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• 2026/01/07 [Bug testsuite/123353] builtin-shufflevector-pr123156.c FAILs on big-endian targets rguenth at gcc dot gnu.org via Gcc-bugs
• 2026/01/07 [Bug c/123156] __builtin_shufflevector sometimes produces different result from clang cvs-commit at gcc dot gnu.org via Gcc-bugs
• 2026/01/07 [Bug tree-optimization/123197] gcc.dg/vect/vect-71.c FAILs cvs-commit at gcc dot gnu.org via Gcc-bugs
• 2026/01/07 [Bug libfortran/123366] [16 regression] Segmentation fault on FreeBSD when compiling libgfortran/generated dimitry at andric dot com via Gcc-bugs
• 2026/01/07 [Bug tree-optimization/123200] gcc.dg/vect/vect-bool-2.c etc. FAIL cvs-commit at gcc dot gnu.org via Gcc-bugs
• 2026/01/07 [Bug other/63426] [meta-bug] Issues found with -fsanitize=undefined rearnsha at gcc dot gnu.org via Gcc-bugs
• 2026/01/07 [Bug target/123390] UBSAN: arm: gcc/config/arm/arm.cc:5435:48: runtime error: signed integer overflow: -2147483648 - 1 cannot be represented in type 'int' rearnsha at gcc dot gnu.org via Gcc-bugs
• 2026/01/07 [Bug target/123390] UBSAN: arm: gcc/config/arm/arm.cc:5435:48: runtime error: signed integer overflow: -2147483648 - 1 cannot be represented in type 'int' cvs-commit at gcc dot gnu.org via Gcc-bugs
• 2026/01/07 [Bug libstdc++/105580] [13/14/15/16 Regression] warning "potential null pointer dereference" raised when using istreambuf_iterator and any "-O" flag tkaminsk at gcc dot gnu.org via Gcc-bugs
• 2026/01/07 [Bug tree-optimization/122103] [15 Regression] SVE vectorisation not honoring -ftrapping-math tnfchris at gcc dot gnu.org via Gcc-bugs
• 2026/01/07 [Bug tree-optimization/123456] New: missed optimization for redundant branches 652023330028 at smail dot nju.edu.cn via Gcc-bugs
• 2026/01/07 [Bug tree-optimization/122103] [15 Regression] SVE vectorisation not honoring -ftrapping-math rguenther at suse dot de via Gcc-bugs
• 2026/01/07 [Bug tree-optimization/123107] [15/16 Regression] X86-64: ICE at -O2 during RTL pass: expand rguenth at gcc dot gnu.org via Gcc-bugs
• 2026/01/07 [Bug tree-optimization/100051] missed optimization for dead code elimination at -Os, -O2 and -O3 (vs. -O1) rguenth at gcc dot gnu.org via Gcc-bugs
• 2026/01/07 [Bug c/123455] New: wrong code at -Os with asm goto jiangchangwu at smail dot nju.edu.cn via Gcc-bugs
• 2026/01/07 [Bug libstdc++/105580] [13/14/15/16 Regression] warning "potential null pointer dereference" raised when using istreambuf_iterator and any "-O" flag tkaminsk at gcc dot gnu.org via Gcc-bugs
• 2026/01/07 [Bug d/123454] d: error overlapping initializer for bitfield with -m32 -fpreview=bitfields ibuclaw at gcc dot gnu.org via Gcc-bugs
• 2026/01/07 [Bug tree-optimization/122793] [15/16 regression] ffmpeg miscompiled with -O2 -march=x86-64-v2 since r15-4114-g8157f3f2d211bf rguenth at gcc dot gnu.org via Gcc-bugs
• 2026/01/07 [Bug d/123454] New: d: error overlapping initializer for bitfield with -m32 -fpreview=bitfields ibuclaw at gcc dot gnu.org via Gcc-bugs
• 2026/01/07 [Bug libstdc++/123183] [16 regression] MinGW-w64 std::print link error since r16-6038-g62c126db6b6 jakub at gcc dot gnu.org via Gcc-bugs
• 2026/01/07 [Bug bootstrap/121623] [15/16 regression] [ia64] bootstrap comparison failure (differently ordered st8s in MMI for gcc/trans-mem.o), stage 2 -> 3 frank.scheiner at web dot de via Gcc-bugs
• 2026/01/07 [Bug bootstrap/121623] [15/16 regression] [ia64] bootstrap comparison failure (differently ordered st8s in MMI for gcc/trans-mem.o), stage 2 -> 3 frank.scheiner at web dot de via Gcc-bugs
• 2026/01/07 [Bug target/114189] Target implements obsolete vcond{,u,eq} expanders ebotcazou at gcc dot gnu.org via Gcc-bugs
• 2026/01/07 [Bug bootstrap/121623] [15/16 regression] [ia64] bootstrap comparison failure (differently ordered st8s in MMI for gcc/trans-mem.o), stage 2 -> 3 frank.scheiner at web dot de via Gcc-bugs
• 2026/01/07 [Bug tree-optimization/46590] long compile time with -O2 and many loops rguenth at gcc dot gnu.org via Gcc-bugs
• 2026/01/07 [Bug libfortran/123446] [16 Regression] Build broken since r16-6515-ge32c3fb4311bca for non-__GTHREADS_CXX0X targets rearnsha at gcc dot gnu.org via Gcc-bugs
• 2026/01/07 [Bug middle-end/123453] New: ICE in lra_constraints: maximum number of generated reload insns per insn achieved (90) when passing _Complex float to "f" constraint 522024330006 at smail dot nju.edu.cn via Gcc-bugs
