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• 2026/09/14 [Bug c++/124925] -freflection slows down compilation (of e.g. stdc++.h) by about 20% mpolacek at gcc dot gnu.org via Gcc-bugs
• 2026/09/14 [Bug c/127383] [C23 _BitInt] wrong code for complement of unsigned _BitInt(63) converted to unsigned long long jakub at gcc dot gnu.org via Gcc-bugs
• 2026/09/14 [Bug libstdc++/127220] <format>: clang rejects every dynamic width or precision ("{:{}}") in C++26 mode: __check_dynamic_spec is instantiated before its definition cvs-commit at gcc dot gnu.org via Gcc-bugs
• 2026/09/14 [Bug c++/127282] [[assume]]: a nested assumption's side effects are not rolled back during constant evaluation cvs-commit at gcc dot gnu.org via Gcc-bugs
• 2026/09/14 [Bug c++/127389] GCC still rejects using the address of a non-first array element as constant template argument mpolacek at gcc dot gnu.org via Gcc-bugs
• 2026/09/14 [Bug c++/126017] internal compiler error: tree code 'meta_type' is not supported in LTO streams jakub at gcc dot gnu.org via Gcc-bugs
• 2026/09/14 [Bug c++/126017] internal compiler error: tree code 'meta_type' is not supported in LTO streams mpolacek at gcc dot gnu.org via Gcc-bugs
• 2026/09/14 [Bug c++/126017] internal compiler error: tree code 'meta_type' is not supported in LTO streams jakub at gcc dot gnu.org via Gcc-bugs
• 2026/09/14 [Bug libstdc++/127220] <format>: clang rejects every dynamic width or precision ("{:{}}") in C++26 mode: __check_dynamic_spec is instantiated before its definition tkaminsk at gcc dot gnu.org via Gcc-bugs
• 2026/09/14 [Bug c++/126017] internal compiler error: tree code 'meta_type' is not supported in LTO streams mpolacek at gcc dot gnu.org via Gcc-bugs
• 2026/09/14 [Bug c++/126017] internal compiler error: tree code 'meta_type' is not supported in LTO streams jakub at gcc dot gnu.org via Gcc-bugs
• 2026/09/14 [Bug c++/126017] internal compiler error: tree code 'meta_type' is not supported in LTO streams mpolacek at gcc dot gnu.org via Gcc-bugs
• 2026/09/14 [Bug c++/126017] internal compiler error: tree code 'meta_type' is not supported in LTO streams jakub at gcc dot gnu.org via Gcc-bugs
• 2026/09/14 [Bug c++/126137] [reflection] ICE on assigment std::tuple to constexpr structured binding pack jakub at gcc dot gnu.org via Gcc-bugs
• 2026/09/14 [Bug target/125389] ICE if compile __builtin_vsx_xvtlsbb_all_ones with -mno-vsx kishan at gcc dot gnu.org via Gcc-bugs
• 2026/09/14 [Bug c++/123615] (c++-reflection) - [meta-bug] reflection issue mpolacek at gcc dot gnu.org via Gcc-bugs
• 2026/09/14 [Bug tree-optimization/127379] [17 Regression] ICE 'invalid vector types in nop conversion' since r17-4207-g56c81c325cccf4 law at gcc dot gnu.org via Gcc-bugs
• 2026/09/14 [Bug c++/124925] -freflection slows down compilation (of e.g. stdc++.h) by about 20% mpolacek at gcc dot gnu.org via Gcc-bugs
• 2026/09/14 [Bug fortran/127233] ASSOCIATED ignores element length mikael at gcc dot gnu.org via Gcc-bugs
• 2026/09/14 [Bug c++/127349] [reflection] wrong lookup of template in spliced namespace cvs-commit at gcc dot gnu.org via Gcc-bugs
• 2026/09/14 [Bug c++/124925] -freflection slows down compilation (of e.g. stdc++.h) by about 20% jakub at gcc dot gnu.org via Gcc-bugs
• 2026/09/14 [Bug target/127379] New: [17 Regression][GCN] ICE 'invalid vector types in nop conversion' since r17-4207-g56c81c325cccf4 burnus at gcc dot gnu.org via Gcc-bugs
