gcc-bugs  

Messages by Date

• 2026/10/15 [Bug c++/127559] [OpenMP] ICE (incorrect sharing of tree nodes) with a lambda during GIMPLE pass: cfg jakub at gcc dot gnu.org via Gcc-bugs
• 2026/10/15 [Bug tree-optimization/127760] [15/16/17 Regression] wrong code emitted on almost-SAT_ADD code ktkachov at gcc dot gnu.org via Gcc-bugs
• 2026/10/15 [Bug fortran/127892] valgrind error in gfc_simplify_expr(gfc_expr*, int) (expr.cc:2531) anlauf at gcc dot gnu.org via Gcc-bugs
• 2026/10/15 [Bug libfortran/127846] MINLOC/MAXLOC with MASK and BACK=.true. ignore the mask federico.perini at gmail dot com via Gcc-bugs
• 2026/10/15 [Bug middle-end/126952] [17 Regression] build fails with --enable-checking=release: gimple-ssa-warn-access.cc:26 ... may be used uninitialized [-Werror=maybe-uninitialized] since r17-3330 dragon-archer at outlook dot com via Gcc-bugs
• 2026/10/15 [Bug libfortran/127845] FINDLOC with DIM and MASK returns wrong results cvs-commit at gcc dot gnu.org via Gcc-bugs
• 2026/10/15 [Bug fortran/127683] ICE with out-of-order declaration and ASSOCIATE cvs-commit at gcc dot gnu.org via Gcc-bugs
• 2026/10/15 [Bug libfortran/127846] MINLOC/MAXLOC with MASK and BACK=.true. ignore the mask cvs-commit at gcc dot gnu.org via Gcc-bugs
• 2026/10/15 [Bug target/127908] RISC-V: inline ceil/floor/trunc raises FE_INVALID for inf & large values (fcvt speculated above the range check) pinskia at gcc dot gnu.org via Gcc-bugs
• 2026/10/15 [Bug rtl-optimization/127903] simplify-rtx: bit-cast of an unordered vector comparison is folded to a constant zero sjames at gcc dot gnu.org via Gcc-bugs
• 2026/10/15 [Bug rtl-optimization/127903] simplify-rtx: bit-cast of an unordered vector comparison is folded to a constant zero igor at tachyum dot com via Gcc-bugs
• 2026/10/15 [Bug bootstrap/127914] Bootstrap on FreeBSD dies with libiberty issue redi at gcc dot gnu.org via Gcc-bugs
• 2026/10/15 [Bug bootstrap/112422] Build process does a redundant number of checks ? cvs-commit at gcc dot gnu.org via Gcc-bugs
• 2026/10/15 [Bug libstdc++/127540] std::swap(i, i) with debug iterators aborts fdumont at gcc dot gnu.org via Gcc-bugs
• 2026/10/15 [Bug preprocessor/127906] internal compiler error: in paste_all_tokens with invalid macro and #embed pinskia at gcc dot gnu.org via Gcc-bugs
• 2026/10/15 [Bug bootstrap/127914] New: Bootstrap on FreeBSD dies with libiberty issue kargl at gcc dot gnu.org via Gcc-bugs
• 2026/10/15 [Bug tree-optimization/127912] New: [x86-64] GCC fails to vectorize a reverse loop with a conditional store bug_hunters at yeah dot net via Gcc-bugs
• 2026/10/15 [Bug tree-optimization/127916] New: [15/16/17 Regression] wrong code emitted on almost-SAT_ADD code (edit) law at gcc dot gnu.org via Gcc-bugs
• 2026/10/15 [Bug tree-optimization/127913] Unnecessary 128-bit arithmetic in ranges::lower_bound over a bounded iota_view jakub at gcc dot gnu.org via Gcc-bugs
• 2026/10/15 [Bug bootstrap/127914] Bootstrap on FreeBSD dies with libiberty issue kargl at gcc dot gnu.org via Gcc-bugs
• 2026/10/15 [Bug bootstrap/127914] Bootstrap on FreeBSD dies with libiberty issue kargl at gcc dot gnu.org via Gcc-bugs
• 2026/10/15 [Bug tree-optimization/127760] [15/16/17 Regression] wrong code emitted on almost-SAT_ADD code law at gcc dot gnu.org via Gcc-bugs
• 2026/10/15 [Bug bootstrap/112422] Build process does a redundant number of checks ? cvs-commit at gcc dot gnu.org via Gcc-bugs
• 2026/10/15 [Bug tree-optimization/127913] Unnecessary 128-bit arithmetic in ranges::lower_bound over a bounded iota_view pinskia at gcc dot gnu.org via Gcc-bugs
• 2026/10/15 [Bug ada/126321] inconsistent resolution of operator taking nonlocal subtype of Integer ebotcazou at gcc dot gnu.org via Gcc-bugs
• 2026/10/15 [Bug tree-optimization/127915] New: When `a <= b` and `b <= CST` then `b - a` is known to have a range of [0, CST] (for unsigned) pinskia at gcc dot gnu.org via Gcc-bugs
