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• 2026/10/07 [Bug c++/127754] [17 Regression] FAIL: g++.dg/tree-ssa/ssa-dse-1.C scan-tree-dump-times dse1 everywhere since r17-4750-ga382bed036aa5f pinskia at gcc dot gnu.org via Gcc-bugs
• 2026/10/07 [Bug tree-optimization/127760] [15/16/17 Regression] wrong code emitted on almost-SAT_ADD code pinskia at gcc dot gnu.org via Gcc-bugs
• 2026/10/07 [Bug tree-optimization/127760] New: [15/16/17 Regression] wrong code emitted on almost-SAT_ADD code gabravier at gmail dot com via Gcc-bugs
• 2026/10/07 [Bug c++/127749] [reflection] ICE from usage of std::meta::identifier_of in `if constexpr` in lambda-expression mpolacek at gcc dot gnu.org via Gcc-bugs
• 2026/10/07 [Bug tree-optimization/127416] Bogus -Wformat-truncation for bounded %.*s with an offset into a constexpr array member pinskia at gcc dot gnu.org via Gcc-bugs
• 2026/10/07 [Bug libstdc++/127757] [16/17 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
• 2026/10/07 [Bug c++/127749] [reflection] ICE from usage of std::meta::identifier_of in `if constexpr` in lambda-expression mpolacek at gcc dot gnu.org via Gcc-bugs
• 2026/10/07 [Bug analyzer/125265] FAIL: gcc.dg/analyzer/mkostemp-1.c test for warnings cvs-commit at gcc dot gnu.org via Gcc-bugs
• 2026/10/07 [Bug ada/127756] constrained protected subtype deallocation omits protected-object finalization ebotcazou at gcc dot gnu.org via Gcc-bugs
• 2026/10/07 [Bug ada/127756] constrained protected subtype deallocation omits protected-object finalization cvs-commit at gcc dot gnu.org via Gcc-bugs
• 2026/10/07 [Bug c/127624] ICE: segfault in record_locally_defined_typedef when -Wunused-local-typedefs is enabled by a diagnostic pragma inside the function body aryansharma24106 at gmail dot com via Gcc-bugs
• 2026/10/07 [Bug c++/122774] The compiler ICEs when compiling a file that mixes a module import with a traditional header include. jason at gcc dot gnu.org via Gcc-bugs
• 2026/10/07 [Bug c++/103524] [meta-bug] modules issue jason at gcc dot gnu.org via Gcc-bugs
• 2026/10/07 [Bug rtl-optimization/3507] appalling optimisation with sub/cmp on multiple targets ubizjak at gmail dot com via Gcc-bugs
• 2026/10/07 [Bug c++/122774] The compiler ICEs when compiling a file that mixes a module import with a traditional header include. cvs-commit at gcc dot gnu.org via Gcc-bugs
• 2026/10/07 [Bug c++/108080] ICE: in module.cc:core_vals with -fmodule-header and #pragma GCC target / optimize (shows up in fmt) jason at gcc dot gnu.org via Gcc-bugs
• 2026/10/07 [Bug target/126640] riscv: -mtune can introduce misaligned vectors. kito at gcc dot gnu.org via Gcc-bugs
• 2026/10/07 [Bug ada/126125] wild memory access for pragma Warnings (On|Off, "*") in configuration file ebotcazou at gcc dot gnu.org via Gcc-bugs
• 2026/10/07 [Bug c++/103524] [meta-bug] modules issue jason at gcc dot gnu.org via Gcc-bugs
• 2026/10/07 [Bug c++/114990] Compiler errors in <type_traits> compiling a module-based app jason at gcc dot gnu.org via Gcc-bugs
• 2026/10/07 [Bug c++/99000] [modules] merging of textual redefinitions: declaration std::__copy_move_a2 conflicts with import jason at gcc dot gnu.org via Gcc-bugs
• 2026/10/07 [Bug c++/127749] [reflection] ICE from usage of std::meta::identifier_of in `if constexpr` in lambda-expression mpolacek at gcc dot gnu.org via Gcc-bugs
• 2026/10/07 [Bug ada/127759] GNAT.Sockets C_Accept overwrites EAGAIN with EBADF on FreeBSD hodong at nimfsoft dot com via Gcc-bugs
• 2026/10/07 [Bug ada/127759] New: GNAT.Sockets C_Accept overwrites EAGAIN with EBADF on FreeBSD hodong at nimfsoft dot com via Gcc-bugs
• 2026/10/07 [Bug rtl-optimization/3507] appalling optimisation with sub/cmp on multiple targets ubizjak at gmail dot com via Gcc-bugs
• 2026/10/07 [Bug c++/99000] [modules] merging of textual redefinitions: declaration std::__copy_move_a2 conflicts with import cvs-commit at gcc dot gnu.org via Gcc-bugs
