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• 2026/10/23 [Bug target/127843] [17 regression] ICE when building libgcc2 for hppa (RTL flag check: CONSTANT_POOL_ADDRESS_P used with unexpected rtx code 'const_double' in pa_legitimate_constant_p, at config/pa/pa.cc:11030) cvs-commit at gcc dot gnu.org via Gcc-bugs
• 2026/10/23 [Bug c++/128110] Bogus/misleading Warray-bounds warning due to speculative devirtualization pinskia at gcc dot gnu.org via Gcc-bugs
• 2026/10/23 [Bug tree-optimization/122197] [16/17 Regression] predictively devirtualization vs middle-end warnings since r16-4000 pinskia at gcc dot gnu.org via Gcc-bugs
• 2026/10/23 [Bug c++/128110] New: Bogus/misleading Warray-bounds warning due to speculative devirtualization gccbugs at mail dot mesa42.com via Gcc-bugs
• 2026/10/23 [Bug middle-end/108300] `abort()` macro cause bootstrap failure on *-w64-mingw32 lh_mouse at 126 dot com via Gcc-bugs
• 2026/10/23 [Bug tree-optimization/128056] vectorizer: verify_gimple failed (vector 'constructor' elements) on omp declare simd const function returning _Bool rguenth at gcc dot gnu.org via Gcc-bugs
• 2026/10/23 [Bug libfortran/128107] Advancing formatted STREAM read past short record causes cumulative persistent POS error kargl at gcc dot gnu.org via Gcc-bugs
• 2026/10/23 [Bug libfortran/128107] Advancing formatted STREAM read past short record causes cumulative persistent POS error kargl at gcc dot gnu.org via Gcc-bugs
• 2026/10/23 [Bug middle-end/108300] `abort()` macro cause bootstrap failure on *-w64-mingw32 sjames at gcc dot gnu.org via Gcc-bugs
• 2026/10/23 [Bug ipa/119558] [meta-bug] Improve Link Time Optimization on Windows sjames at gcc dot gnu.org via Gcc-bugs
• 2026/10/23 [Bug lto/115300] gcc 14 cannot compile itself on Windows when bootstrap-lto is specified sjames at gcc dot gnu.org via Gcc-bugs
• 2026/10/23 [Bug target/128105] [17 Regression] ICE: in expand_shift_1, at expmed.cc:2882 with -mvpclmulqdq -mno-sse and __builtin_crc16_data16() cvs-commit at gcc dot gnu.org via Gcc-bugs
• 2026/10/23 [Bug libstdc++/112925] Optimize std::string construction from std::istreambuf_iterator ncm at gcc dot gnu.org via Gcc-bugs
• 2026/10/23 [Bug fortran/128093] [17 Regression] pdt_bug9.f90 / pdt_bug10.f90 ICE after r17-5389-g40c4b9dcd9be3e iains at gcc dot gnu.org via Gcc-bugs
• 2026/10/23 [Bug c/128108] uint16_t array missing nul terminator triggers unsuppressable `unterminated-string-initialization` warning sjames at gcc dot gnu.org via Gcc-bugs
• 2026/10/23 [Bug target/122382] conversion to _Float16 does not vectorize on x86-64-v3 adamant.pwn at gmail dot com via Gcc-bugs
• 2026/10/23 [Bug fortran/128104] New: valgrind error in gfc_copy_expr(gfc_expr*) (expr.cc:339) dcb314 at hotmail dot com via Gcc-bugs
• 2026/10/23 [Bug c/128109] New: Unexpected result with "+m,r" asm operand mumumu0722 at gmail dot com via Gcc-bugs
• 2026/10/23 [Bug tree-optimization/128082] Compile-time hog in fre1 at -O2 on a loop header with many latch edges (switch dispatch loop) rguenth at gcc dot gnu.org via Gcc-bugs
• 2026/10/23 [Bug target/128105] [17 Regression] ICE: in expand_shift_1, at expmed.cc:2882 with -mvpclmulqdq -mno-sse and __builtin_crc16_data16() ubizjak at gmail dot com via Gcc-bugs
• 2026/10/23 [Bug target/128105] [17 Regression] ICE: in expand_shift_1, at expmed.cc:2882 with -mvpclmulqdq -mno-sse and __builtin_crc16_data16() cvs-commit at gcc dot gnu.org via Gcc-bugs
• 2026/10/23 [Bug tree-optimization/128070] -O3 cunrolli growth on many small loops, super-linear compile time and memory rguenth at gcc dot gnu.org via Gcc-bugs
• 2026/10/23 [Bug c/128108] uint16_t array missing nul terminator triggers unsuppressable `unterminated-string-initialization` warning aiden at loroco dot tech via Gcc-bugs
• 2026/10/23 [Bug tree-optimization/128070] -O3 cunrolli growth on many small loops, super-linear compile time and memory rguenth at gcc dot gnu.org via Gcc-bugs
• 2026/10/23 [Bug c++/123615] (c++-reflection) - [meta-bug] reflection issue mpolacek at gcc dot gnu.org via Gcc-bugs
