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• 2026/05/13 [Bug tree-optimization/51513] Only partially optimizes away __builtin_unreachable switch default case pinskia at gcc dot gnu.org via Gcc-bugs
• 2026/05/13 [Bug tree-optimization/92985] missed optimization opportunity for switch linear transformation pinskia at gcc dot gnu.org via Gcc-bugs
• 2026/05/13 [Bug c++/123536] [16/17 Regression] ICE in mark_use with lambda reference to a global without captures inside a template mpolacek at gcc dot gnu.org via Gcc-bugs
• 2026/05/13 [Bug c/124533] musttail: __attribute__ syntax behavior differs in odd ways from [[gnu::musttail]] andi-gcc at firstfloor dot org via Gcc-bugs
• 2026/05/13 [Bug tree-optimization/51513] Only partially optimizes away __builtin_unreachable switch default case pinskia at gcc dot gnu.org via Gcc-bugs
• 2026/05/13 [Bug c++/123536] [16/17 Regression] ICE in mark_use with lambda reference to a global without captures inside a template mpolacek at gcc dot gnu.org via Gcc-bugs
• 2026/05/13 [Bug preprocessor/109877] is `10.1.0` a valid token sequence? iains at gcc dot gnu.org via Gcc-bugs
• 2026/05/13 [Bug tree-optimization/124838] __builtin_clzl(0) overoptimization even on targets with native lzcnt instruction pinskia at gcc dot gnu.org via Gcc-bugs
• 2026/05/13 [Bug tree-optimization/104376] Failure to optimize clz equivalent to clz pinskia at gcc dot gnu.org via Gcc-bugs
• 2026/05/13 [Bug tree-optimization/112416] absu is not detected pinskia at gcc dot gnu.org via Gcc-bugs
• 2026/05/13 [Bug middle-end/90791] optimization accepts invalid inline-asm (more operands than is specified) due to dead code pinskia at gcc dot gnu.org via Gcc-bugs
• 2026/05/13 [Bug tree-optimization/118650] `(even + unknown) & 1` is not optimized to just `unknown & 1` at gimple level pinskia at gcc dot gnu.org via Gcc-bugs
• 2026/05/13 [Bug preprocessor/109877] is `10.1.0` a valid token sequence? iains at gcc dot gnu.org via Gcc-bugs
• 2026/05/13 [Bug tree-optimization/115474] Missed optimization: fold `std::max(a > b, a)` to `a` (bool a, bool b) pinskia at gcc dot gnu.org via Gcc-bugs
• 2026/05/13 [Bug tree-optimization/114539] `__builtin_add_overflow(unsigned, b, &r); r < b` where b is a CST is not optimized to using the overflow pinskia at gcc dot gnu.org via Gcc-bugs
• 2026/05/13 [Bug tree-optimization/112356] `x == MIN & x > y` is not optimized to 0 if x was casted to signed from unsigned pinskia at gcc dot gnu.org via Gcc-bugs
• 2026/05/13 [Bug tree-optimization/98907] Failure to optimize abs pattern pinskia at gcc dot gnu.org via Gcc-bugs
• 2026/05/13 [Bug tree-optimization/110009] Another missing ABS detection pinskia at gcc dot gnu.org via Gcc-bugs
• 2026/05/13 [Bug tree-optimization/112096] `(a || b) ? a : b` should be simplified to a pinskia at gcc dot gnu.org via Gcc-bugs
• 2026/05/13 [Bug tree-optimization/125285] [16/17 Regression] -Warray-bounds false positive on PMF dispatch through a 1-byte predicate at -O3 andrew.teylu at vector dot com via Gcc-bugs
• 2026/05/13 [Bug analyzer/125304] -Wanalyzer-free-of-non-heap false positive with std::string due to CAST_REG comparison bug dmalcolm at gcc dot gnu.org via Gcc-bugs
• 2026/05/13 [Bug analyzer/125298] [17 Regression] ICE: in set, at value-range.cc:870 with -fanalyzer -ffast-math and _Atomic double kaelfandrew at gmail dot com via Gcc-bugs
• 2026/05/13 [Bug analyzer/125304] -Wanalyzer-free-of-non-heap false positive with std::string due to CAST_REG comparison bug dmalcolm at gcc dot gnu.org via Gcc-bugs
• 2026/05/13 [Bug analyzer/125304] -Wanalyzer-free-of-non-heap false positive with std::string due to CAST_REG comparison bug dmalcolm at gcc dot gnu.org via Gcc-bugs
• 2026/05/13 [Bug tree-optimization/96433] Failed to optimize (A / N) * N <= A pinskia at gcc dot gnu.org via Gcc-bugs