• 2026/10/07 [Bug libstdc++/127757] [16/17 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
• 2026/10/07 [Bug ada/126448] bogus warning on use clause for package whose subprogram is locally renamed ebotcazou at gcc dot gnu.org via Gcc-bugs
• 2026/10/07 [Bug tree-optimization/126904] backward threader: no path-sensitive load CSE (value numbering?) aldy at quesejoda dot com via Gcc-bugs
• 2026/10/07 [Bug tree-optimization/126562] [14/15/16/17 Regression] Invalid pow (x, 0.5) -> sqrt transformation when signed zeros or infinities are required cvs-commit at gcc dot gnu.org via Gcc-bugs
• 2026/10/07 [Bug tree-optimization/127758] New: [15 Regression] compile time hog in tree PTA with many global variables christian.klein at advantest dot com via Gcc-bugs
• 2026/10/07 [Bug target/127739] RISC-V: ICE in extract_constrain_insn, pred_widen_floatunsv2df (vfwcvt.f.xu.v) groche97 at gmail dot com via Gcc-bugs
• 2026/10/07 [Bug rtl-optimization/123055] FAIL: gcc.target/powerpc/pr116030.c starting from - r16-5947-ga6c50ec2c6ebcb jskumari at gcc dot gnu.org via Gcc-bugs
• 2026/10/07 [Bug testsuite/125060] PowerPC tests fold-vec-cmp-int128.c and pr103316.c started failing after r16-286-gd84fbc516ea57d cvs-commit at gcc dot gnu.org via Gcc-bugs
• 2026/10/07 [Bug tree-optimization/126459] [17 Regression] Wrong code with x != CST1 ? x + CST2 : CST3 fold due to overflow since r17-126 jakub at gcc dot gnu.org via Gcc-bugs
• 2026/10/07 [Bug libstdc++/127757] New: [16/17 Regression] atomic<T>::notify_all() can miss a futex waiter: waiter-count check is not ordered after the caller's store daniel.grunwald at gmail dot com via Gcc-bugs
• 2026/10/07 [Bug ada/127756] constrained protected subtype deallocation omits protected-object finalization ebotcazou at gcc dot gnu.org via Gcc-bugs
• 2026/10/07 [Bug c/127624] ICE: segfault in record_locally_defined_typedef when -Wunused-local-typedefs is enabled by a diagnostic pragma inside the function body aryansharma24106 at gmail dot com via Gcc-bugs
• 2026/10/07 [Bug c++/127235] C++20 rejects-valid with uninitialized member jakub at gcc dot gnu.org via Gcc-bugs
• 2026/10/07 [Bug tree-optimization/126459] [17 Regression] Wrong code with x != CST1 ? x + CST2 : CST3 fold due to overflow since r17-126 cvs-commit at gcc dot gnu.org via Gcc-bugs
• 2026/10/07 [Bug ada/127756] constrained protected subtype deallocation omits protected-object finalization ebotcazou at gcc dot gnu.org via Gcc-bugs
• 2026/10/07 [Bug ada/127756] constrained protected subtype deallocation omits protected-object finalization cvs-commit at gcc dot gnu.org via Gcc-bugs
• 2026/10/07 [Bug middle-end/127305] aarch64-elf: cplxlower -> bitintlower changes memory for _BitInt mul_overflow store kristerw at gcc dot gnu.org via Gcc-bugs
• 2026/10/07 [Bug target/127012] Missed LLVM's or disjoint detection to lea for X86 kaelfandrew at gmail dot com via Gcc-bugs
• 2026/10/07 [Bug c++/127750] [17 Regression] Lambda in polymorphic typeid operand mangled with wrong discriminator (undocumented ABI break vs 16) gabravier at gmail dot com via Gcc-bugs
• 2026/10/07 [Bug tree-optimization/127544] wrong fold of pow (-inf, 0.5) into sqrt with -fno-math-errno -fno-signed-zeros cvs-commit at gcc dot gnu.org via Gcc-bugs
• 2026/10/07 [Bug tree-optimization/108477] fwprop over-optimizes conversion from + to | cvs-commit at gcc dot gnu.org via Gcc-bugs
• 2026/10/07 [Bug rtl-optimization/126521] [14/15/16/17 Regression] Wrong RTL ifcvt with abs cvs-commit at gcc dot gnu.org via Gcc-bugs
• 2026/10/06 [Bug tree-optimization/86889] s390x gcc build fails when configured with --disable-checking stefansf at gcc dot gnu.org via Gcc-bugs
• 2026/10/06 [Bug c++/61597] Unexpected behavior at runtime herring at lanl dot gov via Gcc-bugs
• 2026/10/06 [Bug rtl-optimization/127726] -fcompare-debug failure when debug insns consume the generic delay-slot live-search budget yqtian668 at gmail dot com via Gcc-bugs
