Bug middle-end/77432] warn about null check after pointer dereference pinskia at gcc dot gnu.org via Gcc-bugs
• 2026/09/23 [Bug c/127566] -Wnull-dereference not triggered in simple cases pinskia at gcc dot gnu.org via Gcc-bugs
• 2026/09/23 [Bug c++/127506] ICE in is_within_lifetime, at cp/constexpr.cc jakub at gcc dot gnu.org via Gcc-bugs
• 2026/09/23 [Bug rtl-optimization/127326] [x86_32] error: inconsistent operand constraints in an 'asm' with TDmode ubizjak at gmail dot com via Gcc-bugs
• 2026/09/23 [Bug c++/127506] ICE in is_within_lifetime, at cp/constexpr.cc cvs-commit at gcc dot gnu.org via Gcc-bugs
• 2026/09/23 [Bug target/127565] usmul<mode> should be defined ktkachov at gcc dot gnu.org via Gcc-bugs
• 2026/09/23 [Bug c++/126599] [reflection] display_string_of(nullptr-pointer-to-data-member) is "-1" cvs-commit at gcc dot gnu.org via Gcc-bugs
• 2026/09/23 [Bug rtl-optimization/127326] [x86_32] error: inconsistent operand constraints in an 'asm' with TDmode ubizjak at gmail dot com via Gcc-bugs
• 2026/09/22 [Bug target/127461] ICE: in final_scan_insn_1, at final.cc:2817 (could not split insn {addv2qi3}) with -mtune=c3-2 cvs-commit at gcc dot gnu.org via Gcc-bugs
• 2026/09/22 [Bug target/127500] [14/15/16/17 Regression] ICE: in change_address_1, at emit-rtl.cc:2316 cvs-commit at gcc dot gnu.org via Gcc-bugs
• 2026/09/22 [Bug rtl-optimization/127558] [loongarch64] wrong code at -O2: a live sign-extension replaced with a copy law at gcc dot gnu.org via Gcc-bugs
• 2026/09/22 [Bug c++/127147] [reflection] ICE when splicing reflection of a variably-modified type dschooner05 at gmail dot com via Gcc-bugs
• 2026/09/22 [Bug target/127393] [17 Regression] ICE: in gen_highpart, at emit-rtl.cc:1673 at -O2 zsojka at seznam dot cz via Gcc-bugs
• 2026/09/22 [Bug target/127564] [Linaro-TCWG-CI] gcc-17-4551-geb311f86125: 3 regressions on arm liuhongt at gcc dot gnu.org via Gcc-bugs
• 2026/09/22 [Bug target/127564] New: [Linaro-TCWG-CI] gcc-17-4551-geb311f86125: 3 regressions on arm liuhongt at gcc dot gnu.org via Gcc-bugs
• 2026/09/22 [Bug target/127538] [16/17 Regression] Failure to merge SUB+CMP --> SUBS on aarch64 pinskia at gcc dot gnu.org via Gcc-bugs
• 2026/09/22 [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
• 2026/09/22 [Bug fortran/126777] IMAGE_INDEX intrinsic incorrectly implements team forms jvdelisle at gcc dot gnu.org via Gcc-bugs
• 2026/09/22 [Bug fortran/126777] IMAGE_INDEX intrinsic incorrectly implements team forms jvdelisle at gcc dot gnu.org via Gcc-bugs
• 2026/09/22 [Bug fortran/126781] NUM_IMAGES intrinsic missing keyword arguments jvdelisle at gcc dot gnu.org via Gcc-bugs
• 2026/09/22 [Bug d/127563] New: [D] false aliasing issue causing unnecessary reload witold.baryluk+gcc at gmail dot com via Gcc-bugs
• 2026/09/22 [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
• 2026/09/22 [Bug rtl-optimization/127326] [x86_32] error: inconsistent operand constraints in an 'asm' with TDmode cvs-commit at gcc dot gnu.org via Gcc-bugs
• 2026/09/22 [Bug c++/125459] [contracts] "contract condition is not constant" in constexpr function cvs-commit at gcc dot gnu.org via Gcc-bugs
• 2026/09/22 [Bug tree-optimization/127562] [Missed optimization] SLP fails to coalesce adjacent member movs pinskia at gcc dot gnu.org via Gcc-bugs
• 2026/09/22 [Bug target/127538] [16/17 Regression] Failure to merge SUB+CMP --> SUBS on aarch64 wilco at gcc dot gnu.org via Gcc-bugs