• 2026/05/13 [Bug analyzer/125304] -Wanalyzer-free-of-non-heap false positive with std::string due to CAST_REG comparison bug dmalcolm at gcc dot gnu.org via Gcc-bugs
• 2026/05/13 [Bug analyzer/125304] -Wanalyzer-free-of-non-heap false positive with std::string due to CAST_REG comparison bug dmalcolm at gcc dot gnu.org via Gcc-bugs
• 2026/05/13 [Bug analyzer/125304] New: -Wanalyzer-free-of-non-heap false positive with std::string due to CAST_REG comparison bug dmalcolm at gcc dot gnu.org via Gcc-bugs
• 2026/05/13 [Bug preprocessor/109877] is `10.1.0` a valid token sequence? jsm28 at gcc dot gnu.org via Gcc-bugs
• 2026/05/13 [Bug fortran/125267] [16/17 regression] segmentation fault when using -fcheck flags mikael at gcc dot gnu.org via Gcc-bugs
• 2026/05/13 [Bug target/125302] Wrong passthrough value in `_mm512_mask_reduce_{max,min}_{ps,pd}` pinskia at gcc dot gnu.org via Gcc-bugs
• 2026/05/13 [Bug fortran/125267] [16/17 regression] segmentation fault when using -fcheck flags anlauf at gcc dot gnu.org via Gcc-bugs
• 2026/05/13 [Bug fortran/125192] [16/17 Regression] Wrong out of bound detection anlauf at gcc dot gnu.org via Gcc-bugs
• 2026/05/13 [Bug tree-optimization/110922] `(a == b) & (a == c) & (b != c)` is not optimized to false pinskia at gcc dot gnu.org via Gcc-bugs
• 2026/05/13 [Bug fortran/125012] Associate with array expression of hidden type anlauf at gcc dot gnu.org via Gcc-bugs
• 2026/05/13 [Bug tree-optimization/111542] [13/14/15/16/17 Regression] (a==0)&(b==0) into `(a|b) == 0` optimization sometimes gets in the way of other optimizations pinskia at gcc dot gnu.org via Gcc-bugs
• 2026/05/13 [Bug tree-optimization/125295] UB shift is hoisted with -fsanitize=undefined pinskia at gcc dot gnu.org via Gcc-bugs
• 2026/05/13 [Bug preprocessor/109877] is `10.1.0` a valid token sequence? iains at gcc dot gnu.org via Gcc-bugs
• 2026/05/13 [Bug preprocessor/109877] need to accept invalid tokens for balanced token sequences in attribute arguments pinskia at gcc dot gnu.org via Gcc-bugs
• 2026/05/13 [Bug c++/109877] need to accept invalid tokens for balanced token sequences in attribute arguments pinskia at gcc dot gnu.org via Gcc-bugs
• 2026/05/13 [Bug c++/109877] need to accept invalid tokens for balanced token sequences in attribute arguments iains at gcc dot gnu.org via Gcc-bugs
• 2026/05/13 [Bug c++/109877] need to accept invalid tokens for balanced token sequences in attribute arguments pinskia at gcc dot gnu.org via Gcc-bugs
• 2026/05/13 [Bug c++/109877] lexing does not honour balanced token sequences in attribute arguments pinskia at gcc dot gnu.org via Gcc-bugs
• 2026/05/13 [Bug tree-optimization/125303] vector operation before shuffle produces unvectorized shuffle pinskia at gcc dot gnu.org via Gcc-bugs
• 2026/05/13 [Bug fortran/125192] [16/17 Regression] Wrong out of bound detection mikael at gcc dot gnu.org via Gcc-bugs
• 2026/05/13 [Bug fortran/125192] [16/17 Regression] Wrong out of bound detection cvs-commit at gcc dot gnu.org via Gcc-bugs
• 2026/05/13 [Bug fortran/125198] [16/17 regression] Bad code generated with -fcheck=bounds cvs-commit at gcc dot gnu.org via Gcc-bugs
• 2026/05/13 [Bug c++/125300] GCC accepts invalid program involving explicitly specifying template parameter type ppalka at gcc dot gnu.org via Gcc-bugs
• 2026/05/13 [Bug rtl-optimization/121426] [hard-reg constraints] ICE: Spill fail from LRA for insn with hard-reg constraints gjl at gcc dot gnu.org via Gcc-bugs
• 2026/05/13 [Bug fortran/125154] Infinite compile time whit allocatable recursive derived type and OpenMP. anlauf at gcc dot gnu.org via Gcc-bugs
• 2026/05/13 [Bug fortran/125263] [14/15/16/17 Regression] Error with intrinsic assignment involving allocatable array of user-defined type that has an allocatable array component anlauf at gcc dot gnu.org via Gcc-bugs