• 2026/10/06 [Bug ipa/127752] volatile member read of a never-written global dropped with -O2 yqtian668 at gmail dot com via Gcc-bugs
• 2026/10/06 [Bug ipa/127752] volatile member read of a never-written global dropped with -O2 yqtian668 at gmail dot com via Gcc-bugs
• 2026/10/06 [Bug rtl-optimization/127726] -fcompare-debug failure when debug insns consume the generic delay-slot live-search budget yqtian668 at gmail dot com via Gcc-bugs
• 2026/10/06 [Bug middle-end/127723] [vectorizer] Handle simdlen's 'scaled' modifier of OpenMP 'simd' / __simd__ attr for non-const simdlen (esp. for AArch64/RISC-V) cvs-commit at gcc dot gnu.org via Gcc-bugs
• 2026/10/06 [Bug c++/115806] [12/13/14/15 Regression] No error for member enum redefinition in class template (even after instantiation) cvs-commit at gcc dot gnu.org via Gcc-bugs
• 2026/10/06 [Bug c++/127627] What's the right overload resolution for ``public: X(const X&); private: explicit X(const X&) requires T::value = default;``? cvs-commit at gcc dot gnu.org via Gcc-bugs
• 2026/10/06 [Bug c++/127750] [17 Regression] Lambda in polymorphic typeid operand mangled with wrong discriminator (undocumented ABI break vs 16) vladislav.semykin at gmail dot com via Gcc-bugs
• 2026/10/06 [Bug ipa/127752] volatile member read of a never-written global dropped with -O2 pinskia at gcc dot gnu.org via Gcc-bugs
• 2026/10/06 [Bug ipa/127752] volatile member read of a never-written global dropped with -O2 pinskia at gcc dot gnu.org via Gcc-bugs
• 2026/10/06 [Bug ipa/127752] volatile member read of a never-written global dropped with -O2 pinskia at gcc dot gnu.org via Gcc-bugs
• 2026/10/06 [Bug target/126891] [PPC] ICE in copy_to_mode_reg for __builtin_set_fpscr_drn with variable argument jeevitha at gcc dot gnu.org via Gcc-bugs
• 2026/10/06 [Bug ipa/127752] volatile member read of a never-written global dropped with -O2 pinskia at gcc dot gnu.org via Gcc-bugs
• 2026/10/06 [Bug rtl-optimization/127726] -fcompare-debug failure when debug insns consume the generic delay-slot live-search budget yqtian668 at gmail dot com via Gcc-bugs
• 2026/10/06 [Bug fortran/127616] OpenMP map iterator wrong code sandra at gcc dot gnu.org via Gcc-bugs
• 2026/10/06 [Bug ipa/127752] volatile member read of a never-written global dropped with -O2 yqtian668 at gmail dot com via Gcc-bugs
• 2026/10/06 [Bug rtl-optimization/127726] -fcompare-debug failure when debug insns consume the generic delay-slot live-search budget yqtian668 at gmail dot com via Gcc-bugs
• 2026/10/06 [Bug ipa/127752] volatile member read of a never-written global dropped with -O2 yqtian668 at gmail dot com via Gcc-bugs
• 2026/10/06 [Bug target/117487] Power8 optimizations for math library aren't done in power9 or power10 (PR target/71977) meissner at gcc dot gnu.org via Gcc-bugs
• 2026/10/06 [Bug target/99293] Built-in vec_splat generates sub-optimal code for -mcpu=power10 meissner at gcc dot gnu.org via Gcc-bugs
• 2026/10/06 [Bug target/120528] Optimize zero extend to TImode when value is in a VSX register on power10 meissner at gcc dot gnu.org via Gcc-bugs
• 2026/10/06 [Bug target/120681] PowerPC GCC turns off pc-relative addressing on power10 when -mcmodel=large is used meissner at gcc dot gnu.org via Gcc-bugs
• 2026/10/06 [Bug ada/127756] constrained protected subtype deallocation omits protected-object finalization hodong at nimfsoft dot com via Gcc-bugs
• 2026/10/06 [Bug ada/127756] New: constrained protected subtype deallocation omits protected-object finalization hodong at nimfsoft dot com via Gcc-bugs
• 2026/10/06 [Bug middle-end/127752] New: [Regression] volatile member read of a never-written global dropped with -O2 -flto yqtian668 at gmail dot com via Gcc-bugs
• 2026/10/06 [Bug fortran/127755] New: Bogus compile errors for correct use of an EVENT_TYPE pointer component dobonachea at lbl dot gov via Gcc-bugs
