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• 2026/04/26 [Bug target/121853] conversion from __bf16 to float is prohibitively expensive arnej at pvv dot ntnu.no via Gcc-bugs
• 2026/04/26 [Bug testsuite/124857] FAIL: g++.dg/gomp/deprecate-1.C ro at gcc dot gnu.org via Gcc-bugs
• 2026/04/26 [Bug cobol/125031] regression: PICTURE needed even if VALUE given simonsobisch at gnu dot org via Gcc-bugs
• 2026/04/26 [Bug cobol/123764] [16/17 regression] cobol: regression in PICTURE handling sjames at gcc dot gnu.org via Gcc-bugs
• 2026/04/26 [Bug cobol/125031] regression: PICTURE needed even if VALUE given sjames at gcc dot gnu.org via Gcc-bugs
• 2026/04/26 [Bug cobol/125031] New: regression: PICTURE needed even if VALUE given simonsobisch at gnu dot org via Gcc-bugs
• 2026/04/26 [Bug cobol/123764] cobol: regression in PICTURE handling simonsobisch at gnu dot org via Gcc-bugs
• 2026/04/26 [Bug libstdc++/125024] [reflection] `std::is_scalar_v<std::meta::info>` incorrectly yields `false` jakub at gcc dot gnu.org via Gcc-bugs
• 2026/04/26 [Bug libstdc++/125024] [reflection] `std::is_scalar_v<std::meta::info>` incorrectly yields `false` daniel.kruegler at googlemail dot com via Gcc-bugs
• 2026/04/26 [Bug libstdc++/125024] [reflection] `std::is_scalar_v<std::meta::info>` incorrectly yields `false` daniel.kruegler at googlemail dot com via Gcc-bugs
• 2026/04/26 [Bug cobol/125030] New: internal compiler error: set_capacity simonsobisch at gnu dot org via Gcc-bugs
• 2026/04/26 [Bug cobol/125029] New: parser issue "lock mode manual" yields "expecting MANUAL" simonsobisch at gnu dot org via Gcc-bugs
• 2026/04/26 [Bug cobol/125028] New: missing support for call-convention simonsobisch at gnu dot org via Gcc-bugs
• 2026/04/26 [Bug tree-optimization/109960] [13/14/15/16/17 Regression] missing combining of `(a&1) != 0 || (a&2)!=0` into `(a&3)!=0` pinskia at gcc dot gnu.org via Gcc-bugs
• 2026/04/26 [Bug middle-end/108370] gcc doesn't merge bitwise-AND if an explicit comparison against 0 is given pinskia at gcc dot gnu.org via Gcc-bugs
• 2026/04/26 [Bug tree-optimization/125025] [13/14/15/16/17 Regression] ICE at -O1 -fsanitize=undefined during GIMPLE pass: profile_estimate pinskia at gcc dot gnu.org via Gcc-bugs
• 2026/04/26 [Bug target/125023] [13/14/15/16/17 Regression] x86_64: Inconsistent ABI behaviour when passing a structure with a zero-sized multidimensional array by value. sergey_v_kaplun at mail dot ru via Gcc-bugs
• 2026/04/26 [Bug tree-optimization/125025] [Regression 5-17] ICE at -O1 -fsanitize=undefined during GIMPLE pass: profile_estimate pinskia at gcc dot gnu.org via Gcc-bugs
• 2026/04/26 [Bug target/125026] [17 regression] ICE on valid code at -O{2,3} on x86_64-linux-gnu: in extract_insn, at recog.cc:2892 pinskia at gcc dot gnu.org via Gcc-bugs
• 2026/04/26 [Bug tree-optimization/110262] `t < 0 ? 1 : min(t, 1)` is not simplified down to just `t != 0` pinskia at gcc dot gnu.org via Gcc-bugs
• 2026/04/26 [Bug tree-optimization/110252] [14 Regression] Wrong code at -O2/3/s on x86_64-linux-gnu cvs-commit at gcc dot gnu.org via Gcc-bugs
• 2026/04/26 [Bug tree-optimization/110262] `t < 0 ? 1 : min(t, 1)` is not simplified down to just `t != 0` cvs-commit at gcc dot gnu.org via Gcc-bugs
• 2026/04/26 [Bug target/125023] [13/14/15/16/17 Regression] x86_64: Inconsistent ABI behaviour when passing a structure with a zero-sized multidimensional array by value. sjames at gcc dot gnu.org via Gcc-bugs
• 2026/04/26 [Bug target/125023] [13/14/15/16/17 Regression] x86_64: Inconsistent ABI behaviour when passing a structure with a zero-sized multidimensional array by value. pinskia at gcc dot gnu.org via Gcc-bugs