• 2026/09/14 [Bug tree-optimization/127381] New: Missed vector optimization: ((x >> 31) == 1) & 1 is not folded to x >> 31 mikaseianatsu at proton dot me via Gcc-bugs
• 2026/09/14 [Bug c/127383] [C23 _BitInt] wrong code for complement of unsigned _BitInt(63) converted to unsigned long long jsm28 at gcc dot gnu.org via Gcc-bugs
• 2026/09/14 [Bug c/127383] [C23 _BitInt] wrong code for complement of unsigned _BitInt(63) converted to unsigned long long jakub at gcc dot gnu.org via Gcc-bugs
• 2026/09/14 [Bug c++/126970] function wrongly regarded immediate-escalating mpolacek at gcc dot gnu.org via Gcc-bugs
• 2026/09/14 [Bug c++/123615] (c++-reflection) - [meta-bug] reflection issue mpolacek at gcc dot gnu.org via Gcc-bugs
• 2026/09/14 [Bug c/127383] [C23 _BitInt] wrong code for complement of unsigned _BitInt(63) converted to unsigned long long jakub at gcc dot gnu.org via Gcc-bugs
• 2026/09/14 [Bug tree-optimization/126306] BB SLP build force-fails too early because of unrolling rguenth at gcc dot gnu.org via Gcc-bugs
• 2026/09/14 [Bug libstdc++/127219] <format>: make __valid_types_for_check_dynamic_spec static so check_dynamic_spec<Ts...> works with clang and EDG cvs-commit at gcc dot gnu.org via Gcc-bugs
• 2026/09/14 [Bug target/127306] [16 Regression] RISC-V bclr_lowest_set_bit pass produces wrong code cvs-commit at gcc dot gnu.org via Gcc-bugs
• 2026/09/14 [Bug middle-end/104800] reodering of potentially trapping operations and volatile stores rguenther at suse dot de via Gcc-bugs
• 2026/09/14 [Bug rtl-optimization/127388] New: armv8-m.main prefers to spill r4 to the stack; rather than use r12 david.c.mcgarry at gmail dot com via Gcc-bugs
• 2026/09/14 [Bug libstdc++/127220] <format>: clang rejects every dynamic width or precision ("{:{}}") in C++26 mode: __check_dynamic_spec is instantiated before its definition cvs-commit at gcc dot gnu.org via Gcc-bugs
• 2026/09/14 [Bug tree-optimization/126332] -ftracer makes it harder to do ifcvt (like path splitting) pinskia at gcc dot gnu.org via Gcc-bugs
• 2026/09/14 [Bug c++/110367] [C++26] Add new built-in for std::is_within_lifetime jakub at gcc dot gnu.org via Gcc-bugs
• 2026/09/14 [Bug ada/127380] [17 Regression] gnat fails to bootstrap on sh4-linux-gnu (lra-assigns.cc:1691, around s-valrea.adb:379:8) rguenth at gcc dot gnu.org via Gcc-bugs
• 2026/09/14 [Bug c++/127387] New: taking the address of consteval function not detected in comma op mpolacek at gcc dot gnu.org via Gcc-bugs
• 2026/09/14 [Bug c++/127386] New: Track which mem-initializers are done during constexpr construction jakub at gcc dot gnu.org via Gcc-bugs
• 2026/09/14 [Bug fortran/127233] ASSOCIATED ignores element length mikael at gcc dot gnu.org via Gcc-bugs
• 2026/09/14 [Bug middle-end/127363] auto vectorize remove __builtin_assoc_barrier (with -ffast-math) cvs-commit at gcc dot gnu.org via Gcc-bugs
• 2026/09/14 [Bug fortran/127233] ASSOCIATED ignores element length mikael at gcc dot gnu.org via Gcc-bugs
• 2026/09/14 [Bug c++/127385] New: std::is_within_lifetime vs. destroyed aggregates jakub at gcc dot gnu.org via Gcc-bugs
• 2026/09/14 [Bug target/127330] [17 Regression] valgrind "Conditional jump or move depends on uninitialised value(s)" in extract_insn_cached(rtx_insn*) (recog.cc:2782) pheeck at gcc dot gnu.org via Gcc-bugs