• 2026/10/06 [Bug ipa/127752] volatile member read of a never-written global dropped with -O2 pinskia at gcc dot gnu.org via Gcc-bugs
• 2026/10/06 [Bug libfortran/127753] New: caf_shmem: shared memory object left in /dev/shm when the program is stopped by a signal jvdelisle at gcc dot gnu.org via Gcc-bugs
• 2026/10/06 [Bug ipa/127752] [Regression] volatile member read of a never-written global dropped with -O2 -flto pinskia at gcc dot gnu.org via Gcc-bugs
• 2026/10/06 [Bug c++/127754] [17 Regression] FAIL: g++.dg/tree-ssa/ssa-dse-1.C scan-tree-dump-times dse1 everywhere since r17-4750-ga382bed036aa5f sjames at gcc dot gnu.org via Gcc-bugs
• 2026/10/06 [Bug c++/127754] New: [17 Regression] FAIL: g++.dg/tree-ssa/ssa-dse-1.C scan-tree-dump-times dse1 everywhere since r17-4750-ga382bed036aa5f hp at gcc dot gnu.org via Gcc-bugs
• 2026/10/06 [Bug libfortran/127738] caf_shmem: FORM TEAM id collision, segfault on pool exhaustion, leaked shared memory jvdelisle at gcc dot gnu.org via Gcc-bugs
• 2026/10/06 [Bug libfortran/127751] New: ALLOCATE (stat=) of a coarray does not report an exhausted shared memory pool jvdelisle at gcc dot gnu.org via Gcc-bugs
• 2026/10/06 [Bug target/126744] [17 regression] -Wodr in aarch64 backend sjames at gcc dot gnu.org via Gcc-bugs
• 2026/10/06 [Bug c++/127750] New: [17 Regression] Lambda in polymorphic typeid operand mangled with wrong discriminator (undocumented ABI break vs 16) gabravier at gmail dot com via Gcc-bugs
• 2026/10/06 [Bug libstdc++/125648] std::simd::partial_load produces incorrect result ulf.iversen at gmail dot com via Gcc-bugs
• 2026/10/06 [Bug libfortran/127684] caf_shmem: SYNC IMAGES hangs when an image in the image set stops or fails cvs-commit at gcc dot gnu.org via Gcc-bugs
• 2026/10/06 [Bug c++/127573] [17 Regression] [c++23] ICE: unexpected expression of kind implicit_conv_expr with constexpr std::array of std::string_view in lambda inside a template iains at gcc dot gnu.org via Gcc-bugs
• 2026/10/06 [Bug c++/127749] New: ICE from usage of std::meta::identifier_of in `if constexpr` in lambda-expression irvsrc at gmail dot com via Gcc-bugs
• 2026/10/06 [Bug ipa/127693] [14/15/16 Regression] __builtin_constant_p vs IPA SRA and inlining thiago at kde dot org via Gcc-bugs
• 2026/10/06 [Bug ipa/127693] [14/15/16 Regression] __builtin_constant_p vs IPA SRA and inlining thiago at kde dot org via Gcc-bugs
• 2026/10/06 [Bug tree-optimization/127748] New: [17 Regression] wrong code with popcnt emitted on almost-Hacker's Delight popcnt pattern gabravier at gmail dot com via Gcc-bugs
• 2026/10/06 [Bug ipa/127693] [14/15/16 Regression] __builtin_constant_p vs IPA SRA and inlining thiago at kde dot org via Gcc-bugs
• 2026/10/06 [Bug c++/123615] (c++-reflection) - [meta-bug] reflection issue mpolacek at gcc dot gnu.org via Gcc-bugs
• 2026/10/06 [Bug c++/127707] [reflection] using typename [:ns:]::X; at block scope in template should declare a type mpolacek at gcc dot gnu.org via Gcc-bugs
• 2026/10/06 [Bug c++/127707] [reflection] using typename [:ns:]::X; at block scope in template should declare a type cvs-commit at gcc dot gnu.org via Gcc-bugs
• 2026/10/06 [Bug c++/127707] [reflection] using typename [:ns:]::X; at block scope in template should declare a type cvs-commit at gcc dot gnu.org via Gcc-bugs
• 2026/10/06 [Bug tree-optimization/127747] [17 Regression] min/max narrowing adds conversion even when widened values are not otherwise dead gabravier at gmail dot com via Gcc-bugs
• 2026/10/06 [Bug tree-optimization/126459] [17 Regression] Wrong code with x != CST1 ? x + CST2 : CST3 fold due to overflow since r17-126 jakub at gcc dot gnu.org via Gcc-bugs
• 2026/10/06 [Bug ipa/127693] [14/15/16 Regression] __builtin_constant_p vs IPA SRA and inlining thiago at kde dot org via Gcc-bugs
• 2026/10/06 [Bug ipa/127693] [14/15/16 Regression] __builtin_constant_p vs IPA SRA and inlining thiago at kde dot org via Gcc-bugs