• 2026/10/15 [Bug tree-optimization/126988] [17 Regression] ICE on valid code at -O{2,3} with "-fno-vect-cost-model -fno-tree-sra" on x86_64-linux-gnu: in check_loop_closed_ssa_def, at tree-ssa-loop-manip.cc:664 zhendong.su at inf dot ethz.ch via Gcc-bugs
• 2026/10/15 [Bug fortran/110421] internal compiler error: in gfc_get_symbol_decl, at fortran/trans-decl.cc:1548 cvs-commit at gcc dot gnu.org via Gcc-bugs
• 2026/10/15 [Bug bootstrap/127914] Bootstrap on FreeBSD dies with libiberty issue kargl at gcc dot gnu.org via Gcc-bugs
• 2026/10/15 [Bug c++/127559] [OpenMP] ICE (incorrect sharing of tree nodes) with a lambda during GIMPLE pass: cfg jakub at gcc dot gnu.org via Gcc-bugs
• 2026/10/15 [Bug c++/127559] [OpenMP] ICE (incorrect sharing of tree nodes) with a lambda during GIMPLE pass: cfg jakub at gcc dot gnu.org via Gcc-bugs
• 2026/10/15 [Bug tree-optimization/127913] New: Unnecessary 128-bit arithmetic in ranges::lower_bound over a bounded iota_view adamant.pwn at gmail dot com via Gcc-bugs
• 2026/10/15 [Bug target/125640] MAX(x, -1) can use orr with ash operand pinskia at gcc dot gnu.org via Gcc-bugs
• 2026/10/15 [Bug c++/127559] [OpenMP] ICE (incorrect sharing of tree nodes) with a lambda during GIMPLE pass: cfg jakub at gcc dot gnu.org via Gcc-bugs
• 2026/10/15 [Bug rtl-optimization/127900] [X86_64] Missed generating mulx when bmi2 is available ubizjak at gmail dot com via Gcc-bugs
• 2026/10/15 [Bug c++/127505] [14/15/16/17 Regression] ICE in set_identifier_type_value_with_scope, at cp/name-lookup.cc simartin at gcc dot gnu.org via Gcc-bugs
• 2026/10/15 [Bug target/125640] MAX(x, -1) can use orr with ash operand rearnsha at gcc dot gnu.org via Gcc-bugs
• 2026/10/15 [Bug c++/127911] New: ICE in set_contract_capture_flag, at cp/semantics.cc s.kimura.h41104 at gmail dot com via Gcc-bugs
• 2026/10/15 [Bug rtl-optimization/127900] [X86_64] Missed generating mulx when bmi2 is available vekumar at gcc dot gnu.org via Gcc-bugs
• 2026/10/15 [Bug testsuite/125126] [16/17 Regression] mv-symbols*.C and mvc-symbols*.C fail with --enable-default-pie sowmya.sathram at blackfigtech dot com via Gcc-bugs
• 2026/10/15 [Bug tree-optimization/127910] New: full O3 vectorizer cost model slows down SpecCPU'26 zstd andi-gcc at firstfloor dot org via Gcc-bugs
• 2026/10/15 [Bug tree-optimization/127909] New: Arm should detect sdot_prod and use smlad/smlald for 32/64 bit accumulation. rearnsha at gcc dot gnu.org via Gcc-bugs
• 2026/10/15 [Bug libfortran/127893] [14/15/16/17 regression] Severe libgfortran parallel-I/O performance regression on macOS since r14-6425 kay.diederichs--- via Gcc-bugs
• 2026/10/15 [Bug middle-end/127860] expand_vec_perm_const reduces the selector by the result length for a VEC_PERM_EXPR with wider inputs (latent wrong code) cvs-commit at gcc dot gnu.org via Gcc-bugs
• 2026/10/15 [Bug c++/127890] New: Analyzer regression: 'leak' false positive regression in 17.0.0 (trunk) gdr at gcc dot gnu.org via Gcc-bugs
• 2026/10/15 [Bug target/127908] RISC-V: inline ceil/floor/trunc raises FE_INVALID for inf & large values (fcvt speculated above the range check) oo.hehir at gmail dot com via Gcc-bugs
• 2026/10/15 [Bug testsuite/127278] [16,17] rs6000: gcc.target/powerpc/vec-msumc.c fails on ppc64 -m32 mmatti.gnu at gmail dot com via Gcc-bugs
• 2026/10/15 [Bug testsuite/125965] rs6000: Few Power10 big-endian tests fail due to endian-dependent expected values mmatti.gnu at gmail dot com via Gcc-bugs
• 2026/10/15 [Bug middle-end/28614] gcc.c-torture/compile/20001226-1.c times out tschwinge at gcc dot gnu.org via Gcc-bugs
• 2026/10/15 [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
• 2026/10/15 [Bug target/121688] F16C/AVX512F cvtph2ps and cvtps2ph not used on __builtin_convertvector cvs-commit at gcc dot gnu.org via Gcc-bugs