• 2026/09/22 [Bug rtl-optimization/127538] [16/17 Regression] Failure to merge SUB+CMP --> SUBS on aarch64 pinskia at gcc dot gnu.org via Gcc-bugs
• 2026/09/22 [Bug c++/127562] New: [Missed optimization] SLP fails to coalesce adjacent member movs ofekshilon at gmail dot com via Gcc-bugs
• 2026/09/22 [Bug middle-end/127560] [15/16/17 Regression] internal compiler error: in gimplify_expr, at gimplify.cc:21371 pinskia at gcc dot gnu.org via Gcc-bugs
• 2026/09/22 [Bug tree-optimization/127521] [15/16/17 Regression] `ifcombine` incorrectly removes a masked sign-bit condition pinskia at gcc dot gnu.org via Gcc-bugs
• 2026/09/22 [Bug tree-optimization/127521] [15/16/17 Regression] `ifcombine` incorrectly removes a masked sign-bit condition mikpelinux at gmail dot com via Gcc-bugs
• 2026/09/22 [Bug target/127500] [14/15/16/17 Regression] ICE: in change_address_1, at emit-rtl.cc:2316 cvs-commit at gcc dot gnu.org via Gcc-bugs
• 2026/09/22 [Bug target/127432] [17 Regression] 17% slowdown of calculix on aarch64 since r17-4170-g81d25063773b48 wilco at gcc dot gnu.org via Gcc-bugs
• 2026/09/22 [Bug target/127546] Unable to bootstrap gcc with --target=aarch64-w64-mingw32 Evgeny.Karpov at arm dot com via Gcc-bugs
• 2026/09/22 [Bug c++/127561] New: ICE when partially specializing a template with decltype(auto) parameter eczbek.void at gmail dot com via Gcc-bugs
• 2026/09/22 [Bug c/127560] New: internal compiler error: in gimplify_expr, at gimplify.cc:21371 lu.maltsis at postgrad dot manchester.ac.uk via Gcc-bugs
• 2026/09/22 [Bug rtl-optimization/127538] [16/17 Regression] Failure to merge SUB+CMP --> SUBS on aarch64 rguenth at gcc dot gnu.org via Gcc-bugs
• 2026/09/22 [Bug modula2/127554] Spell checking hint opportunity missed when building a contant aggrgate gaius at gcc dot gnu.org via Gcc-bugs
• 2026/09/22 [Bug modula2/127554] Spell checking hint opportunity missed when building a contant aggrgate gaius at gcc dot gnu.org via Gcc-bugs
• 2026/09/22 [Bug modula2/127554] Spell checking hint opportunity missed when building a contant aggrgate cvs-commit at gcc dot gnu.org via Gcc-bugs
• 2026/09/22 [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
• 2026/09/22 [Bug middle-end/127073] Missed LLVM's or disjoint detection for RISC-V pinskia at gcc dot gnu.org via Gcc-bugs
• 2026/09/22 [Bug target/114544] [x86] stv should transform (subreg DI (V1TI) 8) as (vec_select:DI (V2DI) (const_int 1)) cvs-commit at gcc dot gnu.org via Gcc-bugs
• 2026/09/22 [Bug target/127393] [17 Regression] ICE: in gen_highpart, at emit-rtl.cc:1673 at -O2 rearnsha at gcc dot gnu.org via Gcc-bugs
• 2026/09/22 [Bug sanitizer/127545] [14/15/16/17 Regression] ICE: verify_flow_info failed: returns_twice call is not first in basic block 2 with recursive returns_twice function with -fsanitize-coverage=trace-pc pinskia at gcc dot gnu.org via Gcc-bugs
• 2026/09/22 [Bug c++/127559] New: [OpenMP] burnus at gcc dot gnu.org via Gcc-bugs
• 2026/09/22 [Bug rtl-optimization/127558] New: [loongarch64] wrong code at -O2: a live sign-extension replaced with a copy shimizu2486 at gmail dot com via Gcc-bugs
• 2026/09/22 [Bug target/127542] [GCN] ICE: too few operands for instruction v_bcnt_u32_b32 v4, v4 burnus at gcc dot gnu.org via Gcc-bugs
• 2026/09/22 [Bug target/127557] New: [16 Regression] LoongArch: ICE in gen_reg_rtx, at emit-rtl.cc:1193 bunk at stusta dot de via Gcc-bugs
• 2026/09/22 [Bug target/127556] New: [loongarch64] wrong code at -Os for right-shift with count that should be zero shimizu2486 at gmail dot com via Gcc-bugs