• 2026/05/13 [Bug fortran/125059] Missing deallocation of derived type arrays with `write(formatted)` cvs-commit at gcc dot gnu.org via Gcc-bugs
• 2026/05/13 [Bug fortran/111952] Allocatable of derived type with DTIO is not deallocated going out of scope cvs-commit at gcc dot gnu.org via Gcc-bugs
• 2026/05/13 [Bug fortran/125095] namelist read with comments does not read data correctly cvs-commit at gcc dot gnu.org via Gcc-bugs
• 2026/05/13 [Bug libstdc++/107815] 20_util/to_chars/float128_c++23.cc FAILs redi at gcc dot gnu.org via Gcc-bugs
• 2026/05/13 [Bug testsuite/123004] [14/15 Regression] jit.dg/test-cold-attribute.c failing since r16-1575 (and backports) siddhesh at gcc dot gnu.org via Gcc-bugs
• 2026/05/13 [Bug libstdc++/107815] 20_util/to_chars/float128_c++23.cc FAILs danglin at gcc dot gnu.org via Gcc-bugs
• 2026/05/13 [Bug c++/120757] [13 Regression] ICE: in tsubst, at cp/pt.cc:16787 jason at gcc dot gnu.org via Gcc-bugs
• 2026/05/13 [Bug c++/101603] [meta-bug] pointer to member functions issues jason at gcc dot gnu.org via Gcc-bugs
• 2026/05/13 [Bug target/125215] RISC-V: Wrong code in RISC-V SLP vectorization rdapp at gcc dot gnu.org via Gcc-bugs
• 2026/05/13 [Bug c++/120757] [13 Regression] ICE: in tsubst, at cp/pt.cc:16787 cvs-commit at gcc dot gnu.org via Gcc-bugs
• 2026/05/13 [Bug tree-optimization/125303] New: vector operation before shuffle produces unvectorized shuffle lists at coryfields dot com via Gcc-bugs
• 2026/05/13 [Bug target/125215] RISC-V: Wrong code in RISC-V SLP vectorization cvs-commit at gcc dot gnu.org via Gcc-bugs
• 2026/05/13 [Bug c++/125212] ICE when using lambdas as alias template parameters ppalka at gcc dot gnu.org via Gcc-bugs
• 2026/05/13 [Bug libstdc++/98384] new test case 20_util/to_chars/long_double.cc in r11-6249 fails ro at gcc dot gnu.org via Gcc-bugs
• 2026/05/13 [Bug libstdc++/114400] The resolution of LWG3950 seems incorrectly implemented cvs-commit at gcc dot gnu.org via Gcc-bugs
• 2026/05/13 [Bug libstdc++/107815] 20_util/to_chars/float128_c++23.cc FAILs ro at CeBiTec dot Uni-Bielefeld.DE via Gcc-bugs
• 2026/05/13 [Bug c++/125268] ICE: using return type of lambda with deduced NTTP pack as a templated type alias mpolacek at gcc dot gnu.org via Gcc-bugs
• 2026/05/13 [Bug c++/125280] [reflection] -freflection flag causes incomplete type errors on class members that reference their owning type within a template class parameter mpolacek at gcc dot gnu.org via Gcc-bugs
• 2026/05/13 [Bug c++/123615] (c++-reflection) - [meta-bug] reflection issue mpolacek at gcc dot gnu.org via Gcc-bugs
• 2026/05/13 [Bug c++/125280] [reflection] -freflection flag causes incomplete type errors on class members that reference their owning type within a template class parameter cvs-commit at gcc dot gnu.org via Gcc-bugs
• 2026/05/13 [Bug c++/125280] [reflection] -freflection flag causes incomplete type errors on class members that reference their owning type within a template class parameter cvs-commit at gcc dot gnu.org via Gcc-bugs
• 2026/05/13 [Bug c++/125300] GCC accepts invalid program involving explicitly specifying template parameter type pinskia at gcc dot gnu.org via Gcc-bugs
• 2026/05/13 [Bug libstdc++/107815] 20_util/to_chars/float128_c++23.cc FAILs dave.anglin at bell dot net via Gcc-bugs
• 2026/05/13 [Bug c++/109877] lexing does not honour balanced token sequences in attribute arguments iains at gcc dot gnu.org via Gcc-bugs
• 2026/05/13 [Bug libstdc++/107815] 20_util/to_chars/float128_c++23.cc FAILs redi at gcc dot gnu.org via Gcc-bugs
• 2026/05/13 [Bug middle-end/90302] Implement __builtin_warning pault at gcc dot gnu.org via Gcc-bugs