• 2026/10/15 [Bug target/127908] RISC-V: inline ceil/floor/trunc raises FE_INVALID for inf & large values (fcvt speculated above the range check) pinskia at gcc dot gnu.org via Gcc-bugs
• 2026/10/15 [Bug target/127908] New: RISC-V: inline ceil/floor/trunc raises FE_INVALID for inf & large values (fcvt speculated above the range check) oo.hehir at gmail dot com via Gcc-bugs
• 2026/10/15 [Bug libfortran/127845] FINDLOC with DIM and MASK returns wrong results federico.perini at gmail dot com via Gcc-bugs
• 2026/10/15 [Bug libfortran/127893] [14/15/16/17 regression] Severe libgfortran parallel-I/O performance regression on macOS since r14-6425 kay.diederichs--- via Gcc-bugs
• 2026/10/15 [Bug libstdc++/127815] std::chrono::time_zone::get_info throws for an instant before year::min() when the zone's first period follows a rule set redi at gcc dot gnu.org via Gcc-bugs
• 2026/10/15 [Bug libgomp/41418] Can't build libgomp without --enable-languages=fortran lh_mouse at 126 dot com via Gcc-bugs
• 2026/10/15 [Bug c++/127907] New: internal compiler error: in get_representative_path_var_1 at `-S -O2 -fanalyzer` 0599jiangyc at gmail dot com via Gcc-bugs
• 2026/10/15 [Bug target/127773] [x86] vzeroupper missing before call to IPA-RA-known non-AVX callee, causing SSE/AVX transition assists michiel.van.slobbe at gmail dot com via Gcc-bugs
• 2026/10/15 [Bug target/127897] [14/15/16/17 Regression] x86: set1 vector constants built with 2-3 instructions instead of a memory operand rguenth at gcc dot gnu.org via Gcc-bugs
• 2026/10/15 [Bug testsuite/127278] [16,17] rs6000: gcc.target/powerpc/vec-msumc.c fails on ppc64 -m32 cvs-commit at gcc dot gnu.org via Gcc-bugs
• 2026/10/15 [Bug fortran/127892] valgrind error in gfc_simplify_expr(gfc_expr*, int) (expr.cc:2531) anlauf at gcc dot gnu.org via Gcc-bugs
• 2026/10/15 [Bug c++/124502] [14/15/16/17 Regression] Segmentation fault on invalid namespace definition after anonymous inline namespace and enum redeclaration 0599jiangyc at gmail dot com via Gcc-bugs
• 2026/10/15 [Bug c++/127906] New: ice-on-invalid-code: internal compiler error: in paste_all_tokens, at libcpp/macro.cc 0599jiangyc at gmail dot com via Gcc-bugs
• 2026/10/15 [Bug rtl-optimization/127903] simplify-rtx: bit-cast of an unordered vector comparison is folded to a constant zero pinskia at gcc dot gnu.org via Gcc-bugs
• 2026/10/15 [Bug libstdc++/114354] std::shared_ptr constructor constraints are checked too late redi at gcc dot gnu.org via Gcc-bugs
• 2026/10/15 [Bug c++/122739] internal compiler error: crash at cp/pt.cc:30946 with template parameter pack constructor after error recovery 0599jiangyc at gmail dot com via Gcc-bugs
• 2026/10/15 [Bug c++/127842] ICE in fold_convert_const_int_from_real, at fold-const.cc 0599jiangyc at gmail dot com via Gcc-bugs
• 2026/10/15 [Bug c++/124515] ICE on invalid code 0599jiangyc at gmail dot com via Gcc-bugs
• 2026/10/15 [Bug c++/126201] [15/16/17 Regression] ICE in in resolve_typename_type, at cp/pt.cc:31112 0599jiangyc at gmail dot com via Gcc-bugs
• 2026/10/15 [Bug c++/126020] [16/17 Regression] ICE when instantiating a nested class template with a deduced non-static data member 0599jiangyc at gmail dot com via Gcc-bugs
• 2026/10/15 [Bug c++/125352] ICE for partial template specializations with template template parameters 0599jiangyc at gmail dot com via Gcc-bugs
• 2026/10/15 [Bug c++/124815] ICE: unexpected expression 'N' of kind template_parm_index 0599jiangyc at gmail dot com via Gcc-bugs
• 2026/10/15 [Bug c++/122030] ICE when passing empty initializer list as NTTP 0599jiangyc at gmail dot com via Gcc-bugs
• 2026/10/15 [Bug target/125549] rs6000: Fix %Y modifier to handle VSX register numbering kishan at gcc dot gnu.org via Gcc-bugs
• 2026/10/15 [Bug tree-optimization/127905] New: Another wrong code with BitInt ktkachov at gcc dot gnu.org via Gcc-bugs
