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• 2026/09/06 [Bug tree-optimization/126311] (t * u) / v can be reduced if gcd (u, v) > 1 shivam98.tkg at gmail dot com via Gcc-bugs
• 2026/09/06 [Bug tree-optimization/125734] clz loop not detected for signed integer types where it is always non-negative shivam98.tkg at gmail dot com via Gcc-bugs
• 2026/09/06 [Bug fortran/126964] [17 Regression] 4-5% slowdown of tonto of Zen{2,3,4,5} since r17-3342-gf3943597388db4 cvs-commit at gcc dot gnu.org via Gcc-bugs
• 2026/09/06 [Bug fortran/127233] ASSOCIATED ignores element length jvdelisle at gcc dot gnu.org via Gcc-bugs
• 2026/09/06 [Bug target/107909] [powerpc64le, debug] Incorrect call site location due to nop after call insn bernard.ladenthin at gmail dot com via Gcc-bugs
• 2026/09/06 [Bug target/126671] bitreverse could be hooked up for zbkb pinskia at gcc dot gnu.org via Gcc-bugs
• 2026/09/06 [Bug target/126671] bitreverse could be hooked up for zbkb law at gcc dot gnu.org via Gcc-bugs
• 2026/09/06 [Bug target/124996] RISC-V: SET to (subreg:V2SI (reg:V4SI x) 0) causes reg x to spill pinskia at gcc dot gnu.org via Gcc-bugs
• 2026/09/06 [Bug target/120763] [meta-bug] Tracker for bugs to visit during weekly RISC-V meeting law at gcc dot gnu.org via Gcc-bugs
• 2026/09/06 [Bug target/124996] RISC-V: SET to (subreg:V2SI (reg:V4SI x) 0) causes reg x to spill law at gcc dot gnu.org via Gcc-bugs
• 2026/09/06 [Bug c++/127232] New: ICE when extracting reflection of reference function parameter eczbek.void at gmail dot com via Gcc-bugs
• 2026/09/06 [Bug fortran/127233] New: ASSOCIATED ignores element length mikael at gcc dot gnu.org via Gcc-bugs
• 2026/09/06 [Bug libgcc/60939] AIX: exceptions not caught when calling function via pointer bernard.ladenthin at gmail dot com via Gcc-bugs
• 2026/09/06 [Bug c++/127229] ICE: in convert_like_internal, at cp/call.cc:8738 eczbek.void at gmail dot com via Gcc-bugs
• 2026/09/06 [Bug target/125689] [16/17 Regression] [RISCV] [Miscompile] GCC - miscompiles at -O3 since r16-5168 law at gcc dot gnu.org via Gcc-bugs
• 2026/09/06 [Bug target/125516] [16 Regression] [RISCV] [Miscompile] GCC miscompiles at -O3 as well as -O2 since g:573ea59a48d95fc4e9f520865eae71c5d9de614f law at gcc dot gnu.org via Gcc-bugs
• 2026/09/06 [Bug rtl-optimization/125683] [13/14/15/16 Regression] wrong code due to ce1 combining 2 loads of different incompatible aliasing sets law at gcc dot gnu.org via Gcc-bugs
• 2026/09/06 [Bug rtl-optimization/125683] [13/14/15/16 Regression] wrong code due to ce1 combining 2 loads of different incompatible aliasing sets cvs-commit at gcc dot gnu.org via Gcc-bugs
• 2026/09/06 [Bug rtl-optimization/125683] [13/14/15/16 Regression] wrong code due to ce1 combining 2 loads of different incompatible aliasing sets cvs-commit at gcc dot gnu.org via Gcc-bugs
• 2026/09/06 [Bug rtl-optimization/125683] [13/14/15/16 Regression] wrong code due to ce1 combining 2 loads of different incompatible aliasing sets cvs-commit at gcc dot gnu.org via Gcc-bugs
• 2026/09/06 [Bug rtl-optimization/126426] [15/16 Regression] riscv rvv: Incorrect result with -march=rva23u64 -O2 in libgav1 law at gcc dot gnu.org via Gcc-bugs
• 2026/09/06 [Bug rtl-optimization/126720] [15/16/17 Regression] wrong code with -O3 since r15-2275 law at gcc dot gnu.org via Gcc-bugs
• 2026/09/06 [Bug rtl-optimization/126426] [15/16 Regression] riscv rvv: Incorrect result with -march=rva23u64 -O2 in libgav1 law at gcc dot gnu.org via Gcc-bugs
• 2026/09/06 [Bug rtl-optimization/126765] [15/16/17 Regression] wrong code with -O2 since r15-2275-g679086172b84be law at gcc dot gnu.org via Gcc-bugs
• 2026/09/06 [Bug tree-optimization/113434] [13/14/17 Regression] VRP misses conditional in loop is always false sometimes pinskia at gcc dot gnu.org via Gcc-bugs
• 2026/09/06 [Bug middle-end/99098] [meta-bug] invalid/missing -Wfree-nonheap-object warnings pinskia at gcc dot gnu.org via Gcc-bugs