• 2026/10/06 [Bug tree-optimization/127747] New: [17 Regression] min/max narrowing adds conversion even when widened values are not otherwise dead gabravier at gmail dot com via Gcc-bugs
• 2026/10/06 [Bug tree-optimization/126459] [17 Regression] Wrong code with x != CST1 ? x + CST2 : CST3 fold due to overflow since r17-126 pinskia at gcc dot gnu.org via Gcc-bugs
• 2026/10/06 [Bug tree-optimization/126459] [17 Regression] Wrong code with x != CST1 ? x + CST2 : CST3 fold due to overflow since r17-126 jakub at gcc dot gnu.org via Gcc-bugs
• 2026/10/06 [Bug tree-optimization/126459] [17 Regression] Wrong code with x != CST1 ? x + CST2 : CST3 fold due to overflow since r17-126 jakub at gcc dot gnu.org via Gcc-bugs
• 2026/10/06 [Bug tree-optimization/127746] [17 Regression] wrong code for x != INT_MIN ? x + INT_MIN : 0 since r17-126 pinskia at gcc dot gnu.org via Gcc-bugs
• 2026/10/06 [Bug tree-optimization/127746] [17 regression] wrong code for x != INT_MIN ? x + INT_MIN : 0 since r17-126 jakub at gcc dot gnu.org via Gcc-bugs
• 2026/10/06 [Bug tree-optimization/127746] [17 regression] wrong code for x != INT_MIN ? x + INT_MIN : 0 since r17-126 pinskia at gcc dot gnu.org via Gcc-bugs
• 2026/10/06 [Bug tree-optimization/127746] [17 regression] wrong code for x != INT_MIN ? x + INT_MIN : 0 since r17-126 pinskia at gcc dot gnu.org via Gcc-bugs
• 2026/10/06 [Bug tree-optimization/126459] [17 Regression] Wrong code with x != CST1 ? x + CST2 : CST3 fold due to overflow since r17-126 pinskia at gcc dot gnu.org via Gcc-bugs
• 2026/10/06 [Bug tree-optimization/127746] New: [17 regression] wrong code for wrong code with x != INT_MIN ? x + INT_MIN : 0 gabravier at gmail dot com via Gcc-bugs
• 2026/10/06 [Bug rtl-optimization/126426] [15/16 Regression] riscv rvv: Incorrect result with -march=rva23u64 -O2 in libgav1 sjames at gcc dot gnu.org via Gcc-bugs
• 2026/10/06 [Bug rtl-optimization/126426] [15/16 Regression] riscv rvv: Incorrect result with -march=rva23u64 -O2 in libgav1 ubizjak at gmail dot com via Gcc-bugs
• 2026/10/06 [Bug rtl-optimization/127743] [15/16 Regression] x86: V2HF CONSTRUCTOR {x, 0.0} expanded as pinsrw + 32-bit store, lane 1 never zeroed ubizjak at gmail dot com via Gcc-bugs
• 2026/10/06 [Bug rtl-optimization/127743] [15/16 Regression] x86: V2HF CONSTRUCTOR {x, 0.0} expanded as pinsrw + 32-bit store, lane 1 never zeroed ubizjak at gmail dot com via Gcc-bugs
• 2026/10/06 [Bug rtl-optimization/127743] [15/16 Regression] x86: V2HF CONSTRUCTOR {x, 0.0} expanded as pinsrw + 32-bit store, lane 1 never zeroed ubizjak at gmail dot com via Gcc-bugs
• 2026/10/06 [Bug rtl-optimization/127743] [15/16/17 Regression] x86: V2HF CONSTRUCTOR {x, 0.0} expanded as pinsrw + 32-bit store, lane 1 never zeroed ubizjak at gmail dot com via Gcc-bugs
• 2026/10/06 [Bug rtl-optimization/127743] [15/16/17 Regression] x86: V2HF CONSTRUCTOR {x, 0.0} expanded as pinsrw + 32-bit store, lane 1 never zeroed ubizjak at gmail dot com via Gcc-bugs
• 2026/10/06 [Bug target/127743] [15/16/17 Regression] x86: V2HF CONSTRUCTOR {x, 0.0} expanded as pinsrw + 32-bit store, lane 1 never zeroed ubizjak at gmail dot com via Gcc-bugs
• 2026/10/06 [Bug target/82464] s390x z14: vector float: invalid parameter combination for intrinsic '__builtin_s390_vec_xor' stefansf at gcc dot gnu.org via Gcc-bugs
• 2026/10/06 [Bug target/127117] [16/17 Regression] arc: ctz(0) and clz(0) are incorrect for arc600 and arc700 cvs-commit at gcc dot gnu.org via Gcc-bugs
• 2026/10/06 [Bug tree-optimization/127719] [17 Regression] ICE at -O2/3/s on x86_64-linux-gnu during GIMPLE pass: vrp cvs-commit at gcc dot gnu.org via Gcc-bugs
• 2026/10/06 [Bug analyzer/114285] Use of uninitialized value when copying a struct field by field dmalcolm at gcc dot gnu.org via Gcc-bugs
• 2026/10/06 [Bug libstdc++/125482] std::chrono::parse doesn't fail for invalid dates like Nov 31 12:65:65 redi at gcc dot gnu.org via Gcc-bugs