• 2026/01/07 [Bug tree-optimization/122793] [15/16 regression] ffmpeg miscompiled with -O2 -march=x86-64-v2 since r15-4114-g8157f3f2d211bf rguenth at gcc dot gnu.org via Gcc-bugs
• 2026/01/07 [Bug c++/101780] Missing initializers whereas structure has default initializers redi at gcc dot gnu.org via Gcc-bugs
• 2026/01/07 [Bug c++/123452] New: ICE: Segmentation fault during error reporting for invalid bit-field initialization 522024330006 at smail dot nju.edu.cn via Gcc-bugs
• 2026/01/07 [Bug c++/96868] C++20 designated initializer erroneous warnings redi at gcc dot gnu.org via Gcc-bugs
• 2026/01/07 [Bug target/123050] [15/16 Regression] RISC-V rv64gcv: miscompile at -O2/O3 pinskia at gcc dot gnu.org via Gcc-bugs
• 2026/01/07 [Bug c++/122833] [13/14/15/16 Regression] ICE: in tsubst_expr, at cp/pt.cc with friend default argument of a invocation of a lambda from a templated struct pinskia at gcc dot gnu.org via Gcc-bugs
• 2026/01/07 [Bug c++/96868] C++20 designated initializer erroneous warnings redi at gcc dot gnu.org via Gcc-bugs
• 2026/01/07 [Bug c++/123376] [16 Regression] ICE in write_type when building qt6-qtscxml with -flto -ffat-lto-objects since r16-3821 pinskia at gcc dot gnu.org via Gcc-bugs
• 2026/01/07 [Bug c++/99081] Misleading -Wmissing-field-initializers warning on out-of-order designated initializers redi at gcc dot gnu.org via Gcc-bugs
• 2026/01/07 [Bug libfortran/123446] [16 Regression] Build broken since r16-6515-ge32c3fb4311bca for non-__GTHREADS_CXX0X targets burnus at gcc dot gnu.org via Gcc-bugs
• 2026/01/07 [Bug middle-end/111856] ICE with return type of typedef of void and `#pragma omp declare simd` pinskia at gcc dot gnu.org via Gcc-bugs
• 2026/01/07 [Bug middle-end/111856] ICE with return type of typedef of void and `#pragma omp declare simd` pinskia at gcc dot gnu.org via Gcc-bugs
• 2026/01/07 [Bug ipa/123436] GCC trunk ICEs in the SIMD clone IPA pass when compiling a __attribute__((simd)) function with return type of typedef to void pinskia at gcc dot gnu.org via Gcc-bugs
• 2026/01/07 [Bug c/82283] Wrong warning with -Wmissing-field-initializers redi at gcc dot gnu.org via Gcc-bugs
• 2026/01/07 [Bug tree-optimization/123061] [13/14/15/16 regression] wrong code at -O3 with -ffinite-loops on x86_64-linux-gnu since r12-3313 rguenth at gcc dot gnu.org via Gcc-bugs
• 2026/01/07 [Bug tree-optimization/123061] [13/14/15/16 regression] wrong code at -O3 with -ffinite-loops on x86_64-linux-gnu since r12-3313 rguenth at gcc dot gnu.org via Gcc-bugs
• 2026/01/07 [Bug c++/120685] [13/14/15/16 Regression] GCC Crashes After C++23 auto(t) Warning Instead of Graceful Error pinskia at gcc dot gnu.org via Gcc-bugs
• 2026/01/07 [Bug c++/123451] ICE: error reporting routines re-entered when diagnosing conversion failure involving C++23 auto(x) in decltype pinskia at gcc dot gnu.org via Gcc-bugs
• 2026/01/07 [Bug tree-optimization/123431] [13/14/15/16 Regression] ICE with __builtin_constant_p and __builtin_va_arg_pack usage in ranger pinskia at gcc dot gnu.org via Gcc-bugs
• 2026/01/07 [Bug tree-optimization/123431] [13/14/15/16 Regression] GCC trunk ICEs in the walloca GIMPLE pass (gimple_call_arg) when analyzing an always-inline varargs wrapper using __builtin_va_arg_pack() and called as error(1). pinskia at gcc dot gnu.org via Gcc-bugs
• 2026/01/07 [Bug c++/123451] New: ICE: error reporting routines re-entered when diagnosing conversion failure involving C++23 auto(x) in decltype 522024330006 at smail dot nju.edu.cn via Gcc-bugs
• 2026/01/07 [Bug middle-end/123423] Bad range end when using split_view twice in optimized mode pinskia at gcc dot gnu.org via Gcc-bugs
• 2026/01/07 [Bug c/123425] ICE in gimplification when calling a function cast from an invalid void[ ] parameter declaration, leading to an error_mark type in useless_type_conversion_p pinskia at gcc dot gnu.org via Gcc-bugs
• 2026/01/07 [Bug c/123435] [15/16 regression] ICE extern enum with qualifiers and int on the same decl pinskia at gcc dot gnu.org via Gcc-bugs
• 2026/01/07 [Bug c/123435] [15/16 regression] ICE extern enum with qualifiers and int on the same decl pinskia at gcc dot gnu.org via Gcc-bugs