• 2026/04/26 [Bug target/125023] [13/14/15/16/17 Regression] x86_64: Inconsistent ABI behaviour when passing a structure with a zero-sized multidimensional array by value. pinskia at gcc dot gnu.org via Gcc-bugs
• 2026/04/26 [Bug target/125023] x86_64: Inconsistent ABI behaviour when passing a structure with a zero-sized multidimensional array by value. pinskia at gcc dot gnu.org via Gcc-bugs
• 2026/04/26 [Bug target/125023] x86_64: Inconsistent ABI behaviour when passing a structure with a zero-sized multidimensional array by value. pinskia at gcc dot gnu.org via Gcc-bugs
• 2026/04/26 [Bug c/125027] New: [Coverity] tree-vect-stmts.cc: 8782: Possible null pointer dereference ? dcb314 at hotmail dot com via Gcc-bugs
• 2026/04/26 [Bug rtl-optimization/125026] [17 regression] ICE on valid code at -O{2,3} on x86_64-linux-gnu: in extract_insn, at recog.cc:2892 sjames at gcc dot gnu.org via Gcc-bugs
• 2026/04/26 [Bug target/125023] [16/17 regression] x86_64: Inconsistent ABI behaviour when passing a structure with a zero-sized multidimensional array by value. sjames at gcc dot gnu.org via Gcc-bugs
• 2026/04/26 [Bug target/125023] [16/17 regression] x86_64: Inconsistent ABI behaviour when passing a structure with a zero-sized multidimensional array by value. sjames at gcc dot gnu.org via Gcc-bugs
• 2026/04/26 [Bug target/125023] x86_64: Inconsistent ABI behaviour when passing a structure with a zero-sized multidimensional array by value. pinskia at gcc dot gnu.org via Gcc-bugs
• 2026/04/26 [Bug c++/124241] [reflection] internal compiler error: in friend_accessible_p, at cp/search.cc:817 chzn at mail dot ustc.edu.cn via Gcc-bugs
• 2026/04/26 [Bug rtl-optimization/125026] New: ICE on valid code at -O{2,3} on x86_64-linux-gnu: in extract_insn, at recog.cc:2892 zhendong.su at inf dot ethz.ch via Gcc-bugs
• 2026/04/26 [Bug sanitizer/125025] New: [5-17] ICE at -O1 -fsanitize=undefined during GIMPLE pass: profile_estimate xxs_chy at outlook dot com via Gcc-bugs
• 2026/04/26 [Bug libstdc++/125024] New: [reflection] `std::is_scalar_v<std::meta::info>` incorrectly yields `false` ensadc at mailnesia dot com via Gcc-bugs
• 2026/04/26 [Bug c/125023] New: x86_64: Inconsistent ABI behaviour when passing a structure with a zero-sized multidimensional array by value. sergey_v_kaplun at mail dot ru via Gcc-bugs
• 2026/04/26 [Bug tree-optimization/124715] Folding elides pole error from pow cvs-commit at gcc dot gnu.org via Gcc-bugs
• 2026/04/26 [Bug c++/125022] [17 Regression] ICE on qtwebengine-6.11.0: in tsubst_stmt, at cp/pt.cc:20843 due to clang::trivial_abi (r17-43) rguenth at gcc dot gnu.org via Gcc-bugs
• 2026/04/26 [Bug fortran/125021] [15/16/17 Regression][coarray] internal compiler error at fortran/trans-expr.cc:2998 rguenth at gcc dot gnu.org via Gcc-bugs
• 2026/04/26 [Bug tree-optimization/125019] [16/17 Regression] ICE on valid code at -O{2,3} with "-fno-vect-cost-model -fno-tree-dce -fno-tree-pre" on x86_64-linux-gnu: Segmentation fault rguenth at gcc dot gnu.org via Gcc-bugs
• 2026/04/26 [Bug fortran/77961] [Coarray] [OOP] Allocatable components in CLASS-typed coarrays unsupported. pault at gcc dot gnu.org via Gcc-bugs
• 2026/04/25 [Bug tree-optimization/118649] `(b * CST) & 1` for CST is odd is not optimized to `b&1` on the gimple level pinskia at gcc dot gnu.org via Gcc-bugs
• 2026/04/25 [Bug tree-optimization/115082] Canonical form for `(a+oddCST)&1` or `1 & ~a` pinskia at gcc dot gnu.org via Gcc-bugs
• 2026/04/25 [Bug c++/125022] [17 Regression] ICE on qtwebengine-6.11.0: in tsubst_stmt, at cp/pt.cc:20843 due to clang::trivial_abi (r17-43) pinskia at gcc dot gnu.org via Gcc-bugs
• 2026/04/25 [Bug c++/125022] [17 Regression] ICE on qtwebengine-6.11.0: in tsubst_stmt, at cp/pt.cc:20843 due to clang::trivial_abi (r17-43) pinskia at gcc dot gnu.org via Gcc-bugs