• 2026/10/15 [Bug c++/121826] ICE on less constrainted partial specialization with auto type deduction 0599jiangyc at gmail dot com via Gcc-bugs
• 2026/10/15 [Bug target/122535] PowerPC: --with-long-double-64 ignored during configure kishan at gcc dot gnu.org via Gcc-bugs
• 2026/10/15 [Bug rtl-optimization/123055] FAIL: gcc.target/powerpc/pr116030.c starting from - r16-5947-ga6c50ec2c6ebcb kishan at gcc dot gnu.org via Gcc-bugs
• 2026/10/15 [Bug middle-end/127882] VEC_PERM_EXPR merge through VIEW_CONVERT_EXPR queries the wrong modes and merges into an unsupported permute cvs-commit at gcc dot gnu.org via Gcc-bugs
• 2026/10/15 [Bug libstdc++/114336] Manual should document implementation-defined behaviour in C++20 and C++23 redi at gcc dot gnu.org via Gcc-bugs
• 2026/10/15 [Bug tree-optimization/127904] New: [14/15/16/17 Regression] Wrong code with BitInt ktkachov at gcc dot gnu.org via Gcc-bugs
• 2026/10/15 [Bug rtl-optimization/127903] New: simplify-rtx: bit-cast of an unordered vector comparison is folded to a constant zero guojie at loongson dot cn via Gcc-bugs
• 2026/10/15 [Bug libstdc++/115955] atomic<T>::wait _S_for uses a poor hash function redi at gcc dot gnu.org via Gcc-bugs
• 2026/10/15 [Bug tree-optimization/127902] clang warning -Wsometimes-uninitialized for tree-ssa-forwprop.cc:3526: rguenth at gcc dot gnu.org via Gcc-bugs
• 2026/10/15 [Bug rtl-optimization/127900] [X86_64] Missed generating mulx when bmi2 is available rguenth at gcc dot gnu.org via Gcc-bugs
• 2026/10/15 [Bug tree-optimization/127899] [14/15/16/17 Regression] ICE in gimplify_size_expressions for __builtin_dynamic_objec t_size type 2 at a negative offset rguenth at gcc dot gnu.org via Gcc-bugs
• 2026/10/15 [Bug libstdc++/114336] Manual should document implementation-defined behaviour in C++20 and C++23 redi at gcc dot gnu.org via Gcc-bugs
• 2026/10/15 [Bug middle-end/109832] [14/15/16/17 Regression] aarch64: Inefficient code for logical or of two booleans due to ccmp expansion cvs-commit at gcc dot gnu.org via Gcc-bugs
• 2026/10/15 [Bug ada/127880] GNAT BUG DETECTED instantiating generic ebotcazou at gcc dot gnu.org via Gcc-bugs
• 2026/10/15 [Bug c/127740] `__atomic_store_n (&v, f + 1, ...)` with a `_Float16` operand into an integer object: ICE in `c_fully_fold_internal` (c-fold.cc:677, `EXCESS_PRECISION_EXPR`) liuhongt at gcc dot gnu.org via Gcc-bugs
• 2026/10/15 [Bug tree-optimization/127902] clang warning -Wsometimes-uninitialized for tree-ssa-forwprop.cc:3526: pinskia at gcc dot gnu.org via Gcc-bugs
• 2026/10/15 [Bug fortran/127901] New: valgrind error in gfc_trans_concurrent_locality_spec:trans-stmt.cc:5303 dcb314 at hotmail dot com via Gcc-bugs
• 2026/10/15 [Bug c/127902] clang warning -Wsometimes-uninitialized for tree-ssa-forwprop.cc:3526: pinskia at gcc dot gnu.org via Gcc-bugs
• 2026/10/14 [Bug c/127902] New: clang warning -Wsometimes-uninitialized for tree-ssa-forwprop.cc:3526: dcb314 at hotmail dot com via Gcc-bugs
• 2026/10/14 [Bug target/127897] New: [12/13/14/15/16/17 Regression] x86: set1 vector constants built with 2-3 instructions instead of a memory operand mathemagician.ut at gmail dot com via Gcc-bugs
• 2026/10/14 [Bug target/127227] [arm] out-of-range negative literal pool reference for Neon vldr (*neon_movv2si alternative 4) cvs-commit at gcc dot gnu.org via Gcc-bugs
• 2026/10/14 [Bug target/127883] x86-64: unnecessary zero-extension after byte extraction ubizjak at gmail dot com via Gcc-bugs
• 2026/10/14 [Bug libstdc++/124370] [14/15/16 Regression] Out-of-bounds write for wistream >> bitset cvs-commit at gcc dot gnu.org via Gcc-bugs
• 2026/10/14 [Bug target/127883] x86-64: unnecessary zero-extension after byte extraction cvs-commit at gcc dot gnu.org via Gcc-bugs
• 2026/10/14 [Bug rtl-optimization/127900] [X86_64] Missed generating mulx when bmi2 is available liuhongt at gcc dot gnu.org via Gcc-bugs