• 2026/05/13 [Bug fortran/94978] [13/14/15 Regression] Bogus warning "Array reference at (1) out of bounds in loop beginning at (2)" pault at gcc dot gnu.org via Gcc-bugs
• 2026/05/13 [Bug fortran/94978] [13/14/15 Regression] Bogus warning "Array reference at (1) out of bounds in loop beginning at (2)" cvs-commit at gcc dot gnu.org via Gcc-bugs
• 2026/05/13 [Bug fortran/94978] [13/14/15 Regression] Bogus warning "Array reference at (1) out of bounds in loop beginning at (2)" cvs-commit at gcc dot gnu.org via Gcc-bugs
• 2026/05/13 [Bug target/111768] X86: -march=native does not support alder lake big.little cache infor correctly amonakov at gcc dot gnu.org via Gcc-bugs
• 2026/05/13 [Bug tree-optimization/125295] UB shift is hoisted with -fsanitize=undefined rguenth at gcc dot gnu.org via Gcc-bugs
• 2026/05/13 [Bug tree-optimization/125296] forwprop increases alignment requirements rguenth at gcc dot gnu.org via Gcc-bugs
• 2026/05/13 [Bug fortran/94978] [13/14/15 Regression] Bogus warning "Array reference at (1) out of bounds in loop beginning at (2)" cvs-commit at gcc dot gnu.org via Gcc-bugs
• 2026/05/13 [Bug libstdc++/119739] [C++26] Implement P0952R2, A new specification for std::generate_canonical cvs-commit at gcc dot gnu.org via Gcc-bugs
• 2026/05/13 [Bug target/111768] X86: -march=native does not support alder lake big.little cache infor correctly flashmozzg at gmail dot com via Gcc-bugs
• 2026/05/13 [Bug c++/125108] [reflection] template_arguments_of gives underlying entity of alias template ppalka at gcc dot gnu.org via Gcc-bugs
• 2026/05/13 [Bug libstdc++/107815] 20_util/to_chars/float128_c++23.cc FAILs ro at CeBiTec dot Uni-Bielefeld.DE via Gcc-bugs
• 2026/05/13 [Bug tree-optimization/125295] UB shift is hoisted with -fsanitize=undefined kristerw at gcc dot gnu.org via Gcc-bugs
• 2026/05/13 [Bug fortran/93832] [13/14/15 Regression] ICE in gfc_convert_to_structure_constructor, at fortran/primary.c:3100 pault at gcc dot gnu.org via Gcc-bugs
• 2026/05/13 [Bug target/125302] New: Wrong passthrough value in `_mm512_mask_reduce_{max,min}_{ps,pd}` sayantn05 at gmail dot com via Gcc-bugs
• 2026/05/13 [Bug fortran/93832] [13/14/15 Regression] ICE in gfc_convert_to_structure_constructor, at fortran/primary.c:3100 cvs-commit at gcc dot gnu.org via Gcc-bugs
• 2026/05/13 [Bug fortran/93832] [13/14/15 Regression] ICE in gfc_convert_to_structure_constructor, at fortran/primary.c:3100 cvs-commit at gcc dot gnu.org via Gcc-bugs
• 2026/05/13 [Bug fortran/27436] gfortran: Abort compiling if there are insufficient data descriptors in format after reversion pault at gcc dot gnu.org via Gcc-bugs
• 2026/05/13 [Bug c++/33506] [4.2 Regression] TYPE_RAISES_EXCEPTIONS dumped with attributes pault at gcc dot gnu.org via Gcc-bugs
• 2026/05/13 [Bug fortran/31392] [meta-bug] gfortran problems with initialization pault at gcc dot gnu.org via Gcc-bugs
• 2026/05/13 [Bug fortran/30932] [meta-bug] fortran intrinsics pault at gcc dot gnu.org via Gcc-bugs
• 2026/05/13 [Bug fortran/25095] Disallowed intrinsic in initialization statement pault at gcc dot gnu.org via Gcc-bugs
• 2026/05/13 [Bug target/32803] -Os: shorter load immediates for x86_64 cvs-commit at gcc dot gnu.org via Gcc-bugs
• 2026/05/13 [Bug middle-end/122871] [13/14/15/16/17 Regression] de-optimized synthesis of long long shift and add cvs-commit at gcc dot gnu.org via Gcc-bugs
• 2026/05/13 [Bug fortran/93832] [13/14/15 Regression] ICE in gfc_convert_to_structure_constructor, at fortran/primary.c:3100 cvs-commit at gcc dot gnu.org via Gcc-bugs
• 2026/05/13 [Bug target/120870] [16/17 regression] CPython miscompiled with preserve_none and CFLAGS="-O2 -march=znver2 -ggdb3" sjames at gcc dot gnu.org via Gcc-bugs
• 2026/05/13 [Bug libstdc++/107815] 20_util/to_chars/float128_c++23.cc FAILs ro at CeBiTec dot Uni-Bielefeld.DE via Gcc-bugs