• 2026/01/07 [Bug c/123435] [15/16 regression] ICE extern enum and volatile int on the same variable pinskia at gcc dot gnu.org via Gcc-bugs
• 2026/01/07 [Bug tree-optimization/123315] [16 Regression] ICE during GIMPLE pass, Segmentation fault, at tree-vect-loop.cc:10694 rguenth at gcc dot gnu.org via Gcc-bugs
• 2026/01/07 [Bug tree-optimization/123449] Missed cost model check on partial vector epilog rguenth at gcc dot gnu.org via Gcc-bugs
• 2026/01/07 [Bug d/123450] New: d: internal compiler error: Segmentation fault with -H ibuclaw at gcc dot gnu.org via Gcc-bugs
• 2026/01/07 [Bug c/123429] GCC trunk segfaults while parsing a file-scope __builtin_c23_va_start pinskia at gcc dot gnu.org via Gcc-bugs
• 2026/01/07 [Bug d/123450] d: internal compiler error: Segmentation fault with -H ibuclaw at gcc dot gnu.org via Gcc-bugs
• 2026/01/07 [Bug c/123424] [15/16 regression] ICE in comptypes_verify when handling a locally defined struct with a VLA member initialized from a mismatched parameter type. pinskia at gcc dot gnu.org via Gcc-bugs
• 2026/01/07 [Bug tree-optimization/123449] New: Missed cost model check on partial vector epilog rguenth at gcc dot gnu.org via Gcc-bugs
• 2026/01/07 [Bug middle-end/123423] Bad range end when using split_view twice in optimized mode Sebastien.Ponce at cern dot ch via Gcc-bugs
• 2026/01/07 [Bug tree-optimization/123221] [16 regression] ICE on valid code at -O3 with -fno-tree-pre on x86_64-linux-gnu: Segmentation fault since r16-4411-gb6e802fd55d37e rguenth at gcc dot gnu.org via Gcc-bugs
• 2026/01/07 [Bug tree-optimization/123316] [16 Regression] ICE during GIMPLE pass verify_gimple failed, at tree-cfg.cc:5599 since r16-4499-g3602ebc86473a9 rguenth at gcc dot gnu.org via Gcc-bugs
• 2026/01/07 [Bug ipa/123436] GCC trunk ICEs in the SIMD clone IPA pass when compiling a __attribute__((simd)) function with return type of typedef to void pinskia at gcc dot gnu.org via Gcc-bugs
• 2026/01/07 [Bug rtl-optimization/123448] ICE: in extract_constrain_insn, at recog.cc during LRA/reload with conflicting "0a" constraint and clobber pinskia at gcc dot gnu.org via Gcc-bugs
• 2026/01/07 [Bug target/119208] internal compiler error: in extract_constrain_insn, at recog.cc:2783 pinskia at gcc dot gnu.org via Gcc-bugs
• 2026/01/07 [Bug target/123448] New: ICE: in extract_constrain_insn, at recog.cc during LRA/reload with conflicting "0a" constraint and clobber 522024330006 at smail dot nju.edu.cn via Gcc-bugs
• 2026/01/07 [Bug c++/123359] ICE: tree check: accessed elt 1 of ‘tree_vec’ with 0 elts in expand_template_argument_pack, at cp/pt.cc when using co_await in a coroutine with invalid multidimensional array parameter pinskia at gcc dot gnu.org via Gcc-bugs
• 2026/01/07 [Bug tree-optimization/123420] a -Wfree-nonheap-object warning that is not provable as being undefined never rguenth at gcc dot gnu.org via Gcc-bugs
• 2026/01/07 [Bug c++/123363] [13/14/15/16 Regression] ICE: Segmentation fault in finish_call_expr during template argument parsing with invalid nested template-id pinskia at gcc dot gnu.org via Gcc-bugs
• 2026/01/07 [Bug c++/123363] [13/14/15/16 Regression] ICE: Segmentation fault in finish_call_expr during template argument parsing with invalid nested template-id pinskia at gcc dot gnu.org via Gcc-bugs
• 2026/01/07 [Bug target/123447] [15/16 Regression] ICE: in simplify_gen_subreg_concatn, at lower-subreg.cc:744 with -O2 and large vectors rguenth at gcc dot gnu.org via Gcc-bugs
• 2026/01/07 [Bug tree-optimization/123444] [16 Regression] [RISCV] [Miscompile] GCC - riscv64 target, miscompiles at -O3 since g:ca8d97f8cb8d282c190183e9c297d5e0490bab4e rguenth at gcc dot gnu.org via Gcc-bugs
• 2026/01/07 [Bug bootstrap/123441] [16 Regression] building in the src tree is broken after r16-4315 rguenth at gcc dot gnu.org via Gcc-bugs
• 2026/01/07 [Bug tree-optimization/123315] [16 Regression] ICE during GIMPLE pass, Segmentation fault, at tree-vect-loop.cc:10694 cvs-commit at gcc dot gnu.org via Gcc-bugs
• 2026/01/07 [Bug c++/123360] [13/14/15/16 Regression] ICE: tree check: expected class ‘type’, have ‘declaration’ (function_decl) in cp_type_quals, at cp/typeck.cc during reshape_init with nested anonymous compound literal pinskia at gcc dot gnu.org via Gcc-bugs
• 2026/01/07 [Bug tree-optimization/123221] [16 regression] ICE on valid code at -O3 with -fno-tree-pre on x86_64-linux-gnu: Segmentation fault since r16-4411-gb6e802fd55d37e cvs-commit at gcc dot gnu.org via Gcc-bugs