• 2026/10/14 [Bug target/127649] wrong code at -O{2,3} loses FE_INVALID on a quiet NaN vectorization cvs-commit at gcc dot gnu.org via Gcc-bugs
• 2026/10/14 [Bug tree-optimization/127452] [17 Regression] forwprop generates 128bit multiplication even if not supported by the target since r17-3437 vekumar at gcc dot gnu.org via Gcc-bugs
• 2026/10/14 [Bug rtl-optimization/127900] New: [X86_64] Missed generating mulx when bmi2 is available vekumar at gcc dot gnu.org via Gcc-bugs
• 2026/10/14 [Bug tree-optimization/127452] [17 Regression] forwprop generates 128bit multiplication even if not supported by the target since r17-3437 liuhongt at gcc dot gnu.org via Gcc-bugs
• 2026/10/14 [Bug tree-optimization/127849] different vectorization of AND reduction for a single-bit set initial value rguenth at gcc dot gnu.org via Gcc-bugs
• 2026/10/14 [Bug c/127898] Incorrect -Wsequence-point warning when incrementing an index used by the counted_by attribute after reallocation collin.funk1 at gmail dot com via Gcc-bugs
• 2026/10/14 [Bug tree-optimization/127899] [14/15/16/17 Regression] ICE in gimplify_size_expressions for __builtin_dynamic_objec t_size type 2 at a negative offset pinskia at gcc dot gnu.org via Gcc-bugs
• 2026/10/14 [Bug tree-optimization/127899] New: [14/15/16/17 Regression] ICE in gimplify_size_expressions for __builtin_dynamic_objec t_size type 2 at a negative offset kees at outflux dot net via Gcc-bugs
• 2026/10/14 [Bug libfortran/127846] MINLOC/MAXLOC with MASK and BACK=.true. ignore the mask cvs-commit at gcc dot gnu.org via Gcc-bugs
• 2026/10/14 [Bug rtl-optimization/127726] -fcompare-debug failure when debug insns consume the generic delay-slot live-search budget cvs-commit at gcc dot gnu.org via Gcc-bugs
• 2026/10/14 [Bug c/127898] New: Incorrect -Wsequence-point warning when incrementing an index used by the counted_by attribute after reallocation collin.funk1 at gmail dot com via Gcc-bugs
• 2026/10/14 [Bug c/127898] Incorrect -Wsequence-point warning when incrementing an index used by the counted_by attribute after reallocation pinskia at gcc dot gnu.org via Gcc-bugs
• 2026/10/14 [Bug target/127897] [14/15/16/17 Regression] x86: set1 vector constants built with 2-3 instructions instead of a memory operand pinskia at gcc dot gnu.org via Gcc-bugs
• 2026/10/14 [Bug fortran/110421] internal compiler error: in gfc_get_symbol_decl, at fortran/trans-decl.cc:1548 cvs-commit at gcc dot gnu.org via Gcc-bugs
• 2026/10/14 [Bug target/127885] [17 Regression] SLP vectorization not done for profitable cases after r17-4622 pinskia at gcc dot gnu.org via Gcc-bugs
• 2026/10/14 [Bug fortran/110421] internal compiler error: in gfc_get_symbol_decl, at fortran/trans-decl.cc:1548 cvs-commit at gcc dot gnu.org via Gcc-bugs
• 2026/10/14 [Bug analyzer/127896] New: -Wanalyzer-out-of-bounds false positives in Emacs array of size 5 eggert at cs dot ucla.edu via Gcc-bugs
• 2026/10/14 [Bug target/125151] C++26: strong symbol emitted for std::runtime_error copy ctor on MinGW (ODR violation) projecthsi at outlook dot com via Gcc-bugs
• 2026/10/14 [Bug c++/127894] constexpr evaluation of array scans: time and memory dominated by evaluator overhead pinskia at gcc dot gnu.org via Gcc-bugs
• 2026/10/14 [Bug target/127865] [17 Regression] RISC-V: redundant sext.w after AOP patches law at gcc dot gnu.org via Gcc-bugs
• 2026/10/14 [Bug ipa/127889] Excessive compile time at -O3: -fno-inline is 185x faster rguenth at gcc dot gnu.org via Gcc-bugs
• 2026/10/14 [Bug fortran/127892] valgrind error in gfc_simplify_expr(gfc_expr*, int) (expr.cc:2531) anlauf at gcc dot gnu.org via Gcc-bugs
• 2026/10/14 [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
• 2026/10/14 [Bug libstdc++/88322] Implement C++20 library features. redi at gcc dot gnu.org via Gcc-bugs