• 2026/04/25 [Bug c++/125022] New: [17 Regression] ICE on qtwebengine-6.11.0: in tsubst_stmt, at cp/pt.cc:20843 slyfox at gcc dot gnu.org via Gcc-bugs
• 2026/04/25 [Bug fortran/125021] [Coarray][15/16/17 Regression] internal compiler error at fortran/trans-expr.cc:2998 jvdelisle at gcc dot gnu.org via Gcc-bugs
• 2026/04/25 [Bug tree-optimization/56096] Sub-optimal code generated for conditional shift cvs-commit at gcc dot gnu.org via Gcc-bugs
• 2026/04/25 [Bug fortran/125021] [Coarray][15/16/17 Regression] internal compiler error at fortran/trans-expr.cc:2998 jvdelisle at gcc dot gnu.org via Gcc-bugs
• 2026/04/25 [Bug tree-optimization/118666] Canonicalization of `(a & CST) == CST` and `((~a) & CST) == 0` pinskia at gcc dot gnu.org via Gcc-bugs
• 2026/04/25 [Bug tree-optimization/112533] missed optimization (~A & C) == (~B & C) => (A & C) == (B & C) pinskia at gcc dot gnu.org via Gcc-bugs
• 2026/04/25 [Bug fortran/125021] [Coarray][15/16/17 Regression] internal compiler error, possible regression jvdelisle at gcc dot gnu.org via Gcc-bugs
• 2026/04/25 [Bug tree-optimization/112385] `(2 >> a) ^ (5 >> a)` is not optimized to `7 >> a` is 2 and 5 differ in signedness pinskia at gcc dot gnu.org via Gcc-bugs
• 2026/04/25 [Bug tree-optimization/114967] Missed optimization: std::min((int) f, -a) ==> -a where (bool f, unsigned char a) pinskia at gcc dot gnu.org via Gcc-bugs
• 2026/04/25 [Bug middle-end/112098] suboptimal optimization of inverted bit extraction pinskia at gcc dot gnu.org via Gcc-bugs
• 2026/04/25 [Bug tree-optimization/111827] `a > b ? ~a : ~b` is sometimes not detected until phiopt4 (or not at all) pinskia at gcc dot gnu.org via Gcc-bugs
• 2026/04/25 [Bug tree-optimization/125019] [17 Regression] ICE on valid code at -O{2,3} with "-fno-vect-cost-model -fno-tree-dce -fno-tree-pre" on x86_64-linux-gnu: Segmentation fault pinskia at gcc dot gnu.org via Gcc-bugs
• 2026/04/25 [Bug tree-optimization/110262] `t < 0 ? 1 : min(t, 1)` is not simplified down to just `t != 0` pinskia at gcc dot gnu.org via Gcc-bugs
• 2026/04/25 [Bug tree-optimization/110262] `t < 0 ? 1 : min(t, 1)` is not simplified down to just `t != 0` pinskia at gcc dot gnu.org via Gcc-bugs
• 2026/04/25 [Bug middle-end/7651] Define -Wextra strictly in terms of other warning flags heiko at hexco dot de via Gcc-bugs
• 2026/04/25 [Bug c++/125020] [doc] -Wenum-conversion is available for C++/ObjC++ also heiko at hexco dot de via Gcc-bugs
• 2026/04/25 [Bug fortran/125021] [Coarray] internal compiler error, possible regression neil.n.carlson at gmail dot com via Gcc-bugs
• 2026/04/25 [Bug fortran/125021] [Coarray] internal compiler error, possible regression kargl at gcc dot gnu.org via Gcc-bugs
• 2026/04/25 [Bug tree-optimization/110262] `t < 0 ? 1 : min(t, 1)` is not simplified down to just `t != 0` pinskia at gcc dot gnu.org via Gcc-bugs
• 2026/04/25 [Bug fortran/125021] New: [Coarray] internal compiler error, possible regression neil.n.carlson at gmail dot com via Gcc-bugs
• 2026/04/25 [Bug tree-optimization/112093] (X & Y) < X (unsigned) and (X & Y) != X should produce the same code pinskia at gcc dot gnu.org via Gcc-bugs
• 2026/04/25 [Bug target/124027] x86 coff -fpic output is not position independent ebotcazou at gcc dot gnu.org via Gcc-bugs
• 2026/04/25 [Bug target/124027] x86 coff -fpic output is not position independent pali at kernel dot org via Gcc-bugs
• 2026/04/25 [Bug tree-optimization/123123] `a != 0 ? 1 : a + 1` is not always optimized to 1 pinskia at gcc dot gnu.org via Gcc-bugs
• 2026/04/25 [Bug target/124027] x86 coff -fpic output is not position independent pali at kernel dot org via Gcc-bugs