• 2026/01/07 [Bug c++/123360] [13/14/15/16 Regression] ICE: tree check: expected class ‘type’, have ‘declaration’ (function_decl) in cp_type_quals, at cp/typeck.cc during reshape_init with nested anonymous compound literal pinskia at gcc dot gnu.org via Gcc-bugs
• 2026/01/07 [Bug tree-optimization/123316] [16 Regression] ICE during GIMPLE pass verify_gimple failed, at tree-cfg.cc:5599 since r16-4499-g3602ebc86473a9 cvs-commit at gcc dot gnu.org via Gcc-bugs
• 2026/01/07 [Bug target/123447] [15/16 Regression] ICE: in simplify_gen_subreg_concatn, at lower-subreg.cc:744 with -O2 and large vectors pinskia at gcc dot gnu.org via Gcc-bugs
• 2026/01/07 [Bug target/123447] [15/16 Regression] ICE: in simplify_gen_subreg_concatn, at lower-subreg.cc:744 with -Og -fno-tree-dce -mstrict-align and vector reinterpret pinskia at gcc dot gnu.org via Gcc-bugs
• 2026/01/06 [Bug libfortran/123366] [16 regression] Segmentation fault on FreeBSD when compiling libgfortran/generated kargl at gcc dot gnu.org via Gcc-bugs
• 2026/01/06 [Bug target/123011] internal compiler error: in simplify_subreg, at simplify-rtx.cc:7983 with -mstrict-align with SVE code pinskia at gcc dot gnu.org via Gcc-bugs
• 2026/01/06 [Bug target/123447] [15/16 Regression] ICE: in simplify_gen_subreg_concatn, at lower-subreg.cc:744 with -Og -fno-tree-dce -mstrict-align and vector reinterpret pinskia at gcc dot gnu.org via Gcc-bugs
• 2026/01/06 [Bug target/123447] New: [15/16 Regression] ICE: in simplify_gen_subreg_concatn, at lower-subreg.cc:744 with -Og -fno-tree-dce -mstrict-align and vector reinterpret zsojka at seznam dot cz via Gcc-bugs
• 2026/01/06 [Bug libfortran/123366] [16 regression] Segmentation fault on FreeBSD when compiling libgfortran/generated kargl at gcc dot gnu.org via Gcc-bugs
• 2026/01/06 [Bug libfortran/123446] [16 Regression] Build broken since r16-6515-ge32c3fb4311bca for non-__GTHREADS_CXX0X targets tkoenig at gcc dot gnu.org via Gcc-bugs
• 2026/01/06 [Bug libfortran/123446] New: [16 Regression] Build broken since r16-6515-ge32c3fb4311bca for non-__GTHREADS_CXX0X targets hp at gcc dot gnu.org via Gcc-bugs
• 2026/01/06 [Bug bootstrap/123445] [16 Regression] Cannot bootstrap on POWER with gcc 4.8.5 pinskia at gcc dot gnu.org via Gcc-bugs
• 2026/01/06 [Bug c/123435] [15/16 regression] ICE during type checking when diagnosing conflicting declarations between enum and integer types. sjames at gcc dot gnu.org via Gcc-bugs
• 2026/01/06 [Bug c/123424] [15/16 regression] ICE in comptypes_verify when handling a locally defined struct with a VLA member initialized from a mismatched parameter type. sjames at gcc dot gnu.org via Gcc-bugs
• 2026/01/06 [Bug bootstrap/123445] [16 Regression] Cannot bootstrap on POWER with gcc 4.8.5 tkoenig at gcc dot gnu.org via Gcc-bugs
• 2026/01/06 [Bug bootstrap/123445] New: [16 Regression] Cannot bootstrap on POWER with gcc 4.8.5 tkoenig at gcc dot gnu.org via Gcc-bugs
• 2026/01/06 [Bug tree-optimization/123444] [16 Regression] [RISCV] [Miscompile] GCC - riscv64 target, miscompiles at -O3 since g:ca8d97f8cb8d282c190183e9c297d5e0490bab4e pinskia at gcc dot gnu.org via Gcc-bugs
• 2026/01/06 [Bug tree-optimization/123444] New: [16 Regression] [RISCV] [Miscompile] GCC - riscv64 target, miscompiles at -O3 since ca8d97f8cb8d282c190183e9c297d5e0490bab4e skothadiya at whileone dot in via Gcc-bugs
• 2026/01/06 [Bug c/122572] [15/16 regression] Segmentation fault on aarch64 building with -O2, no issue with -O2 -fschedule-insns uecker at gcc dot gnu.org via Gcc-bugs
• 2026/01/06 [Bug c/122572] [15/16 regression] Segmentation fault on aarch64 building with -O2, no issue with -O2 -fschedule-insns uecker at gcc dot gnu.org via Gcc-bugs
• 2026/01/06 [Bug target/123268] [16 Regression] Recent change triggers ICE on riscv32 rdapp at gcc dot gnu.org via Gcc-bugs
• 2026/01/06 [Bug libstdc++/123406] [16 Regression] 27_io/print/1.cc 27_io/print/2.cc 27_io/print/3.cc on newlib targets since r16-4350 hp at gcc dot gnu.org via Gcc-bugs
• 2026/01/06 [Bug debug/123259] Allow more control over CTF generation ro at gcc dot gnu.org via Gcc-bugs
• 2026/01/06 [Bug debug/123259] Allow more control over CTF generation cvs-commit at gcc dot gnu.org via Gcc-bugs