• 2026/10/14 [Bug libfortran/127893] [14/15/16/17 regression] Severe libgfortran parallel-I/O performance regression on macOS since r14-6425 kay.diederichs--- via Gcc-bugs
• 2026/10/14 [Bug fortran/127892] valgrind error in gfc_simplify_expr(gfc_expr*, int) (expr.cc:2531) anlauf at gcc dot gnu.org via Gcc-bugs
• 2026/10/14 [Bug target/127895] New: MSP430: devices.csv lookup fails when GCC is invoked via PATH emendoz at clemson dot edu via Gcc-bugs
• 2026/10/14 [Bug ada/114065] GNAT build with -D_TIME_BITS=64 -D_FILE_OFFSET_BITS=64 fails on 32-bit nicolas at debian dot org via Gcc-bugs
• 2026/10/14 [Bug libfortran/127893] [14/15/16/17 regression] Severe libgfortran parallel-I/O performance regression on macOS since r14-6425 kay.diederichs--- via Gcc-bugs
• 2026/10/14 [Bug libstdc++/127757] [16 Regression] atomic<T>::notify_all() can miss a futex waiter: waiter-count check is not ordered after the caller's store cvs-commit at gcc dot gnu.org via Gcc-bugs
• 2026/10/14 [Bug libfortran/127893] [14/15/16/17 regression] Severe libgfortran parallel-I/O performance regression on macOS since r14-6425 kay.diederichs--- via Gcc-bugs
• 2026/10/14 [Bug libfortran/127845] FINDLOC with DIM and MASK returns wrong results cvs-commit at gcc dot gnu.org via Gcc-bugs
• 2026/10/14 [Bug fortran/127683] ICE with out-of-order declaration and ASSOCIATE cvs-commit at gcc dot gnu.org via Gcc-bugs
• 2026/10/14 [Bug tree-optimization/110335] int converted to double should be considered non-nan and non-nan*non-nan is still non-nan pinskia at gcc dot gnu.org via Gcc-bugs
• 2026/10/14 [Bug bootstrap/127632] [17 Regression] Bootstrap failure on PowerPC avinashd at gcc dot gnu.org via Gcc-bugs
• 2026/10/14 [Bug libstdc++/124370] [14/15 Regression] Out-of-bounds write for wistream >> bitset redi at gcc dot gnu.org via Gcc-bugs
• 2026/10/14 [Bug libstdc++/127757] [16 Regression] atomic<T>::notify_all() can miss a futex waiter: waiter-count check is not ordered after the caller's store redi at gcc dot gnu.org via Gcc-bugs
• 2026/10/14 [Bug libstdc++/115955] atomic<T>::wait _S_for uses a poor hash function cvs-commit at gcc dot gnu.org via Gcc-bugs
• 2026/10/14 [Bug c++/103303] compiler have trouble to point to the correct destructor address while for large align objects with complex inheritance while destructing object illia.polishchuk at thalesgroup dot com via Gcc-bugs
• 2026/10/14 [Bug c++/127894] New: constexpr evaluation of array scans: time and memory dominated by evaluator overhead bakiev at elemer dot ru via Gcc-bugs
• 2026/10/14 [Bug rtl-optimization/127726] -fcompare-debug failure when debug insns consume the generic delay-slot live-search budget sjames at gcc dot gnu.org via Gcc-bugs
• 2026/10/14 [Bug rtl-optimization/127889] Excessive compile time at -O3: -fno-inline is 185x faster rguenth at gcc dot gnu.org via Gcc-bugs
• 2026/10/14 [Bug target/127883] x86-64: unnecessary zero-extension after byte extraction ubizjak at gmail dot com via Gcc-bugs
• 2026/10/14 [Bug libfortran/127893] [14/15/16/17 regression] Severe libgfortran parallel-I/O performance regression on macOS/Apple Silicon between GCC 13 and GCC 14 pinskia at gcc dot gnu.org via Gcc-bugs
• 2026/10/14 [Bug libfortran/127893] [14/15/16/17 regression] Severe libgfortran parallel-I/O performance regression on macOS since r14-6425 pinskia at gcc dot gnu.org via Gcc-bugs
• 2026/10/14 [Bug c++/108013] `extern "C" int t = 1;` warns about being declared as extern and initialized lh_mouse at 126 dot com via Gcc-bugs
• 2026/10/14 [Bug libfortran/127893] [14/15/16/17 regression] Severe libgfortran parallel-I/O performance regression on macOS/Apple Silicon between GCC 13 and GCC 14 pinskia at gcc dot gnu.org via Gcc-bugs
• 2026/10/14 [Bug libfortran/127893] New: [14 regression] Severe libgfortran parallel-I/O performance regression on macOS/Apple Silicon between GCC 13 and GCC 14 kay.diederichs--- via Gcc-bugs