• 2026/10/06 [Bug analyzer/110014] -Wanalyzer-allocation-size mishandles realloc (..., .... * sizeof (object)) egallager at gcc dot gnu.org via Gcc-bugs
• 2026/10/06 [Bug tree-optimization/64084] [5 Regression] match-and-simplify prefers complex matches cvs-commit at gcc dot gnu.org via Gcc-bugs
• 2026/10/06 [Bug tree-optimization/127745] SRA scalarizes aggregate copy using x87 flds/fsts rguenth at gcc dot gnu.org via Gcc-bugs
• 2026/10/06 [Bug tree-optimization/127745] New: SRA scalarizes aggregate copy using x87 flds/fsts rguenth at gcc dot gnu.org via Gcc-bugs
• 2026/10/06 [Bug c++/127741] New: [GCC C++20] `new char[(long) &a]` as the initializer of a namespace-scope variable ICEs in `cxx_eval_call_expression` (constexpr.cc:4578) 0599jiangyc at gmail dot com via Gcc-bugs
• 2026/10/06 [Bug rtl-optimization/127483] [17 Regression] ICE: in gen_lowpart_general, at rtlhooks.cc:63 with -Og -g ktkachov at gcc dot gnu.org via Gcc-bugs
• 2026/10/06 [Bug libstdc++/125482] std::chrono::parse doesn't fail for invalid dates like Nov 31 12:65:65 redi at gcc dot gnu.org via Gcc-bugs
• 2026/10/06 [Bug c/127722] -Wimplicit-fallthrough documentation should mention consecutive case labels redi at gcc dot gnu.org via Gcc-bugs
• 2026/10/06 [Bug rtl-optimization/127246] [17 Regression] SLP inserting blocks copying of computed goto unfactoring cvs-commit at gcc dot gnu.org via Gcc-bugs
• 2026/10/06 [Bug fortran/82173] [meta-bug] [PDT] Parameterized derived type errors pault at gcc dot gnu.org via Gcc-bugs
• 2026/10/06 [Bug c++/127744] New: ICE in base_ctor_omit_inherited_parms, at cp/method.cc s.kimura.h41104 at gmail dot com via Gcc-bugs
• 2026/10/06 [Bug testsuite/125060] PowerPC tests fold-vec-cmp-int128.c and pr103316.c started failing after r16-286-gd84fbc516ea57d jeevitha at gcc dot gnu.org via Gcc-bugs
• 2026/10/06 [Bug target/127743] [15/16/17 Regression] x86: V2HF CONSTRUCTOR {x, 0.0} expanded as pinsrw + 32-bit store, lane 1 never zeroed rguenth at gcc dot gnu.org via Gcc-bugs
• 2026/10/06 [Bug c/127705] valgrind error in function vect_schedule_scc, line 12809 rguenth at gcc dot gnu.org via Gcc-bugs
• 2026/10/06 [Bug libstdc++/126543] chrono::parse should accept "60" seconds for a utc_time that is a valid leap second cvs-commit at gcc dot gnu.org via Gcc-bugs
• 2026/10/06 [Bug c/127705] valgrind error in function vect_schedule_scc, line 12809 cvs-commit at gcc dot gnu.org via Gcc-bugs
• 2026/10/06 [Bug testsuite/125965] rs6000: Few Power10 big-endian tests fail due to endian-dependent expected values jeevitha at gcc dot gnu.org via Gcc-bugs
• 2026/10/06 [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`) redi at gcc dot gnu.org via Gcc-bugs
• 2026/10/06 [Bug c++/127741] [C++20] `new char[(long) &a]` as the initializer of a namespace-scope variable ICEs in `cxx_eval_call_expression` (constexpr.cc:4578) jakub at gcc dot gnu.org via Gcc-bugs
• 2026/10/06 [Bug c/127722] -Wimplicit-fallthrough documentation should mention consecutive case labels redi at gcc dot gnu.org via Gcc-bugs
• 2026/10/06 [Bug c++/127741] [C++20] `new char[(long) &a]` as the initializer of a namespace-scope variable ICEs in `cxx_eval_call_expression` (constexpr.cc:4578) redi at gcc dot gnu.org via Gcc-bugs
• 2026/10/06 [Bug tree-optimization/121908] Hot loop in xz not vectorized tnfchris at gcc dot gnu.org via Gcc-bugs
• 2026/10/06 [Bug tree-optimization/121908] Hot loop in xz not vectorized rguenth at gcc dot gnu.org via Gcc-bugs
• 2026/10/06 [Bug tree-optimization/121908] Hot loop in xz not vectorized pinskia at gcc dot gnu.org via Gcc-bugs
• 2026/10/06 [Bug tree-optimization/121908] Hot loop in xz not vectorized anton at ozlabs dot org via Gcc-bugs
• 2026/10/06 [Bug middle-end/32911] Function __attribute__ ((idempotent)) jakub at gcc dot gnu.org via Gcc-bugs
• 2026/10/06 [Bug c/127722] -Wimplicit-fallthrough documentation should mention consecutive case labels Keith.S.Thompson at gmail dot com via Gcc-bugs