• 2026/01/06 [Bug c++/123443] mangling of unnamed enum named via using pinskia at gcc dot gnu.org via Gcc-bugs
• 2026/01/06 [Bug c++/99931] Unnamed `struct` defined with `using` having internal linkage instead of external, unlike `typedef`, yielding different semantics for two pinskia at gcc dot gnu.org via Gcc-bugs
• 2026/01/06 [Bug c++/123443] mangling of unnamed enum inside an exported class pinskia at gcc dot gnu.org via Gcc-bugs
• 2026/01/06 [Bug c++/123443] New: mangling of unnamed enum inside an exported class zhixu.liu at gmail dot com via Gcc-bugs
• 2026/01/06 [Bug c/123437] [16 Regression] GCC trunk ICEs with divide on enum vector pinskia at gcc dot gnu.org via Gcc-bugs
• 2026/01/06 [Bug c/123437] [16 Regression] GCC trunk ICEs with divide on enum vector pinskia at gcc dot gnu.org via Gcc-bugs
• 2026/01/06 [Bug middle-end/123437] [16 Regression] GCC trunk ICEs with divide on enum vector pinskia at gcc dot gnu.org via Gcc-bugs
• 2026/01/06 [Bug middle-end/123437] [16 Regression] GCC trunk ICEs in the vector lowering pass when compiling vector arithmetic on non-scalar element types pinskia at gcc dot gnu.org via Gcc-bugs
• 2026/01/06 [Bug tree-optimization/104475] [13/14/15/16 Regression] Wstringop-overflow + atomics incorrect warning on dynamic object pinskia at gcc dot gnu.org via Gcc-bugs
• 2026/01/06 [Bug tree-optimization/104475] [13/14/15/16 Regression] Wstringop-overflow + atomics incorrect warning on dynamic object pinskia at gcc dot gnu.org via Gcc-bugs
• 2026/01/06 [Bug tree-optimization/88443] [meta-bug] bogus/missing -Wstringop-overflow warnings siddhesh at gcc dot gnu.org via Gcc-bugs
• 2026/01/06 [Bug tree-optimization/123374] [16 regression] elfutils: bogus warning when building debuginfod.cxx since r16-5258 siddhesh at gcc dot gnu.org via Gcc-bugs
• 2026/01/06 [Bug tree-optimization/123374] [16 regression] elfutils: bogus warning when building debuginfod.cxx since r16-5258 cvs-commit at gcc dot gnu.org via Gcc-bugs
• 2026/01/06 [Bug bootstrap/123441] [16 Regression] building in the src tree is broken after r16-4315 pinskia at gcc dot gnu.org via Gcc-bugs
• 2026/01/06 [Bug target/123268] [16 Regression] Recent change triggers ICE on riscv32 law at gcc dot gnu.org via Gcc-bugs
• 2026/01/06 [Bug bootstrap/123441] Unable to build since r16-4315-ge63cf4b130b86d with "C compiler cannot create executables" in stage1 with building in the src tree remi.galanalfonso at gmail dot com via Gcc-bugs
• 2026/01/06 [Bug sanitizer/123442] New: Add __builtin_allow_sanitize_check builtins to be compatiable with clang/LLVM pinskia at gcc dot gnu.org via Gcc-bugs
• 2026/01/06 [Bug bootstrap/123441] Unable to build since r16-4315-ge63cf4b130b86d with "C compiler cannot create executables" in stage1 pinskia at gcc dot gnu.org via Gcc-bugs
• 2026/01/06 [Bug target/123269] [16 Regression] Recent change causes predcomm-dse failures law at gcc dot gnu.org via Gcc-bugs
• 2026/01/06 [Bug target/123269] [16 Regression] Recent change causes predcomm-dse failures cvs-commit at gcc dot gnu.org via Gcc-bugs
• 2026/01/06 [Bug bootstrap/123441] New: Unable to build since r16-4315-ge63cf4b130b86d with "C compiler cannot create executables" in stage1 remi.galanalfonso at gmail dot com via Gcc-bugs
• 2026/01/06 [Bug fortran/123029] OPEN statement with BLANK= is erroneously flagged by -std=f95 jvdelisle at gcc dot gnu.org via Gcc-bugs
• 2026/01/06 [Bug fortran/123029] OPEN statement with BLANK= is erroneously flagged by -std=f95 cvs-commit at gcc dot gnu.org via Gcc-bugs
• 2026/01/06 [Bug c++/123440] [reflection] internal compiler error: canonical types differ for identical types mpolacek at gcc dot gnu.org via Gcc-bugs
• 2026/01/06 [Bug c++/123440] [reflection] internal compiler error: canonical types differ for identical types pinskia at gcc dot gnu.org via Gcc-bugs
• 2026/01/06 [Bug c++/123440] New: [reflection] internal compiler error: canonical types differ for identical types mpolacek at gcc dot gnu.org via Gcc-bugs
• 2026/01/06 [Bug libstdc++/123406] [16 Regression] 27_io/print/1.cc 27_io/print/2.cc 27_io/print/3.cc on newlib targets since r16-4350 redi at gcc dot gnu.org via Gcc-bugs
• 2026/01/06 [Bug c++/123272] [nvptx] OpenMP, libgomp, miscompilation in matrix multiplication with #pragma omp target teams parallel for collapse(2) if members of classes use templates on nvptx target schulz.benjamin at googlemail dot com via Gcc-bugs