• 2026/10/14 [Bug analyzer/127891] Bogus analyzer diagnostic of uninitialized value for a `void`-returning function pinskia at gcc dot gnu.org via Gcc-bugs
• 2026/10/14 [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
• 2026/10/14 [Bug ada/127880] internal error on instantiation with postcondition on formal subprogram ebotcazou at gcc dot gnu.org via Gcc-bugs
• 2026/10/14 [Bug rtl-optimization/127889] Excessive compile time at -O3: -fno-inline is 185x faster rguenth at gcc dot gnu.org via Gcc-bugs
• 2026/10/14 [Bug tree-optimization/127853] x86 (non BMI): .CTZ(x, N) returns 32 when bsr insn result could be undefined sjames at gcc dot gnu.org via Gcc-bugs
• 2026/10/14 [Bug target/127885] New: r17-4622-gbbf9808d787eac disabled vectorizer hjl.tools at gmail dot com via Gcc-bugs
• 2026/10/14 [Bug ada/127880] internal error on instantiation with postcondition on formal subprogram cvs-commit at gcc dot gnu.org via Gcc-bugs
• 2026/10/14 [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
• 2026/10/14 [Bug fortran/127892] New: valgrind error in gfc_simplify_expr(gfc_expr*, int) (expr.cc:2531) dcb314 at hotmail dot com via Gcc-bugs
• 2026/10/14 [Bug rtl-optimization/127852] [16 Regression] simplify-rtx/combine can merge equal volatile accesses rguenth at gcc dot gnu.org via Gcc-bugs
• 2026/10/14 [Bug testsuite/127501] FAIL: gcc.dg/torture/pr127377.c execution test clyon at gcc dot gnu.org via Gcc-bugs
• 2026/10/14 [Bug target/127841] m68k: subdi_dishl32 emits memory-to-memory sub.l schwab--- via Gcc-bugs
• 2026/10/14 [Bug target/115010] m68k: invalid subl instruction generated schwab--- via Gcc-bugs
• 2026/10/14 [Bug rtl-optimization/93171] rldimi is sometimes not produced because combine gets in the way cvs-commit at gcc dot gnu.org via Gcc-bugs
• 2026/10/14 [Bug rtl-optimization/127726] -fcompare-debug failure when debug insns consume the generic delay-slot live-search budget law at gcc dot gnu.org via Gcc-bugs
• 2026/10/14 [Bug c++/127891] New: Bogus analyzer diagnostic of uninitialized value for a `void`-returning function gdr at gcc dot gnu.org via Gcc-bugs
• 2026/10/14 [Bug c++/127886] New: [miscompilation] gcc fails template argument deduction for a template template parameter pack and calls the fallback overload 0599jiangyc at gmail dot com via Gcc-bugs
• 2026/10/14 [Bug target/127883] x86-64: unnecessary zero-extension after byte extraction ubizjak at gmail dot com via Gcc-bugs
• 2026/10/14 [Bug rtl-optimization/127889] New: Excessive compile time at -O3: -fno-inline is 185x faster babendrissou at gmail dot com via Gcc-bugs
• 2026/10/14 [Bug testsuite/127501] FAIL: gcc.dg/torture/pr127377.c execution test dave.anglin at bell dot net via Gcc-bugs
• 2026/10/14 [Bug tree-optimization/127811] [17 Regression] ICE in vect_schedule_slp_node cvs-commit at gcc dot gnu.org via Gcc-bugs
• 2026/10/14 [Bug ada/114065] GNAT build with -D_TIME_BITS=64 -D_FILE_OFFSET_BITS=64 fails on 32-bit ebotcazou at gcc dot gnu.org via Gcc-bugs
• 2026/10/14 [Bug tree-optimization/127416] Bogus -Wformat-truncation for bounded %.*s with an offset into a constexpr array member cvs-commit at gcc dot gnu.org via Gcc-bugs
• 2026/10/14 [Bug tree-optimization/127416] Bogus -Wformat-truncation for bounded %.*s with an offset into a constexpr array member cvs-commit at gcc dot gnu.org via Gcc-bugs
• 2026/10/14 [Bug target/127885] r17-4622-gbbf9808d787eac disabled vectorizer rguenth at gcc dot gnu.org via Gcc-bugs
• 2026/10/14 [Bug tree-optimization/117821] ~(unsigned smaller type)var_type, the ~ should prop over the truncation (nop too) daniel.barboza at oss dot qualcomm.com via Gcc-bugs
• 2026/10/14 [Bug tree-optimization/127876] [14/15/16/17 Regression] Wrong code at -O3: conditional reduction to -0.0 returns +0.0 (CONST_COND_REDUCTION uses MAX_EXPR) cvs-commit at gcc dot gnu.org via Gcc-bugs