• 2026/09/14 [Bug tree-optimization/127379] [17 Regression] ICE 'invalid vector types in nop conversion' since r17-4207-g56c81c325cccf4 cvs-commit at gcc dot gnu.org via Gcc-bugs
• 2026/09/14 [Bug middle-end/127336] wrong code with __atomic_add_fetch() at -O1 and above on x86 cvs-commit at gcc dot gnu.org via Gcc-bugs
• 2026/09/14 [Bug c++/127132] [17 Regression] ICE in expand_expr_real_1, at expr.cc vladislav.semykin at gmail dot com via Gcc-bugs
• 2026/09/14 [Bug c++/127132] [17 Regression] ICE in expand_expr_real_1, at expr.cc s.kimura.h41104 at gmail dot com via Gcc-bugs
• 2026/09/14 [Bug libstdc++/124121] Missed optimization in initialization of std::inplace_vector with std::initializer_list tkaminsk at gcc dot gnu.org via Gcc-bugs
• 2026/09/14 [Bug libstdc++/124121] Missed optimization in initialization of std::inplace_vector with std::initializer_list cvs-commit at gcc dot gnu.org via Gcc-bugs
• 2026/09/14 [Bug middle-end/127363] auto vectorize remove __builtin_assoc_barrier (with -ffast-math) rguenth at gcc dot gnu.org via Gcc-bugs
• 2026/09/14 [Bug fortran/127233] ASSOCIATED ignores element length mikael at gcc dot gnu.org via Gcc-bugs
• 2026/09/14 [Bug c/127383] [C23 _BitInt] wrong code for complement of unsigned _BitInt(63) converted to unsigned long long jakub at gcc dot gnu.org via Gcc-bugs
• 2026/09/14 [Bug tree-optimization/127345] [16/17 Regression] wrong code storing a signed _BitInt(N) struct since r16-4708 jakub at gcc dot gnu.org via Gcc-bugs
• 2026/09/14 [Bug libstdc++/126949] [15 Regression] Can't construct an unordered set with a hasher whose ctor is explicit cvs-commit at gcc dot gnu.org via Gcc-bugs
• 2026/09/14 [Bug fortran/127384] New: SIZEOF wrong result with an unlimited polymorphic variable holding a character value mikael at gcc dot gnu.org via Gcc-bugs
• 2026/09/14 [Bug tree-optimization/127382] [16/17 Regression] ICE in range_of_cond_expr during vectorization with _BitInt rguenth at gcc dot gnu.org via Gcc-bugs
• 2026/09/14 [Bug libstdc++/126949] [15 Regression] Can't construct an unordered set with a hasher whose ctor is explicit tkaminsk at gcc dot gnu.org via Gcc-bugs
• 2026/09/14 [Bug libstdc++/127219] <format>: make __valid_types_for_check_dynamic_spec static so check_dynamic_spec<Ts...> works with clang and EDG tkaminsk at gcc dot gnu.org via Gcc-bugs
• 2026/09/14 [Bug libstdc++/127219] <format>: make __valid_types_for_check_dynamic_spec static so check_dynamic_spec<Ts...> works with clang and EDG cvs-commit at gcc dot gnu.org via Gcc-bugs
• 2026/09/14 [Bug bootstrap/84402] [meta] GCC build system: parallelism issues (including bottlenecks) dcb314 at hotmail dot com via Gcc-bugs
• 2026/09/14 [Bug target/118676] Getting "the ABI of passing union with ‘long double’ has changed in GCC 4.4" warning for a function that doesn't take long double and isn't subject to ABI at all (static) jg at jguk dot org via Gcc-bugs
• 2026/09/14 [Bug c/127383] [C23 _BitInt] wrong code for complement of unsigned _BitInt(63) converted to unsigned long long rguenth at gcc dot gnu.org via Gcc-bugs
• 2026/09/14 [Bug tree-optimization/127345] [16/17 Regression] wrong code storing a signed _BitInt(N) struct since r16-4708 jakub at gcc dot gnu.org via Gcc-bugs
• 2026/09/14 [Bug tree-optimization/127360] missed tree-switch-conversion rguenth at gcc dot gnu.org via Gcc-bugs
• 2026/09/14 [Bug ada/127380] New: gnat fails to bootstrap on sh4-linux-gnu (lra-assigns.cc:1691, around s-valrea.adb:379:8) doko at gcc dot gnu.org via Gcc-bugs