• 2026/10/23 [Bug c/128108] New: uint16_t array missing nul terminator triggers unsuppressable `unterminated-string-initialization` warning aiden at loroco dot tech via Gcc-bugs
• 2026/10/23 [Bug tree-optimization/114074] [14/15/16/17 Regression] wrong code at -O1 and above on x86_64-linux-gnu since r8-343 (SCEV/chrec) rguenth at gcc dot gnu.org via Gcc-bugs
• 2026/10/23 [Bug c/119774] Missing -Wcast-align for reduced-alignment types jengelh at inai dot de via Gcc-bugs
• 2026/10/23 [Bug tree-optimization/114074] [14/15/16/17 Regression] wrong code at -O1 and above on x86_64-linux-gnu since r8-343 (SCEV/chrec) rguenth at gcc dot gnu.org via Gcc-bugs
• 2026/10/23 [Bug tree-optimization/128078] wrong code at -O1, -O2 and -Os summing (long long) ((b + i) * s) in a loop with step 3 rguenth at gcc dot gnu.org via Gcc-bugs
• 2026/10/23 [Bug tree-optimization/128089] [14/15/16 Regression] Wrong code for nested floating-point division in reassoc with -ffast-math -fno-reciprocal-math rguenth at gcc dot gnu.org via Gcc-bugs
• 2026/10/23 [Bug tree-optimization/128089] [14/15/16/17 Regression] Wrong code for nested floating-point division in reassoc with -ffast-math -fno-reciprocal-math cvs-commit at gcc dot gnu.org via Gcc-bugs
• 2026/10/23 [Bug tree-optimization/128078] wrong code at -O1, -O2 and -Os summing (long long) ((b + i) * s) in a loop with step 3 rguenth at gcc dot gnu.org via Gcc-bugs
• 2026/10/23 [Bug target/128105] [17 Regression] ICE: in expand_shift_1, at expmed.cc:2882 with -mvpclmulqdq -mno-sse and __builtin_crc16_data16() cvs-commit at gcc dot gnu.org via Gcc-bugs
• 2026/10/23 [Bug tree-optimization/128013] [15/16 Regression] ICE at expand internal compiler error: SSA corruption with SLP rguenth at gcc dot gnu.org via Gcc-bugs
• 2026/10/23 [Bug fortran/128093] [17 Regression] pdt_bug9.f90 / pdt_bug10.f90 ICE after r17-5389-g40c4b9dcd9be3e cvs-commit at gcc dot gnu.org via Gcc-bugs
• 2026/10/23 [Bug c++/127856] [17 Regression] class with a `std::meta::info` member and a default member initializer, instantiated as a local at `-O1`+: ICE in `type_contains_placeholder_1` (tree.cc:4463) during `ealias`/`esra` since r17-4197 mpolacek at gcc dot gnu.org via Gcc-bugs
• 2026/10/23 [Bug c++/127856] [17 Regression] class with a `std::meta::info` member and a default member initializer, instantiated as a local at `-O1`+: ICE in `type_contains_placeholder_1` (tree.cc:4463) during `ealias`/`esra` since r17-4197 cvs-commit at gcc dot gnu.org via Gcc-bugs
• 2026/10/23 [Bug c++/126017] internal compiler error: tree code 'meta_type' is not supported in LTO streams mpolacek at gcc dot gnu.org via Gcc-bugs
• 2026/10/23 [Bug c++/123615] (c++-reflection) - [meta-bug] reflection issue mpolacek at gcc dot gnu.org via Gcc-bugs
• 2026/10/23 [Bug c++/126017] internal compiler error: tree code 'meta_type' is not supported in LTO streams cvs-commit at gcc dot gnu.org via Gcc-bugs
• 2026/10/23 [Bug c++/128106] New: Passing more than 256 params to a lambda with capture gives miscompoiled code due the IPA SRA berteun at gmail dot com via Gcc-bugs
• 2026/10/23 [Bug fortran/128104] [17 Regression] valgrind error in gfc_copy_expr(gfc_expr*) (expr.cc:339) anlauf at gcc dot gnu.org via Gcc-bugs
• 2026/10/23 [Bug tree-optimization/128081] [17 Regression] Incorrect code (?) after folding pow (-Inf, 0.5) roger at nextmovesoftware dot com via Gcc-bugs
• 2026/10/23 [Bug c++/127386] Track which mem-initializers are done during constexpr construction jakub at gcc dot gnu.org via Gcc-bugs
• 2026/10/23 [Bug target/128105] [17 Regression] ICE: in expand_shift_1, at expmed.cc:2882 with -mvpclmulqdq -mno-sse and __builtin_crc16_data16() cvs-commit at gcc dot gnu.org via Gcc-bugs
• 2026/10/23 [Bug tree-optimization/128089] [14/15/16/17 Regression] Wrong code for nested floating-point division in reassoc with -ffast-math -fno-reciprocal-math rguenth at gcc dot gnu.org via Gcc-bugs
• 2026/10/23 [Bug ipa/128092] [15/16/17 Regression] wrong code at -O2: IPA bit-CP through a MAX_EXPR pass-through removes a loop adamant.pwn at gmail dot com via Gcc-bugs