• 2026/09/22 [Bug target/127393] [17 Regression] ICE: in gen_highpart, at emit-rtl.cc:1673 at -O2 cvs-commit at gcc dot gnu.org via Gcc-bugs
• 2026/09/22 [Bug lto/127511] testsuite: libbacktrace link fails with ICE in lto1 (out of bounds access) heiko at hexco dot de via Gcc-bugs
• 2026/09/22 [Bug libstdc++/127555] filesystem::remove_all fails on targets with neither unlinkat nor dirent::d_type gokbeykeskin at gmail dot com via Gcc-bugs
• 2026/09/22 [Bug libstdc++/127555] New: filesystem::remove_all fails on targets with neither unlinkat nor dirent::d_type gokbeykeskin at gmail dot com via Gcc-bugs
• 2026/09/22 [Bug rtl-optimization/127538] [16/17 Regression] Failure to merge SUB+CMP --> SUBS on aarch64 pinskia at gcc dot gnu.org via Gcc-bugs
• 2026/09/22 [Bug rtl-optimization/127538] [16/17 Regression] Failure to merge SUB+CMP --> SUBS on aarch64 pinskia at gcc dot gnu.org via Gcc-bugs
• 2026/09/22 [Bug rtl-optimization/127538] [16/17 Regression] Failure to merge SUB+CMP --> SUBS on aarch64 law at gcc dot gnu.org via Gcc-bugs
• 2026/09/22 [Bug tree-optimization/117379] Failure to vectorize multi add + mulit sub avinashd at gcc dot gnu.org via Gcc-bugs
• 2026/09/22 [Bug modula2/127554] Spell checking hint opportunity missed when building a contant aggrgate gaius at gcc dot gnu.org via Gcc-bugs
• 2026/09/22 [Bug modula2/127554] New: Spell checking hint opportunity missed when building a contant aggrgate gaius at gcc dot gnu.org via Gcc-bugs
• 2026/09/22 [Bug middle-end/127492] wrong code with __atomic_add_fetch cvs-commit at gcc dot gnu.org via Gcc-bugs
• 2026/09/22 [Bug target/127269] [17 Regression] [RISC-V] ICE in riscv_v_widen_constraint_ok during IRA pass with -march=rv64gcv law at gcc dot gnu.org via Gcc-bugs
• 2026/09/22 [Bug bootstrap/127539] libgfortran doesn't respect FCFLAGS_FOR_TARGET pinskia at gcc dot gnu.org via Gcc-bugs
• 2026/09/22 [Bug tree-optimization/127497] [14/15/16/17 Regression] Wrong code with -fwrapv-pointer at -O1/2 rguenth at gcc dot gnu.org via Gcc-bugs
• 2026/09/22 [Bug libstdc++/126274] [16/17 Regression] std::regex 2-3x slower since r16-7193-g158ad5f96954da5fa cvs-commit at gcc dot gnu.org via Gcc-bugs
• 2026/09/22 [Bug target/127461] ICE: in final_scan_insn_1, at final.cc:2817 (could not split insn {addv2qi3}) with -mtune=c3-2 cvs-commit at gcc dot gnu.org via Gcc-bugs
• 2026/09/22 [Bug target/120763] [meta-bug] Tracker for bugs to visit during weekly RISC-V meeting rdapp at gcc dot gnu.org via Gcc-bugs
• 2026/09/22 [Bug tree-optimization/125390] [17 Regression][RISCV][RVV] ICE in cc1 during tree loop vectorization with -march=rv64gcv_zvl256b at -O2/-O3 rdapp at gcc dot gnu.org via Gcc-bugs
• 2026/09/22 [Bug tree-optimization/125390] [17 Regression][RISCV][RVV] ICE in cc1 during tree loop vectorization with -march=rv64gcv_zvl256b at -O2/-O3 rdapp at gcc dot gnu.org via Gcc-bugs
• 2026/09/22 [Bug rtl-optimization/127538] [16/17 Regression] Failure to merge SUB+CMP --> SUBS on aarch64 ktkachov at gcc dot gnu.org via Gcc-bugs
• 2026/09/22 [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
• 2026/09/22 [Bug libstdc++/127523] 30_threads/condition_variable/members/68519.cc: test_wait_until fails when a timed wait wakes within the clock tick equal to the deadline gokbeykeskin at gmail dot com via Gcc-bugs