• 2026/04/25 [Bug target/124027] x86 coff -fpic output is not position independent pali at kernel dot org via Gcc-bugs
• 2026/04/25 [Bug tree-optimization/112271] Some `(a == CST) ? a OP b : CST` is not done in match pinskia at gcc dot gnu.org via Gcc-bugs
• 2026/04/25 [Bug c++/125020] [doc] -Wenum-conversion is available for C++/ObjC++ also heiko at hexco dot de via Gcc-bugs
• 2026/04/25 [Bug tree-optimization/123123] `a != 0 ? 1 : a + 1` is not always optimized to 1 pinskia at gcc dot gnu.org via Gcc-bugs
• 2026/04/25 [Bug libfortran/93727] Fortran 2018: EX edit descriptor jvdelisle at gcc dot gnu.org via Gcc-bugs
• 2026/04/25 [Bug tree-optimization/124061] niter analysis doesn't handle enum or _BitInt iterators cvs-commit at gcc dot gnu.org via Gcc-bugs
• 2026/04/25 [Bug tree-optimization/124061] niter analysis doesn't handle enum or _BitInt iterators pinskia at gcc dot gnu.org via Gcc-bugs
• 2026/04/25 [Bug tree-optimization/124052] niter analysis does not handle & or | merged exit conditions cvs-commit at gcc dot gnu.org via Gcc-bugs
• 2026/04/25 [Bug c/124985] [16/17 Regression] ICE with nested function returning a VLA in struct (gcc.dg/pr117245.c) with -O -fno-tree-dse in initialize_inlined_parameters in tree-inline.cc since r16-3747 uecker at gcc dot gnu.org via Gcc-bugs
• 2026/04/25 [Bug target/123904] Failure to optimize left shift + and sequence on RISC-V law at gcc dot gnu.org via Gcc-bugs
• 2026/04/25 [Bug target/123904] Failure to optimize left shift + and sequence on RISC-V cvs-commit at gcc dot gnu.org via Gcc-bugs
• 2026/04/25 [Bug c++/96184] [13/14/15/16/17 Regression] GCC treats "use of local variable with automatic storage from containing function" differently in versions foss at grueninger dot de via Gcc-bugs
• 2026/04/25 [Bug target/123838] riscv: Optimize int shift left by (31 - n). law at gcc dot gnu.org via Gcc-bugs
• 2026/04/25 [Bug target/123838] riscv: Optimize int shift left by (31 - n). cvs-commit at gcc dot gnu.org via Gcc-bugs
• 2026/04/25 [Bug c++/125020] New: [doc] -Wenum-conversion is available for C++/ObjC++ also heiko at hexco dot de via Gcc-bugs
• 2026/04/25 [Bug tree-optimization/125010] `(a<<1)+2)|1` can be simplified to (a<<1)+3 law at gcc dot gnu.org via Gcc-bugs
• 2026/04/25 [Bug ipa/125015] alias attribute does not diagnose mismatched type/size/alignment as documented kartik7ohlan at gmail dot com via Gcc-bugs
• 2026/04/25 [Bug c++/124582] Conflicting imported declaration with both modules and reflection enabled ppalka at gcc dot gnu.org via Gcc-bugs
• 2026/04/25 [Bug c++/124582] Conflicting imported declaration with both modules and reflection enabled nurullahcitil1536 at gmail dot com via Gcc-bugs
• 2026/04/25 [Bug fortran/125016] Complex designator syntax error in OpenMP construct ivan.pribec at gmail dot com via Gcc-bugs
• 2026/04/25 [Bug c/124303] C23: redeclaration of struct with function pointer with const pointer to struct as argument cvs-commit at gcc dot gnu.org via Gcc-bugs
• 2026/04/25 [Bug c/81453] relational expression involving null pointer not diagnosed with -Wall heiko at hexco dot de via Gcc-bugs
• 2026/04/25 [Bug tree-optimization/125018] ICE on valid code at -O{2,3} with " on x86_64-linux-gnu: verify_ssa failed zhendong.su at inf dot ethz.ch via Gcc-bugs
• 2026/04/25 [Bug tree-optimization/125019] New: ICE on valid code at -O{2,3} with "-fno-vect-cost-model -fno-tree-dce -fno-tree-pre" on x86_64-linux-gnu: Segmentation fault zhendong.su at inf dot ethz.ch via Gcc-bugs
• 2026/04/25 [Bug tree-optimization/125018] New: ICE on valid code at -O{2,3} with " on x86_64-linux-gnu: verify_ssa failed zhendong.su at inf dot ethz.ch via Gcc-bugs
• 2026/04/25 [Bug ipa/125015] alias attribute does not diagnose mismatched type/size/alignment as documented rguenth at gcc dot gnu.org via Gcc-bugs