• 2026/10/14 [Bug ada/127880] internal error on instantiation with postcondition on formal subprogram cvs-commit at gcc dot gnu.org via Gcc-bugs
• 2026/10/14 [Bug ada/127880] internal error on instantiation with postcondition on formal subprogram ebotcazou at gcc dot gnu.org via Gcc-bugs
• 2026/10/14 [Bug ada/127880] internal error on instantiation with postcondition on formal subprogram cvs-commit at gcc dot gnu.org via Gcc-bugs
• 2026/10/14 [Bug ada/127880] internal error on instantiation with postcondition on formal subprogram cvs-commit at gcc dot gnu.org via Gcc-bugs
• 2026/10/14 [Bug tree-optimization/117821] ~(unsigned smaller type)var_type, the ~ should prop over the truncation (nop too) daniel.barboza at oss dot qualcomm.com via Gcc-bugs
• 2026/10/14 [Bug ada/127880] GNAT BUG DETECTED instantiating generic krischik at users dot sourceforge.net via Gcc-bugs
• 2026/10/14 [Bug libgomp/41418] Can't build libgomp without --enable-languages=fortran lh_mouse at 126 dot com via Gcc-bugs
• 2026/10/14 [Bug tree-optimization/127879] Improve fold_using_range::range_from_readonly_var for STRING_CSTs and RAW_DATA_CST jakub at gcc dot gnu.org via Gcc-bugs
• 2026/10/14 [Bug libgomp/41418] Can't build libgomp without --enable-languages=fortran tschwinge at gcc dot gnu.org via Gcc-bugs
• 2026/10/14 [Bug rtl-optimization/123055] FAIL: gcc.target/powerpc/pr116030.c starting from - r16-5947-ga6c50ec2c6ebcb cvs-commit at gcc dot gnu.org via Gcc-bugs
• 2026/10/14 [Bug target/127888] New: FAIL: gcc.target/powerpc/cpu-builtin-1.c starting with - r17-4772-g78589dab183ca6 kishan at gcc dot gnu.org via Gcc-bugs
• 2026/10/14 [Bug target/126245] [17 Regression] Improve conditional negate sequence for RISC-V (and others?) cvs-commit at gcc dot gnu.org via Gcc-bugs
• 2026/10/14 [Bug c++/127887] [miscompilation] GCC fails to match a friend declaration with its definition when the return type is `C<> auto` with a defaulted concept argument; friendship and access are lost pinskia at gcc dot gnu.org via Gcc-bugs
• 2026/10/14 [Bug c++/127887] New: [miscompilation] GCC fails to match a friend declaration with its definition when the return type is `C<> auto` with a defaulted concept argument; friendship and access are lost 0599jiangyc at gmail dot com via Gcc-bugs
• 2026/10/14 [Bug target/126555] [AArch64] wrong-code: SUBP used for subtraction of zero-extended 56-bit integers pinskia at gcc dot gnu.org via Gcc-bugs
• 2026/10/14 [Bug target/127773] [x86] vzeroupper missing before call to IPA-RA-known non-AVX callee, causing SSE/AVX transition assists cvs-commit at gcc dot gnu.org via Gcc-bugs
• 2026/10/13 [Bug target/126555] [AArch64] wrong-code: SUBP used for subtraction of zero-extended 56-bit integers kareem.h.omar at gmail dot com via Gcc-bugs
• 2026/10/13 [Bug tree-optimization/127853] [16 Regression] x86 (non BMI): .CTZ(x, N) returns 32 when bsr insn result could be undefined since r16-1202 jakub at gcc dot gnu.org via Gcc-bugs
• 2026/10/13 [Bug target/127885] r17-4622-gbbf9808d787eac disabled vectorizer rguenth at gcc dot gnu.org via Gcc-bugs
• 2026/10/13 [Bug middle-end/127882] VEC_PERM_EXPR merge through VIEW_CONVERT_EXPR queries the wrong modes and merges into an unsupported permute rguenth at gcc dot gnu.org via Gcc-bugs
• 2026/10/13 [Bug tree-optimization/127853] x86 (non BMI): .CTZ(x, N) returns 32 when bsr insn result could be undefined rguenth at gcc dot gnu.org via Gcc-bugs
• 2026/10/13 [Bug rtl-optimization/127852] [16 Regression] simplify-rtx/combine can merge equal volatile accesses sjames at gcc dot gnu.org via Gcc-bugs
• 2026/10/13 [Bug rtl-optimization/127852] [16 Regression] simplify-rtx/combine can merge equal volatile accesses vineetg at gcc dot gnu.org via Gcc-bugs
• 2026/10/13 [Bug rtl-optimization/127367] [15/16/17 Regression] RISC-V: wrong code for unsigned _BitInt(96) % sjames at gcc dot gnu.org via Gcc-bugs

• Earlier messages
• Later messages