• 2026/09/22 [Bug sanitizer/127545] [14/15/16/17 Regression] ICE: verify_flow_info failed: returns_twice call is not first in basic block 2 with recursive returns_twice function with -fsanitize-coverage=trace-pc pinskia at gcc dot gnu.org via Gcc-bugs
• 2026/09/22 [Bug target/127500] [14/15/16/17 Regression] ICE: in change_address_1, at emit-rtl.cc:2316 cvs-commit at gcc dot gnu.org via Gcc-bugs
• 2026/09/22 [Bug tree-optimization/127521] [15/16/17 Regression] `ifcombine` incorrectly removes a masked sign-bit condition pinskia at gcc dot gnu.org via Gcc-bugs
• 2026/09/22 [Bug target/127547] [17 Regression] ICE: in spill_subreg_move, at config/riscv/riscv.cc:5378 at -O1 rguenth at gcc dot gnu.org via Gcc-bugs
• 2026/09/22 [Bug tree-optimization/127521] [15/16/17 Regression] `ifcombine` incorrectly removes a masked sign-bit condition pinskia at gcc dot gnu.org via Gcc-bugs
• 2026/09/22 [Bug libstdc++/88947] regex_search doesn't fail early when given a non-matching pattern with a start-of-input anchor tnfchris at gcc dot gnu.org via Gcc-bugs
• 2026/09/22 [Bug tree-optimization/127497] [14/15/16/17 Regression] Wrong code with -fwrapv-pointer at -O1/2 rguenth at gcc dot gnu.org via Gcc-bugs
• 2026/09/22 [Bug tree-optimization/127521] [15/16/17 Regression] `ifcombine` incorrectly removes a masked sign-bit condition pinskia at gcc dot gnu.org via Gcc-bugs
• 2026/09/22 [Bug target/127500] [14/15/16/17 Regression] ICE: in change_address_1, at emit-rtl.cc:2316 cvs-commit at gcc dot gnu.org via Gcc-bugs
• 2026/09/22 [Bug tree-optimization/117379] Failure to vectorize multi add + mulit sub rguenth at gcc dot gnu.org via Gcc-bugs
• 2026/09/22 [Bug tree-optimization/127552] New: [17 Regression] ICE in decompose, at wide-int.h:1049 since r17-4511-g885ad73e630ca2 kocelfc at tutanota dot com via Gcc-bugs
• 2026/09/22 [Bug tree-optimization/127552] [17 Regression] ICE in decompose, at wide-int.h:1049 since r17-4511-g885ad73e630ca2 rguenth at gcc dot gnu.org via Gcc-bugs
• 2026/09/22 [Bug c++/127551] New: [constexpr][c++26] same code yields different results with and without constexpr alex.irger at gmail dot com via Gcc-bugs
• 2026/09/22 [Bug tree-optimization/127549] vect: Decrease reduction precision or type. rguenth at gcc dot gnu.org via Gcc-bugs
• 2026/09/22 [Bug libstdc++/125548] piecewise_linear_distribution(nw, xmin, xmax, fw) invokes fw with incorrect values tkaminsk at gcc dot gnu.org via Gcc-bugs
• 2026/09/22 [Bug target/127550] [16/17 Regression][loongarch64] wrong code at -O2: AND with a mask wider than 32 bits on a sign-extended int is treated as AND with 0xffffffff rguenth at gcc dot gnu.org via Gcc-bugs
• 2026/09/22 [Bug other/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
• 2026/09/22 [Bug middle-end/127517] wrong code with _BitInt(127) and __builtin_mul_overflow at -O2 pinskia at gcc dot gnu.org via Gcc-bugs
• 2026/09/22 [Bug bootstrap/127539] FCFLAGS_FOR_TARGET should exist doko at gcc dot gnu.org via Gcc-bugs
• 2026/09/22 [Bug other/127553] New: RISC-V: RVV builtin calls are not rejected when building without RVV and the call can be optimized away bunk at stusta dot de via Gcc-bugs
• 2026/09/22 [Bug testsuite/127548] rs6000: vec-shift-double-runnable.c fails on power10 BE jeevitha at gcc dot gnu.org via Gcc-bugs
• 2026/09/22 [Bug middle-end/119693] GCC assumes wrong bounds for strlen() return value, causing bogus bounds check elimination pinskia at gcc dot gnu.org via Gcc-bugs