• 2026/04/25 [Bug c++/125017] New: ICE-on-invalid in type_dependent_expression_p on lambda with const undeclared argument type someone12469 at gmail dot com via Gcc-bugs
• 2026/04/24 [Bug tree-optimization/122678] simple_dce_from_worklist does not handle semi-simple cycles pinskia at gcc dot gnu.org via Gcc-bugs
• 2026/04/24 [Bug fortran/125016] Complex designator syntax error in OpenMP construct jakub at gcc dot gnu.org via Gcc-bugs
• 2026/04/24 [Bug debug/39436] g++ does not emit DW_TAG_try_block or DW_TAG_catch_block pinskia at gcc dot gnu.org via Gcc-bugs
• 2026/04/24 [Bug tree-optimization/113138] `x < ~x` can be simplified to `((signed)x) < 0` pinskia at gcc dot gnu.org via Gcc-bugs
• 2026/04/24 [Bug middle-end/106727] Missed fold / canonicalization for checking if a number is a power of 2 pinskia at gcc dot gnu.org via Gcc-bugs
• 2026/04/24 [Bug middle-end/106727] Missed fold / canonicalization for checking if a number is a power of 2 pinskia at gcc dot gnu.org via Gcc-bugs
• 2026/04/24 [Bug tree-optimization/103216] missed optimization, phiopt/vrp? pinskia at gcc dot gnu.org via Gcc-bugs
• 2026/04/24 [Bug tree-optimization/124061] niter analysis doesn't handle enum or _BitInt iterators pinskia at gcc dot gnu.org via Gcc-bugs
• 2026/04/24 [Bug tree-optimization/103216] missed optimization, phiopt/vrp? pinskia at gcc dot gnu.org via Gcc-bugs
• 2026/04/24 [Bug tree-optimization/103216] missed optimization, phiopt/vrp? pinskia at gcc dot gnu.org via Gcc-bugs
• 2026/04/24 [Bug middle-end/78115] Missed optimization for "int modulo 2^31" pinskia at gcc dot gnu.org via Gcc-bugs
• 2026/04/24 [Bug middle-end/54571] Missed optimization converting between bit sets pinskia at gcc dot gnu.org via Gcc-bugs
• 2026/04/24 [Bug tree-optimization/82450] loop flattening should be done pinskia at gcc dot gnu.org via Gcc-bugs
• 2026/04/24 [Bug tree-optimization/118680] (smaller_type)MAX_EXPR<(larger_type)a, (larger_type)b> -> MAX_EXPR<a, b> where smaller_type is the same as a/b types and smaller/larger type have the same sign pinskia at gcc dot gnu.org via Gcc-bugs
• 2026/04/24 [Bug tree-optimization/113131] `((A&B)^C)|B` should be simplified to `C | B` pinskia at gcc dot gnu.org via Gcc-bugs
• 2026/04/24 [Bug tree-optimization/122989] some force_gimple_operand_gsi in tree-strlen.cc should be replaced by gimple_build/gimple_convert pinskia at gcc dot gnu.org via Gcc-bugs
• 2026/04/24 [Bug tree-optimization/64567] missed optimization: redundant test before clearing bit(s) pinskia at gcc dot gnu.org via Gcc-bugs
• 2026/04/24 [Bug tree-optimization/64567] missed optimization: redundant test before clearing bit(s) cvs-commit at gcc dot gnu.org via Gcc-bugs
• 2026/04/24 [Bug tree-optimization/122989] some force_gimple_operand_gsi in tree-strlen.cc should be replaced by gimple_build/gimple_convert cvs-commit at gcc dot gnu.org via Gcc-bugs
• 2026/04/24 [Bug c++/118829] [modules] ICE in add_indirects emitting template typedef struct ppalka at gcc dot gnu.org via Gcc-bugs
• 2026/04/24 [Bug c++/124582] Conflicting imported declaration with both modules and reflection enabled ppalka at gcc dot gnu.org via Gcc-bugs
• 2026/04/24 [Bug target/124984] ICE: RTL check: expected code 'const_int', have 'reg' in th_memidx_classify_address_index, at config/riscv/thead.cc:681 law at gcc dot gnu.org via Gcc-bugs
• 2026/04/24 [Bug target/124984] ICE: RTL check: expected code 'const_int', have 'reg' in th_memidx_classify_address_index, at config/riscv/thead.cc:681 cvs-commit at gcc dot gnu.org via Gcc-bugs
• 2026/04/24 [Bug tree-optimization/94892] (x >> 31) + 1 not getting narrowed to compare pinskia at gcc dot gnu.org via Gcc-bugs