• 2026/09/06 [Bug tree-optimization/115016] [14/15 regression] False positive -Wfree-nonheap-object using std::vector with -O3 pinskia at gcc dot gnu.org via Gcc-bugs
• 2026/09/06 [Bug c++/115048] warning "operator delete called on pointer '<unknown>' with nonzero offset" pinskia at gcc dot gnu.org via Gcc-bugs
• 2026/09/06 [Bug middle-end/126114] Missed Optimisation Bug - Unsigned divide by 7 (and 19, 21 etc) rsaxvc at gmail dot com via Gcc-bugs
• 2026/09/06 [Bug middle-end/126114] Missed Optimisation Bug - Unsigned divide by 7 (and 19, 21 etc) rsaxvc at gmail dot com via Gcc-bugs
• 2026/09/06 [Bug target/65344] Exception is not catched on AIX - class with more ancestors, virtual method throws bernard.ladenthin at gmail dot com via Gcc-bugs
• 2026/09/06 [Bug fortran/126964] [17 Regression] 4-5% slowdown of tonto of Zen{2,3,4,5} since r17-3342-gf3943597388db4 cvs-commit at gcc dot gnu.org via Gcc-bugs
• 2026/09/06 [Bug libgcc/60939] AIX: exceptions not caught when calling function via pointer bernard.ladenthin at gmail dot com via Gcc-bugs
• 2026/09/06 [Bug tree-optimization/116773] [meta-bug] TSVC missed optimizations pheeck at gcc dot gnu.org via Gcc-bugs
• 2026/09/06 [Bug target/126619] [17 Regression] Slowdown of s116 from TSVC on x86_64 since r17-2876-gf0bd50e8317926 pheeck at gcc dot gnu.org via Gcc-bugs
• 2026/09/06 [Bug c/61579] -Wwrite-strings does not behave as a warning option foss+gcc--- via Gcc-bugs
• 2026/09/06 [Bug c/61579] -Wwrite-strings does not behave as a warning option uecker at gcc dot gnu.org via Gcc-bugs
• 2026/09/06 [Bug c/61579] -Wwrite-strings does not behave as a warning option uecker at gcc dot gnu.org via Gcc-bugs
• 2026/09/06 [Bug tree-optimization/125221] x86-64 optimization: Use 32-bit popcnt instruction if operand is known to fit 32 bit integer shivam98.tkg at gmail dot com via Gcc-bugs
• 2026/09/06 [Bug c/61579] -Wwrite-strings does not behave as a warning option foss+gcc--- via Gcc-bugs
• 2026/09/06 [Bug c++/127231] `<type error>` is printed out when delete of an unknown identifier pinskia at gcc dot gnu.org via Gcc-bugs
• 2026/09/06 [Bug c++/127231] New: `<type error>` is printed out when delete of an unknown identifier pinskia at gcc dot gnu.org via Gcc-bugs
• 2026/09/05 [Bug rtl-optimization/126315] [17 regression] Failure of gcc.target/arm/pr42879.c with -Os -mthumb on armv7-a hp at gcc dot gnu.org via Gcc-bugs
• 2026/09/05 [Bug modula2/126847] [17 Regression] modula2: Build/install broken for LTO and some platforms after r17-3227-gb3275d4a1f199 gaius at gcc dot gnu.org via Gcc-bugs
• 2026/09/05 [Bug c++/51851] [core/1001] Overriding a function with a parameter of dependent type fails to override. waffl3x at gcc dot gnu.org via Gcc-bugs
• 2026/09/05 [Bug c++/127196] [contracts] redeclaration of function with type dependent param used in postcondition accepts non-const param waffl3x at gcc dot gnu.org via Gcc-bugs
• 2026/09/05 [Bug fortran/127128] DO CONCURRENT with type spec gives wrong results jvdelisle at gcc dot gnu.org via Gcc-bugs
• 2026/09/05 [Bug other/127230] float.h and cfloat missing INFINITY pinskia at gcc dot gnu.org via Gcc-bugs
• 2026/09/05 [Bug c++/127230] New: float.h and cfloat missing INFINITY luigighiron at gmail dot com via Gcc-bugs
• 2026/09/05 [Bug libgcc/60939] AIX: exceptions not caught when calling function via pointer bernard.ladenthin at gmail dot com via Gcc-bugs
• 2026/09/05 [Bug c++/127229] ICE: in convert_like_internal, at cp/call.cc:8738 eczbek.void at gmail dot com via Gcc-bugs
• 2026/09/05 [Bug c++/127229] New: ICE: in convert_like_internal, at cp/call.cc:8738 eczbek.void at gmail dot com via Gcc-bugs
• 2026/09/05 [Bug c++/103524] [meta-bug] modules issue ppalka at gcc dot gnu.org via Gcc-bugs
• 2026/09/05 [Bug libstdc++/127228] New: basic_string::_M_create not honoring contracts samuelgardner101 at gmail dot com via Gcc-bugs
• 2026/09/05 [Bug target/126196] The vsm3me.vv instruction (Zvksh, SM3 message expansion) is documented as a reserved encoding when the destination register group (vd) overlaps the first source register group (vs2). When compiling code that uses the __riscv_vsm3me_vv_u32m1 / __riscv_vsm3 law at gcc dot gnu.org via Gcc-bugs