• 2026/05/13 [Bug c++/109877] Support for clang-style attributes is needed to parse Darwin SDK headers properly iains at gcc dot gnu.org via Gcc-bugs
• 2026/05/13 [Bug libstdc++/107538] std::pow(10, std::complex(NaN, 1)) aborts with -D_GLIBCXX_ASSERTIONS redi at gcc dot gnu.org via Gcc-bugs
• 2026/05/13 [Bug libstdc++/107815] 20_util/to_chars/float128_c++23.cc FAILs redi at gcc dot gnu.org via Gcc-bugs
• 2026/05/13 [Bug libstdc++/107816] 29_atomics/atomic/compare_exchange_padding.cc etc. FAIL redi at gcc dot gnu.org via Gcc-bugs
• 2026/05/13 [Bug libstdc++/109857] Debian stable's tzdata 2021a has bad data that cannot be parsed by libstdc++ redi at gcc dot gnu.org via Gcc-bugs
• 2026/05/13 [Bug libstdc++/109857] Debian stable's tzdata 2021a has bad data that cannot be parsed by libstdc++ redi at gcc dot gnu.org via Gcc-bugs
• 2026/05/13 [Bug libstdc++/122661] Incorrect value category handling in forward_list::assign redi at gcc dot gnu.org via Gcc-bugs
• 2026/05/13 [Bug libstdc++/111163] signed integer overflow in std::format("{:%S}",std::chrono::duration....) redi at gcc dot gnu.org via Gcc-bugs
• 2026/05/13 [Bug libstdc++/114018] std::nexttoward is not implemented for C++23-FP-Types redi at gcc dot gnu.org via Gcc-bugs
• 2026/05/13 [Bug fortran/93814] [13/14/15 Regression] ICE in build_entry_thunks, at fortran/trans-decl.c:2898 pault at gcc dot gnu.org via Gcc-bugs
• 2026/05/13 [Bug libstdc++/118665] [13/14/15/16 Regression] std::uniform_int_distribution infinite loop with generator returning 0 redi at gcc dot gnu.org via Gcc-bugs
• 2026/05/13 [Bug c++/109877] Support for clang-style attributes is needed to parse Darwin SDK headers properly iains at gcc dot gnu.org via Gcc-bugs
• 2026/05/13 [Bug c++/109877] Support for clang-style attributes is needed to parse Darwin SDK headers properly iains at gcc dot gnu.org via Gcc-bugs
• 2026/05/13 [Bug libstdc++/118665] [13/14/15/16 Regression] std::uniform_int_distribution infinite loop with generator returning 0 redi at gcc dot gnu.org via Gcc-bugs
• 2026/05/13 [Bug target/125049] [loongarch] SSP fallback leaves __stack_chk_guard live in $r12 at `jr $r1` cvs-commit at gcc dot gnu.org via Gcc-bugs
• 2026/05/13 [Bug fortran/93814] [13/14/15 Regression] ICE in build_entry_thunks, at fortran/trans-decl.c:2898 cvs-commit at gcc dot gnu.org via Gcc-bugs
• 2026/05/13 [Bug c++/125300] GCC accepts invalid program involving explicitly specifying template parameter type jlame646 at gmail dot com via Gcc-bugs
• 2026/05/13 [Bug fortran/93814] [13/14/15 Regression] ICE in build_entry_thunks, at fortran/trans-decl.c:2898 cvs-commit at gcc dot gnu.org via Gcc-bugs
• 2026/05/13 [Bug tree-optimization/125291] [16/17 Regression] libarchive-3.8.7 miscompiled on loongarch64-linux-gnu since r16-3562 xry111 at gcc dot gnu.org via Gcc-bugs
• 2026/05/13 [Bug fortran/93814] [13/14/15 Regression] ICE in build_entry_thunks, at fortran/trans-decl.c:2898 cvs-commit at gcc dot gnu.org via Gcc-bugs
• 2026/05/13 [Bug analyzer/125298] [17 Regression] ICE: in set, at value-range.cc:870 with -fanalyzer -ffast-math and _Atomic double rguenth at gcc dot gnu.org via Gcc-bugs
• 2026/05/13 [Bug tree-optimization/125296] forwprop increases alignment requirements rguenth at gcc dot gnu.org via Gcc-bugs
• 2026/05/13 [Bug c++/120635] Support something like [[clang::no_specializations]] attribute tkaminsk at gcc dot gnu.org via Gcc-bugs
• 2026/05/13 [Bug tree-optimization/125295] UB shift is hoisted with -fsanitize=undefined rguenth at gcc dot gnu.org via Gcc-bugs
• 2026/05/13 [Bug fortran/93715] [13/14/15 Regression] ICE in gfc_trans_auto_array_allocation, at fortran/trans-array.c:6320 pault at gcc dot gnu.org via Gcc-bugs
• 2026/05/13 [Bug fortran/93715] [13/14/15 Regression] ICE in gfc_trans_auto_array_allocation, at fortran/trans-array.c:6320 cvs-commit at gcc dot gnu.org via Gcc-bugs