• 2026/10/23 [Bug tree-optimization/128089] Wrong code for nested floating-point division in reassoc with -ffast-math -fno-reciprocal-math rguenth at gcc dot gnu.org via Gcc-bugs
• 2026/10/23 [Bug target/121268] RISC-V: Possible optimization when manipulating rightmost bits with zbb enabled cvs-commit at gcc dot gnu.org via Gcc-bugs
• 2026/10/23 [Bug fortran/128093] [17 Regression] pdt_bug9.f90 / pdt_bug10.f90 ICE after r17-5389-g40c4b9dcd9be3e pault at gcc dot gnu.org via Gcc-bugs
• 2026/10/23 [Bug tree-optimization/128089] Wrong code for nested floating-point division in reassoc with -ffast-math -fno-reciprocal-math rguenth at gcc dot gnu.org via Gcc-bugs
• 2026/10/23 [Bug tree-optimization/127981] [15/16/17 Regression] wrong code at -O3 with "-fno-tree-pre -fno-move-loop-stores -fno-tree-forwprop -fno-tree-dominator-opts" on x86_64-linux-gnu since r15-6655-g0014a858a14b82 cvs-commit at gcc dot gnu.org via Gcc-bugs
• 2026/10/23 [Bug target/65263] [5 Regression] ICE (error: unrecognizable insn / in insn_min_length, at config/rs6000/rs6000.md) on powerpc64le-linux-gnu cvs-commit at gcc dot gnu.org via Gcc-bugs
• 2026/10/23 [Bug target/127692] [14/15/16 Regression] s390x ICE during split1 of bswaphi2 cvs-commit at gcc dot gnu.org via Gcc-bugs
• 2026/10/23 [Bug target/128105] [17 Regression] ICE: in expand_shift_1, at expmed.cc:2882 with -mvpclmulqdq -mno-sse and __builtin_crc16_data16() ubizjak at gmail dot com via Gcc-bugs
• 2026/10/23 [Bug tree-optimization/128102] [14/15/16/17 Regression] GCC 12+ keeps a small state-machine loop rolled, 1.85x slower than GCC 11 on x86-64 rguenth at gcc dot gnu.org via Gcc-bugs
• 2026/10/23 [Bug target/128105] New: [17 Regression] ICE: in expand_shift_1, at expmed.cc:2882 with -mvpclmulqdq -mno-sse and __builtin_crc16_data16() zsojka at seznam dot cz via Gcc-bugs
• 2026/10/23 [Bug fortran/128033] [14/15/16/17 regression] Array allocation from polymorphic pointer source doesn't correctly copy the values mikael at gcc dot gnu.org via Gcc-bugs
• 2026/10/23 [Bug fortran/128103] Wrong array descriptor with class container element type mikael at gcc dot gnu.org via Gcc-bugs
• 2026/10/23 [Bug fortran/127827] Array span incorrectly set when passing a polymorphic dummy to a target assumed-shape dummy mikael at gcc dot gnu.org via Gcc-bugs
• 2026/10/23 [Bug fortran/128103] New: Wrong array descriptor with class container element type mikael at gcc dot gnu.org via Gcc-bugs
• 2026/10/23 [Bug tree-optimization/128089] Wrong code for nested floating-point division in reassoc with -ffast-math -fno-reciprocal-math linkw at gcc dot gnu.org via Gcc-bugs
• 2026/10/23 [Bug ipa/127967] [14/15/16/17 Regression] wrong code at -O2 with bit-field of a struct passed by value (ipa-cp) lzy20000419 at outlook dot com via Gcc-bugs
• 2026/10/23 [Bug tree-optimization/128102] [12/13/14/15/16/17 Regression] GCC 12+ keeps a small state-machine loop rolled, 1.85x slower than GCC 11 on x86-64 yansendao at 126 dot com via Gcc-bugs
• 2026/10/23 [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
• 2026/10/23 [Bug tree-optimization/128102] New: [12/13/14/15/16/17 Regression] GCC 12+ keeps a small state-machine loop rolled, 1.85x slower than GCC 11 on x86-64 yansendao at 126 dot com via Gcc-bugs
• 2026/10/23 [Bug ipa/127967] [14/15/16/17 Regression] wrong code at -O2 with bit-field of a struct passed by value (ipa-cp) lzy20000419 at outlook dot com via Gcc-bugs
• 2026/10/23 [Bug ipa/128074] [16/17 Regression] wrong code at -O3 for a self-recursive call that passes a struct to a const struct parameter rguenth at gcc dot gnu.org via Gcc-bugs
• 2026/10/23 [Bug c++/127559] [OpenMP] ICE (incorrect sharing of tree nodes) with a lambda during GIMPLE pass: cfg cvs-commit at gcc dot gnu.org via Gcc-bugs
• 2026/10/23 [Bug c++/127559] [OpenMP] ICE (incorrect sharing of tree nodes) with a lambda during GIMPLE pass: cfg cvs-commit at gcc dot gnu.org via Gcc-bugs
• 2026/10/23 [Bug target/128035] failure to inline some memcmp when -mno-sse is passed liuhongt at gcc dot gnu.org via Gcc-bugs