• 2026/01/06 [Bug target/123439] Regression in being able to link compiler-generated thunks with linker script in 32-bit x86 code pinskia at gcc dot gnu.org via Gcc-bugs
• 2026/01/06 [Bug rtl-optimization/121704] [13/14/15 regression] wrong code at -O3 with "-fno-gcse -fno-ipa-cp" on x86_64-linux-gnu jakub at gcc dot gnu.org via Gcc-bugs
• 2026/01/06 [Bug target/123439] Regression in being able to link compiler-generated thunks with linker script in 32-bit x86 code taylor.hutt at broadcom dot com via Gcc-bugs
• 2026/01/06 [Bug c/123430] GCC trunk ICEs in operand_equal_p when folding a pointer difference expression formed by subtracting two foo().c array lvalues from separate function-call results. pinskia at gcc dot gnu.org via Gcc-bugs
• 2026/01/06 [Bug c/112504] ICE in operand_equal_p, at fold-const.cc:3313 with function return struct containing an array and comparing the array to the same thing pinskia at gcc dot gnu.org via Gcc-bugs
• 2026/01/06 [Bug rtl-optimization/121773] [13/14/15/16 Regression] Combine over-simplifies a subreg write since r12-11174-gaffa145910b676 jakub at gcc dot gnu.org via Gcc-bugs
• 2026/01/06 [Bug target/123439] Regression in being able to link compiler-generated thunks with linker script in 32-bit x86 code pinskia at gcc dot gnu.org via Gcc-bugs
• 2026/01/06 [Bug target/59842] `__x86.get_pc_thunk.bx' referenced in section `.text': defined in discarded section… pinskia at gcc dot gnu.org via Gcc-bugs
• 2026/01/06 [Bug rtl-optimization/121773] [13/14/15/16 Regression] Combine over-simplifies a subreg write since r12-11174-gaffa145910b676 jakub at gcc dot gnu.org via Gcc-bugs
• 2026/01/06 [Bug target/123439] Regression in being able to link compiler-generated thunks with linker script in 32-bit x86 code taylor.hutt at broadcom dot com via Gcc-bugs
• 2026/01/06 [Bug target/123439] Regression in being able to link compiler-generated thunks with linker script in 32-bit x86 code pinskia at gcc dot gnu.org via Gcc-bugs
• 2026/01/06 [Bug target/123269] [16 Regression] Recent change causes predcomm-dse failures law at gcc dot gnu.org via Gcc-bugs
• 2026/01/06 [Bug c/123439] New: Regression in being able to link compiler-generated thunks with linker script in 32-bit x86 code taylor.hutt at broadcom dot com via Gcc-bugs
• 2026/01/06 [Bug middle-end/111817] ICE in expand_asm_stmt with invalid characters in inline-asm output operands pinskia at gcc dot gnu.org via Gcc-bugs
• 2026/01/06 [Bug c/123438] GCC trunk ICEs during RTL expansion when compiling inline assembly with malformed or invalid output constraints. pinskia at gcc dot gnu.org via Gcc-bugs
• 2026/01/06 [Bug c/123438] New: GCC trunk ICEs during RTL expansion when compiling inline assembly with malformed or invalid output constraints. aamadu.olander at gmail dot com via Gcc-bugs
• 2026/01/06 [Bug c/123433] GCC trunk ICEs during gimplification when processing varargs code involving non-constant-sized aggregate types. pinskia at gcc dot gnu.org via Gcc-bugs
• 2026/01/06 [Bug c/97986] [13/14/15 Regression] ICE in force_constant_size when applying va_arg to VLA type since r6-91-gf8e89441bc5518f4 pinskia at gcc dot gnu.org via Gcc-bugs
• 2026/01/06 [Bug c/123437] New: GCC trunk ICEs in the vector lowering pass when compiling vector arithmetic on non-scalar element types aamadu.olander at gmail dot com via Gcc-bugs
• 2026/01/06 [Bug c/123436] New: GCC trunk ICEs in the SIMD clone IPA pass when compiling a __attribute__((simd)) function with an unusual return type. aamadu.olander at gmail dot com via Gcc-bugs
• 2026/01/06 [Bug c/123434] GCC trunk ICEs during RTL expansion when passing very large aggregate arguments by value, after reporting an unimplemented “argument too large for stack” case. pinskia at gcc dot gnu.org via Gcc-bugs
• 2026/01/06 [Bug middle-end/115411] ICE : in expand_call, at calls.cc:3668 pinskia at gcc dot gnu.org via Gcc-bugs
• 2026/01/06 [Bug c/123435] New: GCC trunk ICEs during type checking when diagnosing conflicting declarations between enum and integer types. aamadu.olander at gmail dot com via Gcc-bugs
• 2026/01/06 [Bug c/123018] [14 Regression] ICE: tree check: expected none of vector_type, have vector_type in finish_struct, at c/c-decl.cc since r14-2150 pinskia at gcc dot gnu.org via Gcc-bugs