• 2026/09/05 [Bug target/126196] The vsm3me.vv instruction (Zvksh, SM3 message expansion) is documented as a reserved encoding when the destination register group (vd) overlaps the first source register group (vs2). When compiling code that uses the __riscv_vsm3me_vv_u32m1 / __riscv_vsm3 cvs-commit at gcc dot gnu.org via Gcc-bugs
• 2026/09/05 [Bug fortran/92975] ICE in convert_nonlocal_reference_op, in tree-nested.c:1065 chilikin.k at gmail dot com via Gcc-bugs
• 2026/09/05 [Bug fortran/126950] [17 Regression] Wrong code issues with libgomp.fortran/use_device_addr-1.f90 since r17-3342-gf3943597388db4 cvs-commit at gcc dot gnu.org via Gcc-bugs
• 2026/09/05 [Bug fortran/105582] ICE on procedure pointer assignment inside block chilikin.k at gmail dot com via Gcc-bugs
• 2026/09/05 [Bug fortran/116875] Internal compiler error: in make_decl_rtl, at varasm.cc:1443 chilikin.k at gmail dot com via Gcc-bugs
• 2026/09/05 [Bug c++/127207] [modules] ICE: tree check: expected template_decl, have identifier_node in decl_value at cp/module.cc:8390 - class template with a friend declaration that forward-references a function-template specialization cvs-commit at gcc dot gnu.org via Gcc-bugs
• 2026/09/05 [Bug c++/127207] [modules] ICE: tree check: expected template_decl, have identifier_node in decl_value at cp/module.cc:8390 - class template with a friend declaration that forward-references a function-template specialization ppalka at gcc dot gnu.org via Gcc-bugs
• 2026/09/05 [Bug libstdc++/127220] <format>: clang rejects every dynamic width or precision ("{:{}}") in C++26 mode: __check_dynamic_spec is instantiated before its definition redi at gcc dot gnu.org via Gcc-bugs
• 2026/09/05 [Bug c++/102262] No reason given for constexpr function that uses non-constexpr destructor arsen at gcc dot gnu.org via Gcc-bugs
• 2026/09/05 [Bug c++/102262] No reason given for constexpr function that uses non-constexpr destructor arsen at gcc dot gnu.org via Gcc-bugs
• 2026/09/05 [Bug target/127227] New: [arm] out-of-range negative literal pool reference for Neon vldr (*neon_movv2si alternative 4) rudi at heitbaum dot com via Gcc-bugs
• 2026/09/05 [Bug target/127227] [arm] out-of-range negative literal pool reference for Neon vldr (*neon_movv2si alternative 4) rudi at heitbaum dot com via Gcc-bugs
• 2026/09/05 [Bug libstdc++/127219] <format>: make __valid_types_for_check_dynamic_spec static so check_dynamic_spec<Ts...> works with clang and EDG redi at gcc dot gnu.org via Gcc-bugs
• 2026/09/05 [Bug c/127164] ICE on valid static compound literal at function prototype scope pinskia at gcc dot gnu.org via Gcc-bugs
• 2026/09/05 [Bug tree-optimization/127201] dr_may_alias_p ignores DR_PTR_INFO, emitting runtime alias checks for provably disjoint references cvs-commit at gcc dot gnu.org via Gcc-bugs
• 2026/09/05 [Bug tree-optimization/127201] dr_may_alias_p ignores DR_PTR_INFO, emitting runtime alias checks for provably disjoint references ptomsich at gcc dot gnu.org via Gcc-bugs
• 2026/09/05 [Bug tree-optimization/127216] [17 Regression] Vector averaging code gen regression after recent change liuhongt at gcc dot gnu.org via Gcc-bugs
• 2026/09/05 [Bug c/127164] ICE on valid static compound literal at function prototype scope pinskia at gcc dot gnu.org via Gcc-bugs
• 2026/09/04 [Bug c/127226] New: attribute for marking fields of pointer type that need to be NULL at deallocation uecker at gcc dot gnu.org via Gcc-bugs
• 2026/09/04 [Bug tree-optimization/126975] __bos/__bdos(&p->inner, 1) collapses into type 0 when subobject inner ends in a FAM gustavo at embeddedor dot com via Gcc-bugs
• 2026/09/04 [Bug c/127091] Feature request: Add a warning flag for _any_ function call with unused result uecker at gcc dot gnu.org via Gcc-bugs
• 2026/09/04 [Bug ipa/122096] [16/17 Regression] r16-4000 causing 523.xalancbmk_r codesize increase by 13-15% with "-Ofast -march=native -flto" on multiple platforms pinskia at gcc dot gnu.org via Gcc-bugs