• 2026/09/22 [Bug rtl-optimization/127550] New: [16/17 Regression][loongarch64] wrong code at -O2: AND with a mask wider than 32 bits on a sign-extended int is treated as AND with 0xffffffff shimizu2486 at gmail dot com via Gcc-bugs
• 2026/09/22 [Bug testsuite/127548] rs6000: vec-shift-double-runnable.c fails on power10 BE jeevitha at gcc dot gnu.org via Gcc-bugs
• 2026/09/22 [Bug tree-optimization/127549] New: vect: Decrease reduction precision or type. rdapp at gcc dot gnu.org via Gcc-bugs
• 2026/09/22 [Bug bootstrap/127539] FCFLAGS_FOR_TARGET should exist pinskia at gcc dot gnu.org via Gcc-bugs
• 2026/09/22 [Bug testsuite/127548] New: rs6000: vec-shift-double-runnable.c fails on power10 BE jeevitha at gcc dot gnu.org via Gcc-bugs
• 2026/09/22 [Bug target/127547] New: [17 Regression] ICE: in spill_subreg_move, at config/riscv/riscv.cc:5378 at -O1 zsojka at seznam dot cz via Gcc-bugs
• 2026/09/22 [Bug middle-end/127517] wrong code with _BitInt(127) and __builtin_add_overflow / __builtin_mul_overflow at -O2 pinskia at gcc dot gnu.org via Gcc-bugs
• 2026/09/22 [Bug rtl-optimization/127538] [16/17 Regression] Failure to merge SUB+CMP --> SUBS on aarch64 ubizjak at gmail dot com via Gcc-bugs
• 2026/09/22 [Bug libstdc++/126120] is_constructible_v with shared_ptr from an invalid deleter cvs-commit at gcc dot gnu.org via Gcc-bugs
• 2026/09/22 [Bug libstdc++/82749] piecewise_linear_distribution::densities() non conformity tkaminsk at gcc dot gnu.org via Gcc-bugs
• 2026/09/21 [Bug libstdc++/126274] [16/17 Regression] std::regex 2-3x slower since r16-7193-g158ad5f96954da5fa cvs-commit at gcc dot gnu.org via Gcc-bugs
• 2026/09/21 [Bug bootstrap/127539] FCFLAGS_FOR_TARGET should exist doko at gcc dot gnu.org via Gcc-bugs
• 2026/09/21 [Bug libstdc++/126274] [16 Regression] std::regex 2-3x slower since r16-7193-g158ad5f96954da5fa tnfchris at gcc dot gnu.org via Gcc-bugs
• 2026/09/21 [Bug libstdc++/88947] regex_search doesn't fail early when given a non-matching pattern with a start-of-input anchor cvs-commit at gcc dot gnu.org via Gcc-bugs
• 2026/09/21 [Bug libstdc++/126274] [16/17 Regression] std::regex 2-3x slower since r16-7193-g158ad5f96954da5fa cvs-commit at gcc dot gnu.org via Gcc-bugs
• 2026/09/21 [Bug libstdc++/126274] [16/17 Regression] std::regex 2-3x slower since r16-7193-g158ad5f96954da5fa cvs-commit at gcc dot gnu.org via Gcc-bugs
• 2026/09/21 [Bug tree-optimization/126486] codesize regression by 17.5% for spec2017 507.catcuBSSN_r caused by r15-6657 with O2 cvs-commit at gcc dot gnu.org via Gcc-bugs
• 2026/09/21 [Bug middle-end/127073] Missed LLVM's or disjoint detection for RISC-V pinskia at gcc dot gnu.org via Gcc-bugs
• 2026/09/21 [Bug c/127536] [GIMPLE FE] ICE in release_function_body for an 'inline' function with a __GIMPLE body rguenth at gcc dot gnu.org via Gcc-bugs
• 2026/09/21 [Bug middle-end/127517] wrong code with _BitInt(127) and __builtin_add_overflow / __builtin_mul_overflow at -O2 pinskia at gcc dot gnu.org via Gcc-bugs
• 2026/09/21 [Bug tree-optimization/126562] [14/15/16/17 Regression] Invalid pow (x, 0.5) -> sqrt transformation when signed zeros or infinities are required pinskia at gcc dot gnu.org via Gcc-bugs
• 2026/09/21 [Bug tree-optimization/127544] wrong fold of pow (-inf, 0.5) into sqrt with -fno-math-errno -fno-signed-zeros pinskia at gcc dot gnu.org via Gcc-bugs
• 2026/09/21 [Bug rtl-optimization/127538] [16/17 Regression] Failure to merge SUB+CMP --> SUBS on aarch64 pinskia at gcc dot gnu.org via Gcc-bugs