• 2026/04/24 [Bug tree-optimization/94893] Sign function not getting optimized to simple compare pinskia at gcc dot gnu.org via Gcc-bugs
• 2026/04/24 [Bug tree-optimization/94892] (x >> 31) + 1 not getting narrowed to compare pinskia at gcc dot gnu.org via Gcc-bugs
• 2026/04/24 [Bug fortran/125016] Complex designator syntax error in OpenMP construct ivan.pribec at gmail dot com via Gcc-bugs
• 2026/04/24 [Bug fortran/125016] Complex designator syntax error in OpenMP construct ivan.pribec at gmail dot com via Gcc-bugs
• 2026/04/24 [Bug fortran/125016] Complex designator syntax error in OpenMP construct jakub at gcc dot gnu.org via Gcc-bugs
• 2026/04/24 [Bug rtl-optimization/80770] suboptimal code negating a 1-bit _Bool field cvs-commit at gcc dot gnu.org via Gcc-bugs
• 2026/04/24 [Bug fortran/117070] Procedure target error with parameter structure constructor ivan.pribec at gmail dot com via Gcc-bugs
• 2026/04/24 [Bug fortran/125016] New: Complex designator syntax error in OpenMP construct ivan.pribec at gmail dot com via Gcc-bugs
• 2026/04/24 [Bug c++/103888] ICE with global register definition after use pinskia at gcc dot gnu.org via Gcc-bugs
• 2026/04/24 [Bug libfortran/93727] Fortran 2018: EX edit descriptor anlauf at gcc dot gnu.org via Gcc-bugs
• 2026/04/24 [Bug c++/103888] ICE with global register definition after use mpolacek at gcc dot gnu.org via Gcc-bugs
• 2026/04/24 [Bug target/120144] [15/16 Regression] ICE when building libstdc++ on mips64-elf pinskia at gcc dot gnu.org via Gcc-bugs
• 2026/04/24 [Bug target/120144] [15/16/17 Regression] ICE when building libstdc++ on mips64-elf cvs-commit at gcc dot gnu.org via Gcc-bugs
• 2026/04/24 [Bug tree-optimization/112659] missed-optimization: if (exp) return exp; else return 0; pinskia at gcc dot gnu.org via Gcc-bugs
• 2026/04/24 [Bug tree-optimization/122996] Missed optimisation for branch folding with unsigned arithmetic wraparound pinskia at gcc dot gnu.org via Gcc-bugs
• 2026/04/24 [Bug tree-optimization/123966] Eliminate atomic relaxed memory order load with unused result pinskia at gcc dot gnu.org via Gcc-bugs
• 2026/04/24 [Bug middle-end/103065] [meta] atomic operations aren't optimized pinskia at gcc dot gnu.org via Gcc-bugs
• 2026/04/24 [Bug middle-end/26163] [meta-bug] missed optimization in SPEC (2026, 2k17, 2k and 2k6 and 95) pinskia at gcc dot gnu.org via Gcc-bugs
• 2026/04/24 [Bug tree-optimization/123966] Eliminate atomic relaxed memory order load with unused result cvs-commit at gcc dot gnu.org via Gcc-bugs
• 2026/04/24 [Bug tree-optimization/125013] False maybe-uninitialized wrapping std::optional pinskia at gcc dot gnu.org via Gcc-bugs
• 2026/04/24 [Bug libfortran/93727] Fortran 2018: EX edit descriptor tkoenig at gcc dot gnu.org via Gcc-bugs
• 2026/04/24 [Bug c++/125015] alias attribute does not diagnose mismatched type/size/alignment as documented pinskia at gcc dot gnu.org via Gcc-bugs
• 2026/04/24 Re: quick question Coach Tarek via Gcc-bugs
• 2026/04/24 [Bug fortran/124934] [fortran][doc] undocumented -Wextra warning "Assignment to contiguous pointer from non-contiguous target" kargl at gcc dot gnu.org via Gcc-bugs
• 2026/04/24 [Bug c/124832] Missing constraint diagnostic for string literal initializer targeting a char subobject reached via designator grant at kestrel dot edu via Gcc-bugs
• 2026/04/24 [Bug c++/124981] [modules] Undefined reference in the presence of template instantiation ppalka at gcc dot gnu.org via Gcc-bugs
• 2026/04/24 [Bug c++/124953] [modules] recursive lazy load / failed to load pendings for ... ppalka at gcc dot gnu.org via Gcc-bugs
• 2026/04/24 [Bug c++/124582] Conflicting imported declaration with both modules and reflection enabled ppalka at gcc dot gnu.org via Gcc-bugs