• 2026/09/04 [Bug tree-optimization/102160] Too many runtime alias checks when vectorizing pinskia at gcc dot gnu.org via Gcc-bugs
• 2026/09/04 [Bug target/127225] New: [17 Regression] ICE: in extract_insn, at recog.cc:2894 with -frounding-math -mgeneral-regs-only -mavx512vbmi -mno-sse2 zsojka at seznam dot cz via Gcc-bugs
• 2026/09/04 [Bug tree-optimization/127201] dr_may_alias_p ignores DR_PTR_INFO, emitting runtime alias checks for provably disjoint references pinskia at gcc dot gnu.org via Gcc-bugs
• 2026/09/04 [Bug target/127176] [15/16/17 Regression] ICE in require, at machmode.h: 323 with -foffload=amdgcn-amdhsa -O2 since r15-8047-gadb14c7625178b pinskia at gcc dot gnu.org via Gcc-bugs
• 2026/09/04 [Bug target/127176] [17 Regression] ICE in require, at machmode.h: 323 with -foffload=amdgcn-amdhsa -O2 pinskia at gcc dot gnu.org via Gcc-bugs
• 2026/09/04 [Bug target/123172] explicit __atomic_*() calls on _BitInt(>64) assume the data is 16-byte aligned zsojka at seznam dot cz via Gcc-bugs
• 2026/09/04 [Bug bootstrap/127224] New: gcc_AC_C_ENUM_BF_UNSIGNED is unused and should be removed pinskia at gcc dot gnu.org via Gcc-bugs
• 2026/09/04 [Bug middle-end/125507] ENUM_BITFIELD usage should be removed pinskia at gcc dot gnu.org via Gcc-bugs
• 2026/09/04 [Bug tree-optimization/127223] (int)unsigned0+(int)unsigned1 -> (int)(unsigned0+unsigned1) if unsigned0+unsigned1 does not overflow pinskia at gcc dot gnu.org via Gcc-bugs
• 2026/09/04 [Bug tree-optimization/127223] New: (int)unsigned0+(int)unsigned1 -> (int)(unsigned0+unsigned1) if unsigned0+unsigned1 does not overflow pinskia at gcc dot gnu.org via Gcc-bugs
• 2026/09/04 [Bug c/61579] -Wwrite-strings does not behave as a warning option egallager at gcc dot gnu.org via Gcc-bugs
• 2026/09/04 [Bug tree-optimization/127222] New: (a & C) + ((~a) & C) -> C pinskia at gcc dot gnu.org via Gcc-bugs
• 2026/09/04 [Bug rtl-optimization/127221] (A &mask) + (B & mask) -> (A+B) & mask for unsigned types or no overflow possible for `A+B` pinskia at gcc dot gnu.org via Gcc-bugs
• 2026/09/04 [Bug rtl-optimization/127221] New: (A &mask) + (B & mask) -> (A+B) & mask for unsigned types or no overflow possible for `A+B` pinskia at gcc dot gnu.org via Gcc-bugs
• 2026/09/04 [Bug c++/127207] [modules] ICE: tree check: expected template_decl, have identifier_node in decl_value at cp/module.cc:8390 - class template with a friend declaration that forward-references a function-template specialization cvs-commit at gcc dot gnu.org via Gcc-bugs
• 2026/09/04 [Bug tree-optimization/127216] [17 Regression] Vector averaging code gen regression after recent change pinskia at gcc dot gnu.org via Gcc-bugs
• 2026/09/04 [Bug libstdc++/127220] <format>: clang rejects every dynamic width or precision ("{:{}}") in C++26 mode: __check_dynamic_spec is instantiated before its definition pinskia at gcc dot gnu.org via Gcc-bugs
• 2026/09/04 [Bug libstdc++/127220] <format>: clang rejects every dynamic width or precision ("{:{}}") in C++26 mode: __check_dynamic_spec is instantiated before its definition stevensudit at gmail dot com via Gcc-bugs
• 2026/09/04 [Bug libstdc++/127219] <format>: make __valid_types_for_check_dynamic_spec static so check_dynamic_spec<Ts...> works with clang and EDG pinskia at gcc dot gnu.org via Gcc-bugs
• 2026/09/04 [Bug libstdc++/127220] <format>: clang rejects every dynamic width or precision ("{:{}}") in C++26 mode: __check_dynamic_spec is instantiated before its definition pinskia at gcc dot gnu.org via Gcc-bugs
• 2026/09/04 [Bug libstdc++/127220] <format>: clang rejects every dynamic width or precision ("{:{}}") in C++26 mode: __check_dynamic_spec is instantiated before its definition stevensudit at gmail dot com via Gcc-bugs
• 2026/09/04 [Bug libstdc++/127220] <format>: clang rejects every dynamic width or precision ("{:{}}") in C++26 mode: __check_dynamic_spec is instantiated before its definition stevensudit at gmail dot com via Gcc-bugs