• 2026/09/21 [Bug tree-optimization/112626] `ABS(a) CMP a` can be optimized cvs-commit at gcc dot gnu.org via Gcc-bugs
• 2026/09/21 [Bug target/127269] [17 Regression] [RISC-V] ICE in riscv_v_widen_constraint_ok during IRA pass with -march=rv64gcv cvs-commit at gcc dot gnu.org via Gcc-bugs
• 2026/09/21 [Bug target/127269] [17 Regression] [RISC-V] ICE in riscv_v_widen_constraint_ok during IRA pass with -march=rv64gcv cvs-commit at gcc dot gnu.org via Gcc-bugs
• 2026/09/21 [Bug rtl-optimization/120374] ext-dce fails to realize a shift pair makes bits dead sjames at gcc dot gnu.org via Gcc-bugs
• 2026/09/21 [Bug rtl-optimization/126412] [17 Regression] csmith: wrong code with -O3 -march=arm-32 -fno-strict-aliasing sjames at gcc dot gnu.org via Gcc-bugs
• 2026/09/21 [Bug tree-optimization/127518] [14 Regression] -Wmaybe-uninitialized false positive with inlined copy_to_user lyican53 at sjtu dot edu.cn via Gcc-bugs
• 2026/09/21 [Bug target/127309] [17 regression] ~30% libquantum regression on riscv64 rva23 since r17-3794 pinskia at gcc dot gnu.org via Gcc-bugs
• 2026/09/21 [Bug target/127309] [17 regression] ~30% libquantum regression on riscv64 rva23 since r17-3794 law at gcc dot gnu.org via Gcc-bugs
• 2026/09/21 [Bug c++/125459] [contracts] "contract condition is not constant" in constexpr function berne at notadragon dot com via Gcc-bugs
• 2026/09/21 [Bug target/127309] [17 regression] ~30% libquantum regression on riscv64 rva23 since r17-3794 law at gcc dot gnu.org via Gcc-bugs
• 2026/09/21 [Bug cobol/127543] gcobol: an all-digit procedure name is mishandled — ICE, or "never defined" for a name that is defined simonsobisch at gnu dot org via Gcc-bugs
• 2026/09/21 [Bug c++/127537] nondeterministic compilation related to just declared consteval functions jakub at gcc dot gnu.org via Gcc-bugs
• 2026/09/21 [Bug tree-optimization/126644] `a << CST >> CST` can be simplified into a if upper CST bits of a are known to be zero daniel.barboza at oss dot qualcomm.com via Gcc-bugs
• 2026/09/21 [Bug libfortran/127539] libgfortran doesn't respect FCFLAGS_FOR_TARGET kargl at gcc dot gnu.org via Gcc-bugs
• 2026/09/21 [Bug libfortran/127539] libgfortran doesn't respect FCFLAGS_FOR_TARGET kargl at gcc dot gnu.org via Gcc-bugs
• 2026/09/21 [Bug preprocessor/121508] ICE after error with __has_include law at gcc dot gnu.org via Gcc-bugs
• 2026/09/21 [Bug preprocessor/123339] ICE: Segmentation fault in preprocessor with malformed __has_include syntax <"foo" cvs-commit at gcc dot gnu.org via Gcc-bugs
• 2026/09/21 [Bug preprocessor/121508] ICE after error with __has_include cvs-commit at gcc dot gnu.org via Gcc-bugs
• 2026/09/21 [Bug target/123954] [riscv64, vector] missed optimization, extra move instruction law at gcc dot gnu.org via Gcc-bugs
• 2026/09/21 [Bug rtl-optimization/126412] [17 Regression] csmith: wrong code with -O3 -march=arm-32 -fno-strict-aliasing schwab--- via Gcc-bugs
• 2026/09/21 [Bug rtl-optimization/120374] ext-dce fails to realize a shift pair makes bits dead law at gcc dot gnu.org via Gcc-bugs
• 2026/09/21 [Bug rtl-optimization/126635] [17 regression] Miscompiled compiler in LTO build [r17-2301-gf7a75a1506d91f] schwab--- via Gcc-bugs
• 2026/09/21 [Bug middle-end/127073] Missed LLVM's or disjoint detection for RISC-V law at gcc dot gnu.org via Gcc-bugs
• 2026/09/21 [Bug bootstrap/127546] New: Unable to bootstrap gcc with --target=aarch64-w64-mingw32 azoff at gcc dot gnu.org via Gcc-bugs

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