• 2026/01/06 [Bug c/123434] New: GCC trunk ICEs during RTL expansion when passing very large aggregate arguments by value, after reporting an unimplemented “argument too large for stack” case. aamadu.olander at gmail dot com via Gcc-bugs
• 2026/01/06 [Bug c/123433] New: GCC trunk ICEs during gimplification when processing varargs code involving non-constant-sized aggregate types. aamadu.olander at gmail dot com via Gcc-bugs
• 2026/01/06 [Bug c/123432] GCC trunk ICEs in finish_struct when a struct declares a vector float type (via __vector_size__) as a bit-field (float f:32) pinskia at gcc dot gnu.org via Gcc-bugs
• 2026/01/06 [Bug c/123432] New: GCC trunk ICEs in finish_struct when a struct declares a vector float type (via __vector_size__) as a bit-field (float f:32) aamadu.olander at gmail dot com via Gcc-bugs
• 2026/01/06 [Bug c/123431] New: GCC trunk ICEs in the walloca GIMPLE pass (gimple_call_arg) when analyzing an always-inline varargs wrapper using __builtin_va_arg_pack() and called as error(1). aamadu.olander at gmail dot com via Gcc-bugs
• 2026/01/06 [Bug c/123427] GCC trunk hits “assembler name hash list corrupted” and ICEs in symtab_node::verify when two globals are forced to the same fixed register asm name ("rsp"). pinskia at gcc dot gnu.org via Gcc-bugs
• 2026/01/06 [Bug middle-end/61192] Conflict between global register and other decls with the same name pinskia at gcc dot gnu.org via Gcc-bugs
• 2026/01/06 [Bug c/123430] New: GCC trunk ICEs in operand_equal_p when folding a pointer difference expression formed by subtracting two foo().c array lvalues from separate function-call results. aamadu.olander at gmail dot com via Gcc-bugs
• 2026/01/06 [Bug c/105555] [13/14/15/16 Regression] ICE: in fold_offsetof, at c-family/c-common.cc:6815 pinskia at gcc dot gnu.org via Gcc-bugs
• 2026/01/06 [Bug c/123428] GCC trunk ICEs in fold_offsetof when taking &__real / &__imag of a complex field inside a packed nested struct (p->b.a.i). pinskia at gcc dot gnu.org via Gcc-bugs
• 2026/01/06 [Bug middle-end/100595] [13/14/15/16 Regression] ICE: output_operand with static const int of address of label + difference of label pinskia at gcc dot gnu.org via Gcc-bugs
• 2026/01/06 [Bug c/123429] New: GCC trunk segfaults while parsing a file-scope __builtin_c23_va_start(aps[4], i) initializer that references an undeclared va_list aps[]. aamadu.olander at gmail dot com via Gcc-bugs
• 2026/01/06 [Bug middle-end/123426] GCC trunk ICEs during final code generation when emitting static initializers involving arithmetic on label addresses (&&label), triggering an invalid operand in output_operand. pinskia at gcc dot gnu.org via Gcc-bugs
• 2026/01/06 [Bug c/123428] New: GCC trunk ICEs in fold_offsetof when taking &__real / &__imag of a complex field inside a packed nested struct (p->b.a.i). aamadu.olander at gmail dot com via Gcc-bugs
• 2026/01/06 [Bug c/123427] New: GCC trunk hits “assembler name hash list corrupted” and ICEs in symtab_node::verify when two globals are forced to the same fixed register asm name ("rsp"). aamadu.olander at gmail dot com via Gcc-bugs
• 2026/01/06 [Bug c/123426] New: GCC trunk ICEs during final code generation when emitting static initializers involving arithmetic on label addresses (&&label), triggering an invalid operand in output_operand. aamadu.olander at gmail dot com via Gcc-bugs
• 2026/01/06 [Bug middle-end/123423] Bad range end when using split_view twice in optimized mode pinskia at gcc dot gnu.org via Gcc-bugs
• 2026/01/06 [Bug c/123425] New: GCC trunk ICEs in gimplification when calling a function cast from an invalid void[ ] parameter declaration, leading to an error_mark type in useless_type_conversion_p aamadu.olander at gmail dot com via Gcc-bugs
• 2026/01/06 [Bug c/123424] New: GCC trunk ICEs in comptypes_verify when handling a locally defined struct with a VLA member initialized from a mismatched parameter type. aamadu.olander at gmail dot com via Gcc-bugs
• 2026/01/06 [Bug middle-end/123423] Bad range end when using split_view twice in optimized mode pinskia at gcc dot gnu.org via Gcc-bugs
• 2026/01/06 [Bug tree-optimization/123417] [16 Regression] missing sink vs GCC 15 pinskia at gcc dot gnu.org via Gcc-bugs