• 2026/09/04 [Bug libstdc++/127220] <format>: clang rejects every dynamic width or precision ("{:{}}") in C++26 mode: __check_dynamic_spec is instantiated before its definition stevensudit at gmail dot com via Gcc-bugs
• 2026/09/04 [Bug libstdc++/127220] New: <format>: clang rejects every dynamic width or precision ("{:{}}") in C++26 mode: __check_dynamic_spec is instantiated before its definition stevensudit at gmail dot com via Gcc-bugs
• 2026/09/04 [Bug libstdc++/127219] <format>: make __valid_types_for_check_dynamic_spec static so check_dynamic_spec<Ts...> works with clang and EDG stevensudit at gmail dot com via Gcc-bugs
• 2026/09/04 [Bug c++/127196] [contracts] redeclaration of function with type dependent param used in postcondition accepts non-const param waffl3x at gcc dot gnu.org via Gcc-bugs
• 2026/09/04 [Bug libstdc++/127219] <format>: make __valid_types_for_check_dynamic_spec static so check_dynamic_spec<Ts...> works with clang and EDG stevensudit at gmail dot com via Gcc-bugs
• 2026/09/04 [Bug libstdc++/127219] New: <format>: make __valid_types_for_check_dynamic_spec static so check_dynamic_spec<Ts...> works with clang and EDG stevensudit at gmail dot com via Gcc-bugs
• 2026/09/04 [Bug c++/127196] [contracts] redeclaration of function with type dependent param used in postcondition accepts non-const param berne at notadragon dot com via Gcc-bugs
• 2026/09/04 [Bug c++/127218] [13/14/15/16/17 Regression] constexpr memchr/strchr/strrchr/strstr count a nonzero offset in the first argument twice stevensudit at gmail dot com via Gcc-bugs
• 2026/09/04 [Bug c++/127196] [contracts] redeclaration of function with type dependent param used in postcondition accepts non-const param waffl3x at gcc dot gnu.org via Gcc-bugs
• 2026/09/04 [Bug c++/127218] [13/14/15/16/17 Regression] constexpr memchr/strchr/strrchr/strstr count a nonzero offset in the first argument twice stevensudit at gmail dot com via Gcc-bugs
• 2026/09/04 [Bug c++/127218] [13/14/15/16/17 Regression] constexpr memchr/strchr/strrchr/strstr count a nonzero offset in the first argument twice pinskia at gcc dot gnu.org via Gcc-bugs
• 2026/09/04 [Bug c++/127218] [13/14/15/16/17 Regression] constexpr memchr/strchr/strrchr/strstr count a nonzero offset in the first argument twice stevensudit at gmail dot com via Gcc-bugs
• 2026/09/04 [Bug c++/127218] [13/14/15/16/17 Regression] constexpr memchr/strchr/strrchr/strstr count a nonzero offset in the first argument twice stevensudit at gmail dot com via Gcc-bugs
• 2026/09/04 [Bug c++/127218] New: [13/14/15/16/17 Regression] constexpr memchr/strchr/strrchr/strstr count a nonzero offset in the first argument twice stevensudit at gmail dot com via Gcc-bugs
• 2026/09/04 [Bug c++/127218] [13/14/15/16/17 Regression] constexpr memchr/strchr/strrchr/strstr count a nonzero offset in the first argument twice stevensudit at gmail dot com via Gcc-bugs
• 2026/09/04 [Bug fortran/126781] NUM_IMAGES intrinsic missing keyword arguments jvdelisle at gcc dot gnu.org via Gcc-bugs
• 2026/09/04 [Bug target/125985] GCC16 BPF backports jemarch at gcc dot gnu.org via Gcc-bugs
• 2026/09/04 [Bug debug/125421] dwarf typechain handling not consistent cvs-commit at gcc dot gnu.org via Gcc-bugs
• 2026/09/04 [Bug fortran/127208] Teams don't work correctly with -fcoarray=single jvdelisle at gcc dot gnu.org via Gcc-bugs
• 2026/09/04 [Bug fortran/126777] IMAGE_INDEX intrinsic incorrectly implements team forms jvdelisle at gcc dot gnu.org via Gcc-bugs
• 2026/09/04 [Bug fortran/126777] IMAGE_INDEX intrinsic incorrectly implements team forms cvs-commit at gcc dot gnu.org via Gcc-bugs
• 2026/09/04 [Bug fortran/126777] IMAGE_INDEX intrinsic incorrectly implements team forms cvs-commit at gcc dot gnu.org via Gcc-bugs
• 2026/09/04 [Bug libstdc++/126716] under _GLIBCXX_DEBUG, std::erase_if on unordered container with transparent comparator fails to compile in C++23 redi at gcc dot gnu.org via Gcc-bugs
• 2026/09/04 [Bug target/126671] bitreverse could be hooked up for zbkb cvs-commit at gcc dot gnu.org via Gcc-bugs