• 2026/10/06 [Bug target/127743] [15/16 Regression] x86: V2HF CONSTRUCTOR {x, 0.0} expanded as pinsrw + 32-bit store, lane 1 never zeroed khatrishubham88 at gmail dot com via Gcc-bugs
• 2026/10/06 [Bug fortran/127731] Wrong values from a pointer function result associated with a complex part designator mikael at gcc dot gnu.org via Gcc-bugs
• 2026/10/06 [Bug c/127722] -Wimplicit-fallthrough documentation should mention consecutive case labels jakub at gcc dot gnu.org via Gcc-bugs
• 2026/10/06 [Bug c/127722] -Wimplicit-fallthrough documentation should mention consecutive case labels redi at gcc dot gnu.org via Gcc-bugs
• 2026/10/06 [Bug c/127722] -Wimplicit-fallthrough documentation should mention consecutive case labels rearnsha at gcc dot gnu.org via Gcc-bugs
• 2026/10/06 [Bug testsuite/127030] rs6000: vec-permute-ext-runnable.c fails on power10 jeevitha at gcc dot gnu.org via Gcc-bugs
• 2026/10/06 [Bug target/127743] [15/16 Regression] x86: V2HF CONSTRUCTOR {x, 0.0} expanded as pinsrw + 32-bit store, lane 1 never zeroed khatrishubham88 at gmail dot com via Gcc-bugs
• 2026/10/06 [Bug testsuite/127548] rs6000: vec-shift-double-runnable.c fails on power10 BE cvs-commit at gcc dot gnu.org via Gcc-bugs
• 2026/10/06 [Bug target/127743] New: [15/16 Regression] x86: V2HF CONSTRUCTOR {x, 0.0} expanded as pinsrw + 32-bit store, lane 1 never zeroed khatrishubham88 at gmail dot com via Gcc-bugs
• 2026/10/06 [Bug testsuite/127548] rs6000: vec-shift-double-runnable.c fails on power10 BE jeevitha at gcc dot gnu.org via Gcc-bugs
• 2026/10/06 [Bug testsuite/125965] rs6000: Few Power10 big-endian tests fail due to endian-dependent expected values jeevitha at gcc dot gnu.org via Gcc-bugs
• 2026/10/06 [Bug target/126063] Many aarch64-pch.exp failures when configured with --enable-host-pie cvs-commit at gcc dot gnu.org via Gcc-bugs
• 2026/10/06 [Bug sanitizer/127742] Flexible gnu::counted_by array nested in a struct fails with "AddressSanitizer: global-buffer-overflow" git at maxchernoff dot ca via Gcc-bugs
• 2026/10/06 [Bug sanitizer/127742] Flexible gnu::counted_by array nested in a struct fails with "AddressSanitizer: global-buffer-overflow" git at maxchernoff dot ca via Gcc-bugs
• 2026/10/06 [Bug sanitizer/127742] New: Flexible gnu::counted_by array nested in a struct fails with "AddressSanitizer: global-buffer-overflow" git at maxchernoff dot ca via Gcc-bugs
• 2026/10/06 [Bug sanitizer/127742] Flexible gnu::counted_by array nested in a struct fails with "AddressSanitizer: global-buffer-overflow" git at maxchernoff dot ca via Gcc-bugs
• 2026/10/06 [Bug c/127705] valgrind error in function vect_schedule_scc, line 12809 rguenth at gcc dot gnu.org via Gcc-bugs
• 2026/10/06 [Bug target/127720] x86/F16C: scalar _Float16 to double uses __extendhfdf2 instead of widening through float jakub at gcc dot gnu.org via Gcc-bugs
• 2026/10/06 [Bug tree-optimization/53805] vrp/dce removes trapping comparison and other instructions cvs-commit at gcc dot gnu.org via Gcc-bugs
• 2026/10/06 [Bug tree-optimization/127518] [14 Regression] -Wmaybe-uninitialized false positive with inlined copy_to_user lyican53 at sjtu dot edu.cn via Gcc-bugs
• 2026/10/06 [Bug c/127740] New: [GCC C] `__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`) 0599jiangyc at gmail dot com via Gcc-bugs
• 2026/10/06 [Bug tree-optimization/53805] vrp/dce removes trapping comparison and other instructions cvs-commit at gcc dot gnu.org via Gcc-bugs
• 2026/10/06 [Bug target/127720] x86/F16C: scalar _Float16 to double uses __extendhfdf2 instead of widening through float cvs-commit at gcc dot gnu.org via Gcc-bugs
• 2026/10/05 [Bug target/127736] [17 Regression] 15% slowdown of SPEC 2006 milc on aarch64 since r17-4808-ga9b19ded78ca2d rguenth at gcc dot gnu.org via Gcc-bugs
• 2026/10/05 [Bug tree-optimization/53947] [meta-bug] vectorizer missed-optimizations rguenth at gcc dot gnu.org via Gcc-bugs