• 2026/05/13 [Bug middle-end/125293] equivalent loops, different vectorization rguenth at gcc dot gnu.org via Gcc-bugs
• 2026/05/13 [Bug target/125049] [loongarch] SSP fallback leaves __stack_chk_guard live in $r12 at `jr $r1` 220245569 at seu dot edu.cn via Gcc-bugs
• 2026/05/13 [Bug libstdc++/118665] [13/14/15/16 Regression] std::uniform_int_distribution infinite loop with generator returning 0 redi at gcc dot gnu.org via Gcc-bugs
• 2026/05/13 [Bug fortran/93715] [13/14/15 Regression] ICE in gfc_trans_auto_array_allocation, at fortran/trans-array.c:6320 cvs-commit at gcc dot gnu.org via Gcc-bugs
• 2026/05/13 [Bug middle-end/125266] default_function_abi may not be the default function ABI rsandifo at gcc dot gnu.org via Gcc-bugs
• 2026/05/13 [Bug tree-optimization/125291] [16/17 Regression] libarchive-3.8.7 miscompiled on loongarch64-linux-gnu since r16-3562 rguenth at gcc dot gnu.org via Gcc-bugs
• 2026/05/13 [Bug tree-optimization/125291] [16/17 Regression] libarchive-3.8.7 miscompiled on loongarch64-linux-gnu since r16-3562 rguenth at gcc dot gnu.org via Gcc-bugs
• 2026/05/13 [Bug tree-optimization/125290] [16/17 Regression] ICE at -O3 during GIMPLE pass: ifcvt rguenth at gcc dot gnu.org via Gcc-bugs
• 2026/05/13 [Bug tree-optimization/125285] [16/17 Regression] -Warray-bounds false positive on PMF dispatch through a 1-byte predicate at -O3 rguenth at gcc dot gnu.org via Gcc-bugs
• 2026/05/13 [Bug target/122665] On rs6000 target define_insn pattern seems to be incorrect for [su]mul_highpart cvs-commit at gcc dot gnu.org via Gcc-bugs
• 2026/05/13 [Bug middle-end/125266] default_function_abi may not be the default function ABI hjl.tools at gmail dot com via Gcc-bugs
• 2026/05/13 [Bug middle-end/125266] default_function_abi may not be the default function ABI rsandifo at gcc dot gnu.org via Gcc-bugs
• 2026/05/13 [Bug target/124798] no_caller_saved_registers attribute vs. spills in the caller hjl.tools at gmail dot com via Gcc-bugs
• 2026/05/13 [Bug target/120870] [16/17 regression] CPython miscompiled with preserve_none and CFLAGS="-O2 -march=znver2 -ggdb3" hjl.tools at gmail dot com via Gcc-bugs
• 2026/05/13 [Bug target/120870] [16/17 regression] CPython miscompiled with preserve_none and CFLAGS="-O2 -march=znver2 -ggdb3" cvs-commit at gcc dot gnu.org via Gcc-bugs
• 2026/05/12 [Bug libstdc++/124852] std::chrono::time_zone misparses Zone UNTIL fields whose DAY uses the ON format (lastSun, Sun>=8, etc.) cvs-commit at gcc dot gnu.org via Gcc-bugs
• 2026/05/12 [Bug libstdc++/124851] std::chrono::time_zone reports wrong total offset for zones whose RULES field is a numeric DST save value cvs-commit at gcc dot gnu.org via Gcc-bugs
• 2026/05/12 [Bug tree-optimization/122976] [13 Regression] Miscompile with mixed lto/non-lto, -O3 - stack variable getting clobbered with invalid values rguenth at gcc dot gnu.org via Gcc-bugs
• 2026/05/12 [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 hs.naveen2u at gmail dot com via Gcc-bugs
• 2026/05/12 [Bug c++/125301] [modules] [MinGW] Multiple definition linker error for local static variables in exported inline functions mutativesystems at tutamail dot com via Gcc-bugs
• 2026/05/12 [Bug c++/125301] New: [modules] [MinGW] Multiple definition linker error for local static variables in exported inline functions mutativesystems at tutamail dot com via Gcc-bugs
• 2026/05/12 [Bug c/125252] [15/16/17 regression] TBAA vs struct type in C23 (notmuch miscompiled) uecker at gcc dot gnu.org via Gcc-bugs
• 2026/05/12 [Bug c++/125300] GCC rejects invalid program involving explicitlyt specifying template parameter type pinskia at gcc dot gnu.org via Gcc-bugs