• 2026/09/04 [Bug libstdc++/126716] under _GLIBCXX_DEBUG, std::erase_if on unordered container with transparent comparator fails to compile in C++23 redi at gcc dot gnu.org via Gcc-bugs
• 2026/09/04 [Bug c++/126004] [OpenMP] ICE/sig11 when using --param=ggc-min-expand=20 --param=ggc-min-heapsize=32768 ppalka at gcc dot gnu.org via Gcc-bugs
• 2026/09/04 [Bug tree-optimization/127211] New: predcom fails to reset SCEV on its load-motion path (scev_reset gated on changed > 1); stale cache blocks ivopts stevebezalel215 at gmail dot com via Gcc-bugs
• 2026/09/04 [Bug target/127177] __builtin_isinf vectorization incorrectly signals FE_INVALID mkretz at gcc dot gnu.org via Gcc-bugs
• 2026/09/04 [Bug debug/108784] '-fcompare-debug' failure (length) w/ --param ira-simple-lra-insn-threshold=1 law at gcc dot gnu.org via Gcc-bugs
• 2026/09/04 [Bug target/126463] [15/16/17 Regression] ICE at -O1 on aarch64 during RTL pass: final cvs-commit at gcc dot gnu.org via Gcc-bugs
• 2026/09/04 [Bug debug/108784] '-fcompare-debug' failure (length) w/ --param ira-simple-lra-insn-threshold=1 cvs-commit at gcc dot gnu.org via Gcc-bugs
• 2026/09/04 [Bug middle-end/125507] ENUM_BITFIELD usage should be removed cvs-commit at gcc dot gnu.org via Gcc-bugs
• 2026/09/04 [Bug middle-end/125507] ENUM_BITFIELD usage should be removed cvs-commit at gcc dot gnu.org via Gcc-bugs
• 2026/09/04 [Bug middle-end/125507] ENUM_BITFIELD usage should be removed cvs-commit at gcc dot gnu.org via Gcc-bugs
• 2026/09/04 [Bug target/127086] RISC-V: mode-switching fails to hoist VXRM writes out of some vectorized loops law at gcc dot gnu.org via Gcc-bugs
• 2026/09/04 [Bug tree-optimization/127217] VRP does not honor TARGET_CAN_INLINE_P pinskia at gcc dot gnu.org via Gcc-bugs
• 2026/09/04 [Bug c++/125845] [C++26] P3726R2, Adjustments to Union Lifetime Rules jakub at gcc dot gnu.org via Gcc-bugs
• 2026/09/04 [Bug tree-optimization/127217] VRP does not honor TARGET_CAN_INLINE_P jakub at gcc dot gnu.org via Gcc-bugs
• 2026/09/04 [Bug target/111609] Zero shift in ARM NEON vshll_n_s8 intrinsic produces an error cvs-commit at gcc dot gnu.org via Gcc-bugs
• 2026/09/04 [Bug tree-optimization/127217] New: VRP does not honor TARGET_CAN_INLINE_P saaadhu at gcc dot gnu.org via Gcc-bugs
• 2026/09/04 [Bug middle-end/125507] ENUM_BITFIELD usage should be removed cvs-commit at gcc dot gnu.org via Gcc-bugs
• 2026/09/04 [Bug c++/125555] [16/17 Regression] error: mangling of ... conflicts with a previous mangle [import std] ppalka at gcc dot gnu.org via Gcc-bugs
• 2026/09/04 [Bug c++/123615] (c++-reflection) - [meta-bug] reflection issue ppalka at gcc dot gnu.org via Gcc-bugs
• 2026/09/04 [Bug c++/127215] [modules] [reflection] GCC: inconsistent mangling of `__gnu_cxx::operator<=>` (`__normal_iterator`, `__synth3way` `requires` clause) across a module boundary when the iterator value type is `std::meta::info` ppalka at gcc dot gnu.org via Gcc-bugs
• 2026/09/04 [Bug c++/103524] [meta-bug] modules issue ppalka at gcc dot gnu.org via Gcc-bugs
• 2026/09/04 [Bug bootstrap/126875] [17 regression] Parallel make compare breaks bootstrap due to gnuism for sed ktkachov at gcc dot gnu.org via Gcc-bugs
• 2026/09/04 [Bug c++/127212] [modules] implicitly-inline member function of a module class not emitted as COMDAT in importers ppalka at gcc dot gnu.org via Gcc-bugs
• 2026/09/04 [Bug c++/103524] [meta-bug] modules issue ppalka at gcc dot gnu.org via Gcc-bugs
• 2026/09/04 [Bug c/127127] Provide built-in macro __SSIZE_TYPE__ for ssize_t gjl at gcc dot gnu.org via Gcc-bugs
• 2026/09/04 [Bug tree-optimization/126942] [17 Regression] Wrong code at -O1/s on x86_64-pc-linux-gnu since r17-3298 cvs-commit at gcc dot gnu.org via Gcc-bugs
• 2026/09/04 [Bug tree-optimization/127216] New: [17 Regression] Vector averaging code gen regression after recent change law at gcc dot gnu.org via Gcc-bugs
• 2026/09/04 [Bug bootstrap/126875] [17 regression] Parallel make compare breaks bootstrap due to gnuism for sed cvs-commit at gcc dot gnu.org via Gcc-bugs