• 2026/01/06 [Bug middle-end/123423] Bad range end when using split_view twice in optimized mode pinskia at gcc dot gnu.org via Gcc-bugs
• 2026/01/06 [Bug c++/123423] New: Bad range end when using split_view twice in optimized mode Sebastien.Ponce at cern dot ch via Gcc-bugs
• 2026/01/06 [Bug target/123021] warning while compiling the progs/free_timer.c kernel BPF selftest jemarch at gcc dot gnu.org via Gcc-bugs
• 2026/01/06 [Bug c/123421] Warning about too long initializer-string miscounts initializer length when nonstring attribute is used pinskia at gcc dot gnu.org via Gcc-bugs
• 2026/01/06 [Bug c/123421] Warning about too long initializer-string miscounts initializer length when nonstring attribute is used pinskia at gcc dot gnu.org via Gcc-bugs
• 2026/01/06 [Bug d/123422] New: d: RVO/NRVO not done when returning a copy constructor by __rvalue ibuclaw at gcc dot gnu.org via Gcc-bugs
• 2026/01/06 [Bug target/123414] [16 Regression] [RISCV] [Miscompile] GCC - riscv64 target, miscompiles at -O3 since r16-6296 law at gcc dot gnu.org via Gcc-bugs
• 2026/01/06 [Bug c/123421] New: Warning about too long initializer-string miscounts initializer length when nonstring attribute is used gcc at basmevissen dot nl via Gcc-bugs
• 2026/01/06 [Bug libstdc++/123406] [16 Regression] 27_io/print/1.cc 27_io/print/2.cc 27_io/print/3.cc on newlib targets since r16-4350 hp at gcc dot gnu.org via Gcc-bugs
• 2026/01/06 [Bug tree-optimization/123374] [16 regression] elfutils: bogus warning when building debuginfod.cxx since r16-5258 siddhesh at gcc dot gnu.org via Gcc-bugs
• 2026/01/06 [Bug target/123364] [13/14/15/16 Regression] ICE with 2 input operands with constraints of "0" where 0 constraint is "=t" jakub at gcc dot gnu.org via Gcc-bugs
• 2026/01/06 [Bug tree-optimization/122103] [15 Regression] SVE vectorisation not honoring -ftrapping-math cvs-commit at gcc dot gnu.org via Gcc-bugs
• 2026/01/06 [Bug c/123420] New: incorrect -Wfree-nonheap-object stefan11111 at shitposting dot expert via Gcc-bugs
• 2026/01/06 [Bug target/123364] [13/14/15/16 Regression] ICE with 2 input operands with constraints of "0" where 0 constraint is "=t" jakub at gcc dot gnu.org via Gcc-bugs
• 2026/01/06 [Bug c++/123413] [13/14/15/16 Regression] ICE: in gimplify_var_or_parm_decl, at gimplify.cc with statement expression inside a template assigned to a decltype(auto) jakub at gcc dot gnu.org via Gcc-bugs
• 2026/01/06 [Bug c++/123281] [16 Regression] ICE using gcc 20251221 snapshot with openscad-2025.05.01_pre-r1 since r16-6140 ppalka at gcc dot gnu.org via Gcc-bugs
• 2026/01/06 [Bug c++/123413] [13/14/15/16 Regression] ICE: in gimplify_var_or_parm_decl, at gimplify.cc with statement expression inside a template assigned to a decltype(auto) jakub at gcc dot gnu.org via Gcc-bugs
• 2026/01/06 [Bug c++/123281] [16 Regression] ICE using gcc 20251221 snapshot with openscad-2025.05.01_pre-r1 since r16-6140 ppalka at gcc dot gnu.org via Gcc-bugs
• 2026/01/06 [Bug target/121192] [15/16 regression] gcc.c-torture/execute/pr110817-[13].c FAIL on SPARC with -mcpu=ultrasparc3 ebotcazou at gcc dot gnu.org via Gcc-bugs
• 2026/01/06 [Bug target/121192] [15/16 regression] gcc.c-torture/execute/pr110817-[13].c FAIL on SPARC with -mcpu=ultrasparc3 cvs-commit at gcc dot gnu.org via Gcc-bugs
• 2026/01/06 [Bug target/121192] [15/16 regression] gcc.c-torture/execute/pr110817-[13].c FAIL on SPARC with -mcpu=ultrasparc3 cvs-commit at gcc dot gnu.org via Gcc-bugs
• 2026/01/06 [Bug libstdc++/123406] [16 Regression] 27_io/print/1.cc 27_io/print/2.cc 27_io/print/3.cc on newlib targets since r16-4350 redi at gcc dot gnu.org via Gcc-bugs
• 2026/01/06 [Bug libstdc++/123406] [16 Regression] 27_io/print/1.cc 27_io/print/2.cc 27_io/print/3.cc on newlib targets since r16-4350 redi at gcc dot gnu.org via Gcc-bugs
• 2026/01/06 [Bug tree-optimization/123417] [16 Regression] missing sink vs GCC 15 rguenth at gcc dot gnu.org via Gcc-bugs
• 2026/01/06 [Bug tree-optimization/123416] [13/14/15/16 Regression] wrong code at -O{s,2,3} with "-fno-tree-dse -fno-strict-aliasing" on x86_64-linux-gnu since r15-2207 rguenth at gcc dot gnu.org via Gcc-bugs
• 2026/01/06 [Bug libstdc++/123406] [16 Regression] 27_io/print/1.cc 27_io/print/2.cc 27_io/print/3.cc on newlib targets since r16-4350 rguenth at gcc dot gnu.org via Gcc-bugs

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