• 2026/05/12 [Bug c++/125300] New: GCC rejects invalid program involving explicitlyt specifying template parameter type jlame646 at gmail dot com via Gcc-bugs
• 2026/05/12 [Bug c++/125299] Using compound requirement in default argument for non-type template parameter fails to compile pinskia at gcc dot gnu.org via Gcc-bugs
• 2026/05/12 [Bug middle-end/102202] Inefficent expansion of memset when range is [0,1] pinskia at gcc dot gnu.org via Gcc-bugs
• 2026/05/12 [Bug c/125261] _Generic -Wuseless-cast false positive uecker at gcc dot gnu.org via Gcc-bugs
• 2026/05/12 [Bug c/125261] _Generic -Wuseless-cast false positive cvs-commit at gcc dot gnu.org via Gcc-bugs
• 2026/05/12 [Bug c++/123609] [reflection] invalid annotation accepted cvs-commit at gcc dot gnu.org via Gcc-bugs
• 2026/05/12 [Bug tree-optimization/125291] [16/17 Regression] libarchive-3.8.7 miscompiled on loongarch64-linux-gnu since r16-3562 xry111 at gcc dot gnu.org via Gcc-bugs
• 2026/05/12 [Bug c++/125299] New: Using compound requirement in default argument for non-type template parameter fails to compile deltastruct47 at gmail dot com via Gcc-bugs
• 2026/05/12 [Bug analyzer/125298] [17 Regression] ICE: in set, at value-range.cc:870 with -fanalyzer -ffast-math and _Atomic double zsojka at seznam dot cz via Gcc-bugs
• 2026/05/12 [Bug analyzer/125298] New: [17 Regression] ICE: in set, at value-range.cc:870 with -fanalyzer -ffast-math and _Atomic double zsojka at seznam dot cz via Gcc-bugs
• 2026/05/12 [Bug middle-end/123286] SAT_ADD is not constant folded at the gimple level cvs-commit at gcc dot gnu.org via Gcc-bugs
• 2026/05/12 [Bug libfortran/125005] [16/17 Regression] gfortran.dg/coarray/failed_images_2.f08, image_status_2.f08, stopped_images_2.f08 hp at gcc dot gnu.org via Gcc-bugs
• 2026/05/12 [Bug libfortran/125005] [16/17 Regression] gfortran.dg/coarray/failed_images_2.f08, image_status_2.f08, stopped_images_2.f08 cvs-commit at gcc dot gnu.org via Gcc-bugs
• 2026/05/12 [Bug target/125297] New: What calling convention should be used with __attribute__ ((preserve_none, ms_abi))? hjl.tools at gmail dot com via Gcc-bugs
• 2026/05/12 [Bug tree-optimization/125296] forwprop increases alignment requirements pinskia at gcc dot gnu.org via Gcc-bugs
• 2026/05/12 [Bug tree-optimization/125295] UB shift is hoisted with -fsanitize=undefined pinskia at gcc dot gnu.org via Gcc-bugs
• 2026/05/12 [Bug c++/125292] Lookup through injected-class-name fails in type-only context for -std=c++20 mpolacek at gcc dot gnu.org via Gcc-bugs
• 2026/05/12 [Bug tree-optimization/125296] New: forwprop increases alignment requirements kristerw at gcc dot gnu.org via Gcc-bugs
• 2026/05/12 [Bug tree-optimization/125295] New: UB shift is hoisted with -fsanitize=undefined kristerw at gcc dot gnu.org via Gcc-bugs
• 2026/05/12 [Bug middle-end/123286] SAT_ADD is not constant folded at the gimple level pinskia at gcc dot gnu.org via Gcc-bugs
• 2026/05/12 [Bug middle-end/125266] default_function_abi may not be the default function ABI hjl.tools at gmail dot com via Gcc-bugs
• 2026/05/12 [Bug c++/124721] ICE in cp/name-lookup.cc:1820 when class template derives from base and has invalid using-declaration mpolacek at gcc dot gnu.org via Gcc-bugs
• 2026/05/12 [Bug middle-end/124651] ICE with -Winfinite-recursion due to recursive rather than work queue/list pinskia at gcc dot gnu.org via Gcc-bugs
• 2026/05/12 [Bug middle-end/124651] ICE with -Winfinite-recursion due to recursive rather than work queue/list cvs-commit at gcc dot gnu.org via Gcc-bugs
• 2026/05/12 [Bug tree-optimization/122976] [13/14 Regression] Miscompile with mixed lto/non-lto, -O3 - stack variable getting clobbered with invalid values cvs-commit at gcc dot gnu.org via Gcc-bugs
• 2026/05/12 [Bug c++/124584] Destructor of tuple-protocol structured binding from co_await skipped at -O1+ michael at cppalliance dot org via Gcc-bugs