• 2026/04/24 [Bug c++/124981] [modules] Undefined reference in the presence of template instantiation d7d1cd at mail dot ru via Gcc-bugs
• 2026/04/24 [Bug c++/125015] New: alias attribute does not diagnose mismatched type/size/alignment as documented kartik7ohlan at gmail dot com via Gcc-bugs
• 2026/04/24 [Bug c++/125007] [reflection] static_assert error message treats a reflection of an annotation as a reflection of constant jakub at gcc dot gnu.org via Gcc-bugs
• 2026/04/24 [Bug target/124870] [15/16/17 regression] arm: MVE load/store with writeback intrinsics do not model memory accesses clyon at gcc dot gnu.org via Gcc-bugs
• 2026/04/24 [Bug c++/124241] [reflection] internal compiler error: in friend_accessible_p, at cp/search.cc:817 chzn at mail dot ustc.edu.cn via Gcc-bugs
• 2026/04/24 [Bug target/123839] riscv: Optimize constant permute to slidedown + slideup. law at gcc dot gnu.org via Gcc-bugs
• 2026/04/24 [Bug target/123839] riscv: Optimize constant permute to slidedown + slideup. cvs-commit at gcc dot gnu.org via Gcc-bugs
• 2026/04/24 [Bug tree-optimization/124988] wrong code with __builtin_mul_overflow() and shift of _BitInt() on riscv law at gcc dot gnu.org via Gcc-bugs
• 2026/04/24 [Bug target/124133] [14/15/16 Regression] ICE in decompose, at wide-int.h:1049 on powerpc64le-linux-gnu since r14-4793 jakub at gcc dot gnu.org via Gcc-bugs
• 2026/04/24 [Bug target/124133] [14/15/16/17 Regression] ICE in decompose, at wide-int.h:1049 on powerpc64le-linux-gnu since r14-4793 cvs-commit at gcc dot gnu.org via Gcc-bugs
• 2026/04/24 [Bug middle-end/122234] attribute assume should be used to peel off part of the first N iterations of the loop manu at gcc dot gnu.org via Gcc-bugs
• 2026/04/24 [Bug tree-optimization/124988] wrong code with __builtin_mul_overflow() and shift of _BitInt() on riscv jakub at gcc dot gnu.org via Gcc-bugs
• 2026/04/24 [Bug middle-end/123635] _BitInt bitint_extended vs. abi_limb_prec > limb_prec or even just bitint_extended cvs-commit at gcc dot gnu.org via Gcc-bugs
• 2026/04/24 [Bug tree-optimization/124988] wrong code with __builtin_mul_overflow() and shift of _BitInt() on riscv cvs-commit at gcc dot gnu.org via Gcc-bugs
• 2026/04/24 [Bug analyzer/125014] Extra gcc.dg/plugin test failures jakub at gcc dot gnu.org via Gcc-bugs
• 2026/04/24 [Bug testsuite/124872] FAIL: gcc.dg/plugin/crash-test-nested-*.c jakub at gcc dot gnu.org via Gcc-bugs
• 2026/04/24 [Bug c++/125013] False maybe-uninitialized wrapping std::optional ppalka at gcc dot gnu.org via Gcc-bugs
• 2026/04/24 [Bug target/124998] Missed optimization in RISCV, useless stack pointer operation gregory.trunde at tdk dot com via Gcc-bugs
• 2026/04/24 [Bug analyzer/125014] Extra gcc.dg/plugin test failures rguenth at gcc dot gnu.org via Gcc-bugs
• 2026/04/24 [Bug analyzer/125014] New: Extra gcc.dg/plugin test failures hjl.tools at gmail dot com via Gcc-bugs
• 2026/04/24 [Bug tree-optimization/119187] vectorizer should be able to SLP already vectorized code tnfchris at gcc dot gnu.org via Gcc-bugs
• 2026/04/24 [Bug target/125009] [17 Regression] ICE on bootstrap in -m32 on i686-linux during RTL pass: x86_cse since r17-33-g5df64ae7fe7904 hjl.tools at gmail dot com via Gcc-bugs
• 2026/04/24 [Bug target/125009] [17 Regression] ICE on bootstrap in -m32 on i686-linux during RTL pass: x86_cse since r17-33-g5df64ae7fe7904 cvs-commit at gcc dot gnu.org via Gcc-bugs
• 2026/04/24 [Bug tree-optimization/124843] vectorize logical not of bool vector rguenth at gcc dot gnu.org via Gcc-bugs
• 2026/04/24 [Bug tree-optimization/53947] [meta-bug] vectorizer missed-optimizations rguenth at gcc dot gnu.org via Gcc-bugs
• 2026/04/24 [Bug tree-optimization/124843] vectorize logical not of bool vector cvs-commit at gcc dot gnu.org via Gcc-bugs