• 2026/10/23 [Bug target/128035] failure to inline some memcmp when -mno-sse is passed cvs-commit at gcc dot gnu.org via Gcc-bugs
• 2026/10/23 [Bug ipa/127967] [14/15/16/17 Regression] wrong code at -O2 with bit-field of a struct passed by value (ipa-cp) jamborm at gcc dot gnu.org via Gcc-bugs
• 2026/10/23 [Bug fortran/128093] [17 Regression] pdt_bug9.f90 / pdt_bug10.f90 ICE after r17-5389-g40c4b9dcd9be3e pault at gcc dot gnu.org via Gcc-bugs
• 2026/10/22 [Bug ipa/128097] [14/15/16/17 Regression] ICE in record_target_from_binfo at ipa-devirt.cc:2641 with -O2 pinskia at gcc dot gnu.org via Gcc-bugs
• 2026/10/22 [Bug ipa/128086] [14/15/16/17 Regression] virtual call in constructor with virtual bases folded to __builtin_unreachable at -O2 rguenth at gcc dot gnu.org via Gcc-bugs
• 2026/10/22 [Bug tree-optimization/128101] [16/17 Regression] seq is not released hot_cold_predict case pinskia at gcc dot gnu.org via Gcc-bugs
• 2026/10/22 [Bug tree-optimization/128101] New: [16/17 Regression] seq is not released hot_cold_predict case pinskia at gcc dot gnu.org via Gcc-bugs
• 2026/10/22 [Bug ipa/128097] ICE in record_target_from_binfo at ipa-devirt.cc:2641 with -O2 rguenth at gcc dot gnu.org via Gcc-bugs
• 2026/10/22 [Bug tree-optimization/128095] [17 Regression] ICE on valid code at -O3 on x86_64-linux-gnu: Segmentation fault rguenth at gcc dot gnu.org via Gcc-bugs
• 2026/10/22 [Bug fortran/128093] [17 Regression] pdt_bug9.f90 / pdt_bug10.f90 ICE after r17-5389-g40c4b9dcd9be3e rguenth at gcc dot gnu.org via Gcc-bugs
• 2026/10/22 [Bug tree-optimization/128089] Wrong code for nested floating-point division in reassoc with -ffast-math -fno-reciprocal-math rguenth at gcc dot gnu.org via Gcc-bugs
• 2026/10/22 [Bug ipa/128092] [15/16/17 Regression] wrong code at -O2: IPA bit-CP through a MAX_EXPR pass-through removes a loop rguenth at gcc dot gnu.org via Gcc-bugs
• 2026/10/22 [Bug tree-optimization/128080] [14/15/16/17 Regression] wrong code merging VEC_PERM_EXPRs when the merged indices do not fit the mask element type rguenth at gcc dot gnu.org via Gcc-bugs
• 2026/10/22 [Bug ipa/128085] [14/15/16/17 Regression] wrong code at -O2 destroying an object with an anonymous-namespace virtual base; -fno-ipa-modref avoids it rguenth at gcc dot gnu.org via Gcc-bugs
• 2026/10/22 [Bug tree-optimization/128082] Compile-time hog in fre1 at -O2 on a loop header with many latch edges (switch dispatch loop) rguenth at gcc dot gnu.org via Gcc-bugs
• 2026/10/22 [Bug tree-optimization/128081] [17 Regression] Incorrect code (?) after folding pow (-Inf, 0.5) rguenth at gcc dot gnu.org via Gcc-bugs
• 2026/10/22 [Bug tree-optimization/128078] wrong code at -O1, -O2 and -Os summing (long long) ((b + i) * s) in a loop with step 3 rguenth at gcc dot gnu.org via Gcc-bugs
• 2026/10/22 [Bug ipa/128077] wrong code at -O2/-O3 when default-ISA code calls a static target("avx2") function through vector pointers rguenth at gcc dot gnu.org via Gcc-bugs
• 2026/10/22 [Bug tree-optimization/128075] [14/15/16/17 regression] wrong code at -O1 and above when a nested function returns the address of a local of its containing function rguenth at gcc dot gnu.org via Gcc-bugs
• 2026/10/22 [Bug tree-optimization/128071] Missed optimization: non-allocatable class array dummy blocks vectorization rguenth at gcc dot gnu.org via Gcc-bugs
• 2026/10/22 [Bug tree-optimization/128070] -O3 cunrolli growth on many small loops, super-linear compile time and memory rguenth at gcc dot gnu.org via Gcc-bugs
• 2026/10/22 [Bug tree-optimization/128100] `std::max({a,b,c})` is not optimized at -Os pinskia at gcc dot gnu.org via Gcc-bugs
• 2026/10/22 [Bug bootstrap/112422] Build process does a redundant number of checks ? sjames at gcc dot gnu.org via Gcc-bugs
• 2026/10/22 [Bug tree-optimization/128100] New: `std::max({a,b,c})` is not optimized at -Os pinskia at gcc dot gnu.org via Gcc-bugs
• 2026/10/22 [Bug ipa/128074] [16/17 Regression] wrong code at -O3 for a self-recursive call that passes a struct to a const struct parameter pinskia at gcc dot gnu.org via Gcc-bugs