• 2026/05/12 [Bug tree-optimization/110010] (a>>N) != (b>>N) is not optimized to (a^b) >= (1<<N) pinskia at gcc dot gnu.org via Gcc-bugs
• 2026/05/12 [Bug target/124701] ICE: in replace_regs, at config/aarch64/aarch64-early-ra.cc:3238 with -fnon-call-exceptions -fharden-control-flow-redundancy -mearly-ra=all and _Decimal64 zsojka at seznam dot cz via Gcc-bugs
• 2026/05/12 [Bug analyzer/125294] New: -fanalyzer increases compile time by several orders of magnitude andres at anarazel dot de via Gcc-bugs
• 2026/05/12 [Bug tree-optimization/125285] [16/17 Regression] -Warray-bounds false positive on PMF dispatch through a 1-byte predicate at -O3 pinskia at gcc dot gnu.org via Gcc-bugs
• 2026/05/12 [Bug libstdc++/100903] Bogus "zero as null pointer constant" warning (Wzero-as-null-pointer-constant) cvs-commit at gcc dot gnu.org via Gcc-bugs
• 2026/05/12 [Bug tree-optimization/125285] [16/17 Regression] -Warray-bounds false positive on PMF dispatch through a 1-byte predicate at -O3 pinskia at gcc dot gnu.org via Gcc-bugs
• 2026/05/12 [Bug tree-optimization/125285] [16/17 Regression] -Warray-bounds false positive on PMF dispatch through a 1-byte predicate at -O3 pinskia at gcc dot gnu.org via Gcc-bugs
• 2026/05/12 [Bug tree-optimization/125290] [16/17 Regression] ICE at -O3 during GIMPLE pass: ifcvt pinskia at gcc dot gnu.org via Gcc-bugs
• 2026/05/12 [Bug libstdc++/100903] Bogus "zero as null pointer constant" warning (Wzero-as-null-pointer-constant) gcc at hazardy dot de via Gcc-bugs
• 2026/05/12 [Bug middle-end/125293] New: equivalent loops, different vectorization manu at gcc dot gnu.org via Gcc-bugs
• 2026/05/12 [Bug target/125182] [16/17 Regression] libgcc/config/aarch64/cpuinfo.c now presumes linux ABI's AT_HWCAP, other ABI's need not match jhb at FreeBSD dot org via Gcc-bugs
• 2026/05/12 [Bug c++/125292] Lookup through injected-class-name fails in type-only context for -std=c++20 pinskia at gcc dot gnu.org via Gcc-bugs
• 2026/05/12 [Bug c++/125292] Lookup through injected-class-name fails in type-only context for -std=c++20 pinskia at gcc dot gnu.org via Gcc-bugs
• 2026/05/12 [Bug c++/125292] New: Lookup through injected-class-name fails in type-only context herring at lanl dot gov via Gcc-bugs
• 2026/05/12 [Bug fortran/93715] [13/14/15 Regression] ICE in gfc_trans_auto_array_allocation, at fortran/trans-array.c:6320 cvs-commit at gcc dot gnu.org via Gcc-bugs
• 2026/05/12 [Bug fortran/101760] [13/14/15 Regression] ICE in make_ssa_name_fn, at tree-ssanames.c:290 since r12-1319-gd4d38135b3137f1d pault at gcc dot gnu.org via Gcc-bugs
• 2026/05/12 [Bug fortran/102314] [13/14/15/16 Regression] ICE in verify_ssa, at tree-ssa.c:1076 since r12-1319-gd4d38135b3137f1d – with deferred-length character variable cvs-commit at gcc dot gnu.org via Gcc-bugs
• 2026/05/12 [Bug fortran/101760] [13/14/15 Regression] ICE in make_ssa_name_fn, at tree-ssanames.c:290 since r12-1319-gd4d38135b3137f1d cvs-commit at gcc dot gnu.org via Gcc-bugs
• 2026/05/12 [Bug tree-optimization/125290] [16/17 Regression] ICE at -O3 during GIMPLE pass: ifcvt pinskia at gcc dot gnu.org via Gcc-bugs
• 2026/05/12 [Bug c++/125280] [reflection] -freflection flag causes incomplete type errors on class members that reference their owning type within a template class parameter mpolacek at gcc dot gnu.org via Gcc-bugs
• 2026/05/12 [Bug tree-optimization/125291] [16/17 Regression] libarchive-3.8.7 miscompiled on loongarch64-linux-gnu since r16-3562 xry111 at gcc dot gnu.org via Gcc-bugs
• 2026/05/12 [Bug tree-optimization/125291] [16/17 Regression] libarchive-3.8.7 miscompiled on loongarch64-linux-gnu since r16-3562 xry111 at gcc dot gnu.org via Gcc-bugs

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