• 2026/04/24 [Bug c++/125013] False maybe-uninitialized wrapping std::optional rguenth at gcc dot gnu.org via Gcc-bugs
• 2026/04/24 [Bug fortran/125012] Associate with array expression of hidden type ivan.pribec at gmail dot com via Gcc-bugs
• 2026/04/24 [Bug c++/125013] New: False maybe-uninitialized wrapping std::optional jesper at arista dot com via Gcc-bugs
• 2026/04/24 [Bug fortran/125012] New: Associate with array expression of hidden type ivan.pribec at gmail dot com via Gcc-bugs
• 2026/04/24 [Bug target/125009] [17 Regression] ICE on bootstrap in -m32 on i686-linux during RTL pass: x86_cse since r17-33-g5df64ae7fe7904 slyfox at gcc dot gnu.org via Gcc-bugs
• 2026/04/24 [Bug c++/125011] New: ICE in tsubst at cp/pt.cc:17105 when using variable template in post contract of function template (-fcontracts) jameslimbj at gmail dot com via Gcc-bugs
• 2026/04/24 [Bug c++/125008] array member with consteval copy constructor generates missing symbol pinskia at gcc dot gnu.org via Gcc-bugs
• 2026/04/24 [Bug testsuite/125003] [17 Regression] Many testsuite failures due to ieee.exp using DEFAULT_CFLAGS which might be set or might not be set pinskia at gcc dot gnu.org via Gcc-bugs
• 2026/04/24 [Bug testsuite/125003] [17 Regression] Many testsuite failures due to ieee.exp using DEFAULT_CFLAGS which might be set or might not be set cvs-commit at gcc dot gnu.org via Gcc-bugs
• 2026/04/24 [Bug tree-optimization/122996] Missed optimisation for branch folding with unsigned arithmetic wraparound cvs-commit at gcc dot gnu.org via Gcc-bugs
• 2026/04/24 [Bug ipa/120098] [13/14/15 Regression] g++.dg/lto/devirt-23 FAILs since r16-372-g064cac730f88dc rguenth at gcc dot gnu.org via Gcc-bugs
• 2026/04/24 [Bug target/125009] [17 Regression] ICE on bootstrap in -m32 on i686-linux during RTL pass: x86_cse since r17-33-g5df64ae7fe7904 hjl.tools at gmail dot com via Gcc-bugs
• 2026/04/24 [Bug tree-optimization/125010] `(a<<1)+2)|1` can be simplified to (a<<1)+3 rguenth at gcc dot gnu.org via Gcc-bugs
• 2026/04/24 [Bug tree-optimization/125010] `(a<<1)+2)|1` can be simplified to (a<<1)+3 rguenth at gcc dot gnu.org via Gcc-bugs
• 2026/04/24 [Bug target/125009] [17 Regression] ICE on bootstrap in -m32 on i686-linux during RTL pass: x86_cse since r17-33-g5df64ae7fe7904 rguenth at gcc dot gnu.org via Gcc-bugs
• 2026/04/24 [Bug libfortran/125005] [16/17 Regression] gfortran.dg/coarray/failed_images_2.f08, image_status_2.f08, stopped_images_2.f08 rguenth at gcc dot gnu.org via Gcc-bugs
• 2026/04/24 [Bug middle-end/118443] [Meta bug] Bugs triggered by and blocking more smtgcc testing rguenth at gcc dot gnu.org via Gcc-bugs
• 2026/04/24 [Bug middle-end/118443] [Meta bug] Bugs triggered by and blocking more smtgcc testing rguenth at gcc dot gnu.org via Gcc-bugs
• 2026/04/24 [Bug tree-optimization/124947] ivopts introduces use of an uninitialized variable rguenth at gcc dot gnu.org via Gcc-bugs
• 2026/04/24 [Bug tree-optimization/124946] New signed overflow introduced by vectorization with -march=x86-64-v4 rguenth at gcc dot gnu.org via Gcc-bugs
• 2026/04/24 [Bug tree-optimization/124947] ivopts introduces use of an uninitialized variable rguenth at gcc dot gnu.org via Gcc-bugs
• 2026/04/24 [Bug tree-optimization/124947] ivopts introduces use of an uninitialized variable cvs-commit at gcc dot gnu.org via Gcc-bugs
• 2026/04/24 [Bug tree-optimization/124946] New signed overflow introduced by vectorization with -march=x86-64-v4 cvs-commit at gcc dot gnu.org via Gcc-bugs
• 2026/04/23 [Bug tree-optimization/125010] `(a<<1)+2)|1` can be simplified to (a<<1)+3 pinskia at gcc dot gnu.org via Gcc-bugs

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