• 2026/10/22 [Bug c++/128098] Delegating value-initialization incorrectly zeroes a virtual base of a base subobject pinskia at gcc dot gnu.org via Gcc-bugs
• 2026/10/22 [Bug tree-optimization/128099] New: `((x & 1) == 0) && (x != CST)` where `CST&1 != 0` is not simplified to just `((x & 1) == 0)` pinskia at gcc dot gnu.org via Gcc-bugs
• 2026/10/22 [Bug c++/128098] Delegating value-initialization incorrectly zeroes a virtual base of a base subobject yqtian668 at gmail dot com via Gcc-bugs
• 2026/10/22 [Bug other/32783] gcc-4_3-trunk/libiberty/configure - for ac_func gettimeofday ... gettimeofday - tests twice sjames at gcc dot gnu.org via Gcc-bugs
• 2026/10/22 [Bug c++/128098] Delegating value-initialization incorrectly zeroes a virtual base of a base subobject sjames at gcc dot gnu.org via Gcc-bugs
• 2026/10/22 [Bug c++/128098] Delegating value-initialization incorrectly zeroes a virtual base of a base subobject yqtian668 at gmail dot com via Gcc-bugs
• 2026/10/22 [Bug c++/128098] Delegating value-initialization incorrectly zeroes a virtual base of a base subobject pinskia at gcc dot gnu.org via Gcc-bugs
• 2026/10/22 [Bug ipa/128074] [16/17 Regression] wrong code at -O3 for a self-recursive call that passes a struct to a const struct parameter pinskia at gcc dot gnu.org via Gcc-bugs
• 2026/10/22 [Bug c++/128098] Delegating value-initialization incorrectly zeroes a virtual base of a base subobject yqtian668 at gmail dot com via Gcc-bugs
• 2026/10/22 [Bug tree-optimization/128094] __builtin_dynamic_object_size returns 0 for container_of through a char * sjames at gcc dot gnu.org via Gcc-bugs
• 2026/10/22 [Bug c++/128098] New: Delegating value-initialization incorrectly zeroes a virtual base of a base subobject yqtian668 at gmail dot com via Gcc-bugs
• 2026/10/22 [Bug ipa/128097] New: ICE in record_target_from_binfo at ipa-devirt.cc:2641 with -O2 yqtian668 at gmail dot com via Gcc-bugs
• 2026/10/22 [Bug c++/70151] forming out of bounds constexpr pointer accepted mpolacek at gcc dot gnu.org via Gcc-bugs
• 2026/10/22 [Bug tree-optimization/128094] __builtin_dynamic_object_size returns 0 for container_of through a char * lightofmysoul at gmail dot com via Gcc-bugs
• 2026/10/22 [Bug libfortran/127973] caf_shmem: collectives do not report an exhausted shared memory pool through STAT= and ERRMSG= cvs-commit at gcc dot gnu.org via Gcc-bugs
• 2026/10/22 [Bug debug/97026] -flto and DW_AT_GNU_macros sascha-web-gcc.gnu.org at silbe dot org via Gcc-bugs
• 2026/10/22 [Bug tree-optimization/121662] Unnecessary data dependant branches with avx512 masks adamant.pwn at gmail dot com via Gcc-bugs
• 2026/10/22 [Bug tree-optimization/128094] __builtin_dynamic_object_size returns 0 for container_of through a char * jakub at gcc dot gnu.org via Gcc-bugs
• 2026/10/22 [Bug c++/124312] [reflection] vector<meta::info> unusable in consteval context with _GLIBCXX_DEBUG=1 mishmish at mishmish dot dev via Gcc-bugs
• 2026/10/22 [Bug tree-optimization/128096] RFE: use explicit writability contracts for pointer-based conditional stores pinskia at gcc dot gnu.org via Gcc-bugs
• 2026/10/22 [Bug tree-optimization/128096] RFE: use explicit writability contracts for pointer-based conditional stores pinskia at gcc dot gnu.org via Gcc-bugs
• 2026/10/22 [Bug tree-optimization/128096] RFE: use explicit writability contracts for pointer-based conditional stores pinskia at gcc dot gnu.org via Gcc-bugs
• 2026/10/22 [Bug tree-optimization/128096] RFE: use explicit writability contracts for pointer-based conditional stores pinskia at gcc dot gnu.org via Gcc-bugs
• 2026/10/22 [Bug tree-optimization/128096] New: RFE: use explicit writability contracts for pointer-based conditional stores adamant.pwn at gmail dot com via Gcc-bugs
• 2026/10/22 [Bug ipa/128092] [15/16/17 Regression] wrong code at -O2: IPA bit-CP through a MAX_EXPR pass-through removes a loop adamant.pwn at gmail dot com via Gcc-bugs
• 2026/10/22 [Bug tree-optimization/128095] [17 Regression] ICE on valid code at -O3 on x86_64-linux-gnu: Segmentation fault pinskia at gcc dot gnu.org via Gcc-bugs