• 2026/09/04 [Bug c++/127215] New: [modules] [reflection] GCC: inconsistent mangling of `__gnu_cxx::operator<=>` (`__normal_iterator`, `__synth3way` `requires` clause) across a module boundary when the iterator value type is `std::meta::info` jasio.lpn at gmail dot com via Gcc-bugs
• 2026/09/04 [Bug tree-optimization/112266] `constcall(a)` and `constcall(&a->b[0])` is not being optimized to one call rguenth at gcc dot gnu.org via Gcc-bugs
• 2026/09/04 [Bug target/126671] bitreverse could be hooked up for zbkb jakub at gcc dot gnu.org via Gcc-bugs
• 2026/09/04 [Bug target/127188] [avr] gcc.dg/pr45865.c: -fcompare-debug failure gjl at gcc dot gnu.org via Gcc-bugs
• 2026/09/04 [Bug lto/108534] LTO streamer does not remap source directory rguenth at gcc dot gnu.org via Gcc-bugs
• 2026/09/04 [Bug target/127188] [avr] gcc.dg/pr45865.c: -fcompare-debug failure cvs-commit at gcc dot gnu.org via Gcc-bugs
• 2026/09/04 [Bug target/127188] [avr] gcc.dg/pr45865.c: -fcompare-debug failure cvs-commit at gcc dot gnu.org via Gcc-bugs
• 2026/09/04 [Bug tree-optimization/127205] [17 regression] ivopts changes cause performance regression on AArch64 tnfchris at gcc dot gnu.org via Gcc-bugs
• 2026/09/04 [Bug target/127188] [avr] gcc.dg/pr45865.c: -fcompare-debug failure cvs-commit at gcc dot gnu.org via Gcc-bugs
• 2026/09/04 [Bug rtl-optimization/126412] [17 Regression] csmith: wrong code with -O3 -march=arm-32 -fno-strict-aliasing konstantinos.eleftheriou at vrull dot eu via Gcc-bugs
• 2026/09/04 [Bug tree-optimization/127206] [17 regression] ice in internal compiler error: in vect_schedule_slp_node, at tree-vect-slp.cc:12201 pinskia at gcc dot gnu.org via Gcc-bugs
• 2026/09/04 [Bug middle-end/127213] New: [OpenMP] 'requires self_map/USM' leads to wrong code burnus at gcc dot gnu.org via Gcc-bugs
• 2026/09/04 [Bug middle-end/127214] New: [OpenMP] 'declare target' - LINK and ENTER variables mishandled with MAP clauses burnus at gcc dot gnu.org via Gcc-bugs
• 2026/09/04 [Bug tree-optimization/126941] ivopt (and scev) fail for iv's with loop-variant steps alfierichards at gcc dot gnu.org via Gcc-bugs
• 2026/09/04 [Bug tree-optimization/126941] ivopt (and scev) fail for iv's with loop-variant steps amonakov at gcc dot gnu.org via Gcc-bugs
• 2026/09/04 [Bug driver/125258] ICE: resolution sub id 0xe3d338721a4464e not in object file with -flto -flto-partition=none -fltrans tnfchris at gcc dot gnu.org via Gcc-bugs
• 2026/09/04 [Bug tree-optimization/127211] predcom fails to reset SCEV on its load-motion path (scev_reset gated on changed > 1); stale cache blocks ivopts rguenth at gcc dot gnu.org via Gcc-bugs
• 2026/09/04 [Bug target/127176] ICE in require, at machmode.h: 323 with -foffload=amdgcn-amdhsa -O2 chilikin.k at gmail dot com via Gcc-bugs
• 2026/09/04 [Bug fortran/127210] Internal Compilation error : Mismatch in components of derived type mikael at gcc dot gnu.org via Gcc-bugs
• 2026/09/04 [Bug tree-optimization/127206] [17 regression] ice in internal compiler error: in vect_schedule_slp_node, at tree-vect-slp.cc:12201 rguenth at gcc dot gnu.org via Gcc-bugs
• 2026/09/04 [Bug tree-optimization/121349] scalar_cond_masked_set optimization fails to consider all SLP lanes rguenth at gcc dot gnu.org via Gcc-bugs
• 2026/09/04 [Bug driver/125258] ICE: resolution sub id 0xe3d338721a4464e not in object file with -flto -flto-partition=none -fltrans tnfchris at gcc dot gnu.org via Gcc-bugs
• 2026/09/04 [Bug driver/125258] ICE: resolution sub id 0xe3d338721a4464e not in object file with -flto -flto-partition=none -fltrans sjames at gcc dot gnu.org via Gcc-bugs
• 2026/09/04 [Bug fortran/127210] Internal Compilation error : Mismatch in components of derived type mikael at gcc dot gnu.org via Gcc-bugs
• 2026/09/04 [Bug tree-optimization/127205] [17 regression] ivopts changes cause performance regression on AArch64 alfierichards at gcc dot gnu.org via Gcc-bugs
• 2026/09/04 [Bug driver/125258] ICE: resolution sub id 0xe3d338721a4464e not in object file with -flto -flto-partition=none -fltrans tnfchris at gcc dot gnu.org via Gcc-bugs