• 2026/10/05 [Bug tree-optimization/127452] [17 Regression] forwprop generates 128bit multiplication even if not supported by the target since r17-3437 rguenth at gcc dot gnu.org via Gcc-bugs
• 2026/10/05 [Bug tree-optimization/127452] [17 Regression] forwprop generates 128bit multiplication even if not supported by the target since r17-3437 cvs-commit at gcc dot gnu.org via Gcc-bugs
• 2026/10/05 [Bug target/127739] New: RISC-V: ICE in extract_constrain_insn, pred_widen_floatunsv2df (vfwcvt.f.xu.v) anton at ozlabs dot org via Gcc-bugs
• 2026/10/05 [Bug target/127692] [16/17 Regression] s390x ICE during split1 of bswaphi2 cvs-commit at gcc dot gnu.org via Gcc-bugs
• 2026/10/05 [Bug c++/91840] Support for #pragma unroll (N) shamrocklee at posteo dot net via Gcc-bugs
• 2026/10/05 [Bug c/127722] -Wimplicit-fallthrough documentation should mention consecutive case labels Keith.S.Thompson at gmail dot com via Gcc-bugs
• 2026/10/05 [Bug libfortran/127684] caf_shmem: SYNC IMAGES hangs when an image in the image set stops or fails jvdelisle at gcc dot gnu.org via Gcc-bugs
• 2026/10/05 [Bug c/127722] -Wimplicit-fallthrough documentation should mention consecutive case labels Keith.S.Thompson at gmail dot com via Gcc-bugs
• 2026/10/05 [Bug rtl-optimization/127737] New: IRA regional allocation emits redundant spill stores for loop-invariant values across nested loops stefan at franke dot ms via Gcc-bugs
• 2026/10/05 [Bug libstdc++/126543] chrono::parse should accept "60" seconds for a utc_time that is a valid leap second redi at gcc dot gnu.org via Gcc-bugs
• 2026/10/05 [Bug c/123370] ICE: in build_conditional_expr, at c/c-typeck.cc with _Float16 and ternary operator and ! cvs-commit at gcc dot gnu.org via Gcc-bugs
• 2026/10/05 [Bug fortran/127733] Type parameter inquiry on an array complex part designator (z%re%kind) is not scalar anlauf at gcc dot gnu.org via Gcc-bugs
• 2026/10/05 [Bug tree-optimization/127719] [17 Regression] ICE at -O2/3/s on x86_64-linux-gnu during GIMPLE pass: vrp amacleod at redhat dot com via Gcc-bugs
• 2026/10/05 [Bug rtl-optimization/127737] IRA regional allocation emits redundant spill stores for loop-invariant values across nested loops stefan at franke dot ms via Gcc-bugs
• 2026/10/05 [Bug rtl-optimization/127737] IRA regional allocation emits redundant spill stores for loop-invariant values across nested loops stefan at franke dot ms via Gcc-bugs
• 2026/10/05 [Bug tree-optimization/127719] [17 Regression] ICE at -O2/3/s on x86_64-linux-gnu during GIMPLE pass: vrp cvs-commit at gcc dot gnu.org via Gcc-bugs
• 2026/10/05 [Bug fortran/127733] Type parameter inquiry on an array complex part designator (z%re%kind) is not scalar anlauf at gcc dot gnu.org via Gcc-bugs
• 2026/10/05 [Bug libfortran/127738] caf_shmem: FORM TEAM id collision, segfault on pool exhaustion, leaked shared memory mikael at gcc dot gnu.org via Gcc-bugs
• 2026/10/05 [Bug target/127718] arc: 'm' constraint (in inline asm) is too lax for store instruction destination michiel at derhaeg dot be via Gcc-bugs
• 2026/10/05 [Bug sanitizer/71962] error: ‘((& x) != 0u)’ is not a constant expression with fsanitize=undefined aroma.slope.seven at gmail dot com via Gcc-bugs
• 2026/10/05 [Bug sanitizer/71962] error: ‘((& x) != 0u)’ is not a constant expression with fsanitize=undefined aroma.slope.seven at gmail dot com via Gcc-bugs
• 2026/10/05 [Bug middle-end/127723] [vectorizer] Handle simdlen's 'scaled' modifier of OpenMP 'simd' / __simd__ attr for non-const simdlen (esp. for AArch64/RISC-V) burnus at gcc dot gnu.org via Gcc-bugs
• 2026/10/05 [Bug libfortran/127738] caf_shmem: FORM TEAM id collision, segfault on pool exhaustion, leaked shared memory jvdelisle at gcc dot gnu.org via Gcc-bugs
• 2026/10/05 [Bug libfortran/127738] New: caf_shmem: FORM TEAM id collision, segfault on pool exhaustion, leaked shared memory jvdelisle at gcc dot gnu.org via Gcc-bugs

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