• 2026/10/22 [Bug c++/124312] [reflection] vector<meta::info> unusable in consteval context with _GLIBCXX_DEBUG=1 jakub at gcc dot gnu.org via Gcc-bugs
• 2026/10/22 [Bug testsuite/126082] arm_fp16_no_nocache target broken cvs-commit at gcc dot gnu.org via Gcc-bugs
• 2026/10/22 [Bug c++/124312] [reflection] vector<meta::info> unusable in consteval context with _GLIBCXX_DEBUG=1 mishmish at mishmish dot dev via Gcc-bugs
• 2026/10/22 [Bug rtl-optimization/128095] New: ICE on valid code at -O3 on x86_64-linux-gnu: Segmentation fault zhendong.su at inf dot ethz.ch via Gcc-bugs
• 2026/10/22 [Bug ipa/128092] [15/16/17 Regression] wrong code at -O2: IPA bit-CP through a MAX_EXPR pass-through removes a loop adamant.pwn at gmail dot com via Gcc-bugs
• 2026/10/22 [Bug target/128091] Enable -fasynchronous-unwind-tables by default on sparc64 Linux ebotcazou at gcc dot gnu.org via Gcc-bugs
• 2026/10/22 [Bug tree-optimization/128094] __builtin_dynamic_object_size returns 0 for container_of through a char * lightofmysoul at gmail dot com via Gcc-bugs
• 2026/10/22 [Bug tree-optimization/128094] New: __builtin_dynamic_object_size returns 0 for container_of through a char * lightofmysoul at gmail dot com via Gcc-bugs
• 2026/10/22 [Bug fortran/128093] [17 Regression] pdt_bug9.f90 / pdt_bug10.f90 ICE after r17-5389-g40c4b9dcd9be3e iains at gcc dot gnu.org via Gcc-bugs
• 2026/10/22 [Bug c++/127386] Track which mem-initializers are done during constexpr construction jakub at gcc dot gnu.org via Gcc-bugs
• 2026/10/22 [Bug fortran/128093] New: [17 Regression] pdt_bug9.f90 / pdt_bug10.f90 ICE after r17-5389-g40c4b9dcd9be3e iains at gcc dot gnu.org via Gcc-bugs
• 2026/10/22 [Bug fortran/128067] valgrind error in load_needed(pointer_info*) (module.cc:5688) anlauf at gcc dot gnu.org via Gcc-bugs
• 2026/10/22 [Bug target/128091] New: Enable -fasynchronous-unwind-tables by default on sparc64 Linux stian at itx dot no via Gcc-bugs
• 2026/10/22 [Bug target/128091] Enable -fasynchronous-unwind-tables by default on sparc64 Linux stian at itx dot no via Gcc-bugs
• 2026/10/22 [Bug c++/127559] [OpenMP] ICE (incorrect sharing of tree nodes) with a lambda during GIMPLE pass: cfg tschwinge at gcc dot gnu.org via Gcc-bugs
• 2026/10/22 [Bug c++/101557] the value of '<temporary>' is not usable in a constant expression mpolacek at gcc dot gnu.org via Gcc-bugs
• 2026/10/22 [Bug libstdc++/118099] basic_filebuf::overflow leaves streambuf in inconsistent state on I/O error. redi at gcc dot gnu.org via Gcc-bugs
• 2026/10/22 [Bug c++/99622] Materialized temporary is not usable in a constant expression mpolacek at gcc dot gnu.org via Gcc-bugs
• 2026/10/22 [Bug ada/128044] [16/17 regression] fully qualified name wrongly resolved in instance of generic child cvs-commit at gcc dot gnu.org via Gcc-bugs
• 2026/10/22 [Bug ada/128044] [16/17 regression] fully qualified name wrongly resolved in instance of generic child ebotcazou at gcc dot gnu.org via Gcc-bugs
• 2026/10/22 [Bug tree-optimization/128045] Match pattern for `convert semantics of round(x) function to floor(x+0.5)` can be simplified cvs-commit at gcc dot gnu.org via Gcc-bugs
• 2026/10/22 [Bug ada/128044] [16/17 regression] fully qualified name wrongly resolved in instance of generic child cvs-commit at gcc dot gnu.org via Gcc-bugs
• 2026/10/22 [Bug tree-optimization/128045] Match pattern for `convert semantics of round(x) function to floor(x+0.5)` can be simplified pinskia at gcc dot gnu.org via Gcc-bugs
• 2026/10/22 [Bug tree-optimization/128045] Match pattern for `convert semantics of round(x) function to floor(x+0.5)` can be simplified pinskia at gcc dot gnu.org via Gcc-bugs
• 2026/10/22 [Bug target/128091] Enable -fasynchronous-unwind-tables by default on sparc64 Linux ebotcazou at gcc dot gnu.org via Gcc-bugs
• 2026/10/22 [Bug ipa/128092] New: [15/16/17 Regression] wrong code at -O2: IPA bit-CP through a MAX_EXPR pass-through removes a loop adamant.pwn at gmail dot com via Gcc-bugs
• 2026/10/22 [Bug testsuite/126082] arm_fp16_no_nocache target broken clyon at gcc dot gnu.org via Gcc-bugs