• 2026/09/04 [Bug c++/127212] New: [modules] implicitly-inline member function of a module class not emitted as COMDAT in importers jasio.lpn at gmail dot com via Gcc-bugs
• 2026/09/04 [Bug demangler/123988] Long names are not demanglable d7d1cd at mail dot ru via Gcc-bugs
• 2026/09/04 [Bug tree-optimization/127206] [17 regression] ice in internal compiler error: in vect_schedule_slp_node, at tree-vect-slp.cc:12201 cvs-commit at gcc dot gnu.org via Gcc-bugs
• 2026/09/04 [Bug ipa/127106] [13/14/15/16/17 Regression] unrenamed symbol after IPA SRA rguenth at gcc dot gnu.org via Gcc-bugs
• 2026/09/04 [Bug libgomp/127186] [OpenMP] With GOMP_RUNTIME_USM, in 'target'/'target data' still map static global variables (declare target) cvs-commit at gcc dot gnu.org via Gcc-bugs
• 2026/09/04 [Bug libstdc++/126716] under _GLIBCXX_DEBUG, std::erase_if on unordered container with transparent comparator fails to compile in C++23 ncm at gcc dot gnu.org via Gcc-bugs
• 2026/09/04 [Bug tree-optimization/127206] [17 regression] ice in internal compiler error: in vect_schedule_slp_node, at tree-vect-slp.cc:12201 rguenth at gcc dot gnu.org via Gcc-bugs
• 2026/09/03 [Bug libstdc++/115740] [14/15/16/17 Regression] gcc-14.1.1: __glibcxx_assert_fail const-evaluation breaks clang/hip device code rguenth at gcc dot gnu.org via Gcc-bugs
• 2026/09/03 [Bug c++/126677] [16/17 Regression] GCC accepts invalid program involving overloaded member function templates rguenth at gcc dot gnu.org via Gcc-bugs
• 2026/09/03 [Bug tree-optimization/127206] [17 regression] ice in internal compiler error: in vect_schedule_slp_node, at tree-vect-slp.cc:12201 rguenth at gcc dot gnu.org via Gcc-bugs
• 2026/09/03 [Bug tree-optimization/127205] [17 regression] ivopts changes cause performance regression on AArch64 rguenth at gcc dot gnu.org via Gcc-bugs
• 2026/09/03 [Bug tree-optimization/127205] [17 regression] ivopts changes cause performance regression on AArch64 rguenth at gcc dot gnu.org via Gcc-bugs
• 2026/09/03 [Bug fortran/127210] New: Internal Compilation error : Mismatch in components of derived type raphael.monod at wanadoo dot fr via Gcc-bugs
• 2026/09/03 [Bug tree-optimization/127206] [17 regression] ice in internal compiler error: in vect_schedule_slp_node, at tree-vect-slp.cc:12201 pinskia at gcc dot gnu.org via Gcc-bugs
• 2026/09/03 [Bug tree-optimization/127206] [17 regression] ice in internal compiler error: in vect_schedule_slp_node, at tree-vect-slp.cc:12201 pinskia at gcc dot gnu.org via Gcc-bugs
• 2026/09/03 [Bug target/126932] GCC's RISC-V auto-vectorizer emits FMA instructions with -ffp-contract=off chenzhongyao.hit at gmail dot com via Gcc-bugs
• 2026/09/03 [Bug testsuite/126923] Additional testsuite failures when configured with --with-arch=native --with-cpu=native cvs-commit at gcc dot gnu.org via Gcc-bugs
• 2026/09/03 [Bug testsuite/126923] Additional testsuite failures when configured with --with-arch=native --with-cpu=native cvs-commit at gcc dot gnu.org via Gcc-bugs
• 2026/09/03 [Bug testsuite/126923] Additional testsuite failures when configured with --with-arch=native --with-cpu=native cvs-commit at gcc dot gnu.org via Gcc-bugs
• 2026/09/03 [Bug tree-optimization/92645] Hand written vector code is 450 times slower when compiled with GCC compared to Clang cvs-commit at gcc dot gnu.org via Gcc-bugs
• 2026/09/03 [Bug testsuite/126923] Additional testsuite failures when configured with --with-arch=native --with-cpu=native cvs-commit at gcc dot gnu.org via Gcc-bugs
• 2026/09/03 [Bug c++/124983] [15 Regression] ICE with using typename T::Name and then doing this->name() in method of a template struct ppalka at gcc dot gnu.org via Gcc-bugs
• 2026/09/03 [Bug c++/126860] [14/15/ Regression] ICE when calling a function pointer data member with a qualified-id from a dependent base class template ppalka at gcc dot gnu.org via Gcc-bugs

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