• 2026/10/22 [Bug rtl-optimization/128063] `op0 != 0 ? op0 & op1 : 0` can be optimized to just `op0 & op1` in RTL pinskia at gcc dot gnu.org via Gcc-bugs
• 2026/10/22 [Bug testsuite/126082] arm_fp16_no_nocache target broken cvs-commit at gcc dot gnu.org via Gcc-bugs
• 2026/10/22 [Bug testsuite/126082] arm_fp16_no_nocache target broken cvs-commit at gcc dot gnu.org via Gcc-bugs
• 2026/10/22 [Bug target/128090] [ARM] -g -fno-var-tracking changes forced minipool barrier placement rearnsha at gcc dot gnu.org via Gcc-bugs
• 2026/10/22 Quick question about Clear Choice Technical Services of New York leah--- via Gcc-bugs
• 2026/10/22 [Bug tree-optimization/128074] [16/17 Regression] wrong code at -O3 for a self-recursive call that passes a struct to a const struct parameter jmelcr at gcc dot gnu.org via Gcc-bugs
• 2026/10/22 [Bug middle-end/108300] `abort()` macro cause bootstrap failure on *-w64-mingw32 cvs-commit at gcc dot gnu.org via Gcc-bugs
• 2026/10/22 [Bug middle-end/108300] `abort()` macro cause bootstrap failure on *-w64-mingw32 cvs-commit at gcc dot gnu.org via Gcc-bugs
• 2026/10/22 [Bug libstdc++/118099] basic_filebuf::overflow leaves streambuf in inconsistent state on I/O error. redi at gcc dot gnu.org via Gcc-bugs
• 2026/10/22 [Bug c++/124312] [reflection] vector<meta::info> unusable in consteval context with _GLIBCXX_DEBUG=1 redi at gcc dot gnu.org via Gcc-bugs
• 2026/10/22 [Bug libstdc++/118099] basic_filebuf::overflow leaves streambuf in inconsistent state on I/O error. daniel.grunwald at gmail dot com via Gcc-bugs
• 2026/10/22 [Bug tree-optimization/125390] [17 Regression][RISCV][RVV] ICE in cc1 during tree loop vectorization with -march=rv64gcv_zvl256b at -O2/-O3 cvs-commit at gcc dot gnu.org via Gcc-bugs
• 2026/10/22 [Bug tree-optimization/121908] Hot loop in xz not vectorized cvs-commit at gcc dot gnu.org via Gcc-bugs
• 2026/10/22 [Bug fortran/82173] [meta-bug] [PDT] Parameterized derived type errors cvs-commit at gcc dot gnu.org via Gcc-bugs
• 2026/10/22 [Bug target/128090] New: [ARM] -g -fno-var-tracking changes forced minipool barrier placement yqtian668 at gmail dot com via Gcc-bugs
• 2026/10/22 [Bug c++/128084] internal compiler error with template lambda and coroutine Patrick.Nicolas at arteris dot com via Gcc-bugs
• 2026/10/22 [Bug ipa/128085] New: [11/12/13/14/15/16/17 Regression] wrong code at -O2 destroying an object with an anonymous-namespace virtual base; -fno-ipa-modref avoids it yqtian668 at gmail dot com via Gcc-bugs
• 2026/10/22 [Bug ipa/128086] [14/15/16/17 Regression] virtual call in constructor with virtual bases folded to __builtin_unreachable at -O2 jakub at gcc dot gnu.org via Gcc-bugs
• 2026/10/22 [Bug fortran/128087] New: valgrind error in vptr_field_get(tree_node*, int) (trans-expr.cc:334) dcb314 at hotmail dot com via Gcc-bugs
• 2026/10/22 [Bug c++/128084] internal compiler error with template lambda and coroutine Patrick.Nicolas at arteris dot com via Gcc-bugs
• 2026/10/22 [Bug tree-optimization/128089] New: Wrong code for nested floating-point division in reassoc with -ffast-math -fno-reciprocal-math xingyushuai at hygon dot cn via Gcc-bugs
• 2026/10/22 [Bug c++/128088] New: Member with consteval ctor rejected jakub at gcc dot gnu.org via Gcc-bugs
• 2026/10/22 [Bug ipa/128086] New: [5/6/7/8/9/10/11/12/13/14/15/16/17 Regression] virtual call in constructor with virtual bases folded to __builtin_unreachable at -O2 yqtian668 at gmail dot com via Gcc-bugs
• 2026/10/22 [Bug target/128083] i386: Remove outdated diagnostics messages from GCC 4.x redi at gcc dot gnu.org via Gcc-bugs
• 2026/10/22 [Bug c++/128084] New: internal compiler error with template lambda and coroutine Patrick.Nicolas at arteris dot com via Gcc-bugs
• 2026/10/22 [Bug target/128083] New: i386: Remove outdated diagnostics messages from GCC 4.x dragon-archer at outlook dot com via Gcc-bugs
• 2026/10/22 [Bug ipa/128077] wrong code at -O2/-O3 when default-ISA code calls a static target("avx2") function through vector pointers liuhongt at gcc dot gnu.org via Gcc-bugs
• 2026/10/21 [Bug tree-optimization/128082] New: Compile-time hog in fre1 at -O2 on a loop header with many latch edges (switch dispatch loop) lyfanyang at smail dot nju.edu.cn via Gcc-bugs
• 2026/10/21 [Bug target/119468] PPCLE: Inefficient implementation of __builtin_parityll cvs-commit at gcc dot gnu.org via Gcc-bugs
• 2026/10/21 [Bug bootstrap/127954] Configuring with non-default location of GMP only fails to build quite late in the process sjames at gcc dot gnu.org via Gcc-bugs
• 2026/10/21 [Bug bootstrap/90655] make install fails with empty DESTDIR on cygwin sjames at gcc dot gnu.org via Gcc-bugs
• 2026/10/21 [Bug target/126000] [x86] Missed optimization: use EVEX encoding with compressed disp8 (disp8*N) instead of VEX+disp32 liuhongt at gcc dot gnu.org via Gcc-bugs
• 2026/10/21 [Bug bootstrap/56259] GCC's configure script has a hard-coded setting of 'with_gmp' for FreeBSD nightstrike at gmail dot com via Gcc-bugs
• 2026/10/21 [Bug tree-optimization/128081] New: [17 Regression] Incorrect code (?) after folding pow (-Inf, 0.5) law at gcc dot gnu.org via Gcc-bugs
• 2026/10/21 [Bug bootstrap/90655] make install fails with empty DESTDIR on cygwin nightstrike at gmail dot com via Gcc-bugs
• 2026/10/21 [Bug rtl-optimization/123905] Failure to optimize away sign extension on RISC-V law at gcc dot gnu.org via Gcc-bugs
• 2026/10/21 [Bug tree-optimization/128080] [14/15/16/17 Regression] wrong code merging VEC_PERM_EXPRs when the merged indices do not fit the mask element type ishevlyakov at gcc dot gnu.org via Gcc-bugs
• 2026/10/21 [Bug tree-optimization/128080] [14/15/16/17 Regression] wrong code merging VEC_PERM_EXPRs when the merged indices do not fit the mask element type ishevlyakov at gcc dot gnu.org via Gcc-bugs
• 2026/10/21 [Bug rtl-optimization/123905] Failure to optimize away sign extension on RISC-V cvs-commit at gcc dot gnu.org via Gcc-bugs
• 2026/10/21 [Bug tree-optimization/128080] New: [14/15/16/17 Regression] wrong code merging VEC_PERM_EXPRs when the merged indices do not fit the mask element type ishevlyakov at gcc dot gnu.org via Gcc-bugs
• 2026/10/21 [Bug fortran/128079] New: Structure constructor of extended type loses dynamic type of inherited CLASS allocatable component ivan.pribec at gmail dot com via Gcc-bugs
• 2026/10/21 [Bug analyzer/126193] [17 Regression] openmp: Pass iteration count to static worksharing builtins for OMPT: 'c-c++-common/analyzer/omp-parallel-for-1.c' dave.anglin at bell dot net via Gcc-bugs
• 2026/10/21 [Bug algol68/127797] [17 Regression] internal compiler error: in fold_convert_loc, at fold-const.cc:2620 tschwinge at gcc dot gnu.org via Gcc-bugs
• 2026/10/21 [Bug tree-optimization/128070] -O3 cunrolli growth on many small loops, super-linear compile time and memory yuki.tanaka at defaultcase dot de via Gcc-bugs
• 2026/10/21 [Bug tree-optimization/128075] [14/15/16/17 regression] wrong code at -O1 and above when a nested function returns the address of a local of its containing function pinskia at gcc dot gnu.org via Gcc-bugs
• 2026/10/21 [Bug tree-optimization/128078] New: wrong code at -O1, -O2 and -Os summing (long long) ((b + i) * s) in a loop with step 3 kyuwoncho18 at gmail dot com via Gcc-bugs
• 2026/10/21 [Bug tree-optimization/128053] [14/15/16/17 Regression] wrong code at -O2 and -O3 for a vectorized read of an unsigned bit-field that contains the sign bit of a union's int member rguenth at gcc dot gnu.org via Gcc-bugs
• 2026/10/21 [Bug tree-optimization/128075] wrong code at -O1 and above when a nested function returns the address of a local of its containing function pinskia at gcc dot gnu.org via Gcc-bugs
• 2026/10/21 [Bug rtl-optimization/127142] In function ‘trdos_insert_boot_loader’: error: unable to find a register to spill cvs-commit at gcc dot gnu.org via Gcc-bugs
• 2026/10/21 [Bug analyzer/126193] [17 Regression] openmp: Pass iteration count to static worksharing builtins for OMPT: 'c-c++-common/analyzer/omp-parallel-for-1.c' tschwinge at gcc dot gnu.org via Gcc-bugs

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