• 2026/09/14 [Bug middle-end/104800] reodering of potentially trapping operations and volatile stores rguenth at gcc dot gnu.org via Gcc-bugs
• 2026/09/14 [Bug modula2/127359] building modula2 support requires bash installed in path gaius at gcc dot gnu.org via Gcc-bugs
• 2026/09/14 [Bug c/127383] New: [C23 _BitInt] wrong code for complement of unsigned _BitInt(63) converted to unsigned long long shimizu2486 at gmail dot com via Gcc-bugs
• 2026/09/14 [Bug tree-optimization/127377] [13/14/16/17 regression] Wrong code at -O3 on x86_64-pc-linux-gnu cvs-commit at gcc dot gnu.org via Gcc-bugs
• 2026/09/14 [Bug middle-end/104800] reodering of potentially trapping operations and volatile stores uecker at gcc dot gnu.org via Gcc-bugs
• 2026/09/14 [Bug target/127382] New: [16/17 Regression] ICE in range_of_cond_expr during vectorization with _BitInt shimizu2486 at gmail dot com via Gcc-bugs
• 2026/09/14 [Bug target/118676] Getting "the ABI of passing union with ‘long double’ has changed in GCC 4.4" warning for a function that doesn't take long double and isn't subject to ABI at all (static) redi at gcc dot gnu.org via Gcc-bugs
• 2026/09/14 [Bug target/118676] Getting "the ABI of passing union with ‘long double’ has changed in GCC 4.4" warning for a function that doesn't take long double and isn't subject to ABI at all (static) redi at gcc dot gnu.org via Gcc-bugs
• 2026/09/14 [Bug middle-end/104800] reodering of potentially trapping operations and volatile stores uecker at gcc dot gnu.org via Gcc-bugs
• 2026/09/14 [Bug middle-end/104800] reodering of potentially trapping operations and volatile stores rguenth at gcc dot gnu.org via Gcc-bugs
• 2026/09/14 [Bug modula2/127359] building modula2 support requires bash installed in path gaius at gcc dot gnu.org via Gcc-bugs
• 2026/09/14 [Bug tree-optimization/127377] [13/14/16/17 regression] Wrong code at -O3 on x86_64-pc-linux-gnu rguenth at gcc dot gnu.org via Gcc-bugs
• 2026/09/14 [Bug middle-end/104800] reodering of potentially trapping operations and volatile stores uecker at gcc dot gnu.org via Gcc-bugs
• 2026/09/14 [Bug middle-end/104800] reodering of potentially trapping operations and volatile stores rguenth at gcc dot gnu.org via Gcc-bugs
• 2026/09/14 [Bug c++/127132] [17 Regression] ICE in expand_expr_real_1, at expr.cc vladislav.semykin at gmail dot com via Gcc-bugs
• 2026/09/14 [Bug tree-optimization/127345] [16/17 Regression] wrong code storing a signed _BitInt(N) struct since r16-4708 rguenth at gcc dot gnu.org via Gcc-bugs
• 2026/09/14 [Bug target/126983] [17 Regression] AArch64 emits fp16 fmov when fp16 is not available cvs-commit at gcc dot gnu.org via Gcc-bugs
• 2026/09/14 [Bug target/126431] [SH] internal compiler error: in lra_assign, at lra-assigns.cc:1691 doko at gcc dot gnu.org via Gcc-bugs
• 2026/09/14 [Bug tree-optimization/127379] [17 Regression][GCN] ICE 'invalid vector types in nop conversion' since r17-4207-g56c81c325cccf4 pinskia at gcc dot gnu.org via Gcc-bugs
• 2026/09/14 [Bug tree-optimization/126332] -ftracer makes it harder to do ifcvt (like path splitting) rguenth at gcc dot gnu.org via Gcc-bugs
• 2026/09/14 [Bug target/126983] [17 Regression] AArch64 emits fp16 fmov when fp16 is not available artemiyv at gcc dot gnu.org via Gcc-bugs
• 2026/09/14 [Bug rtl-optimization/127364] __builtin_assoc_barrier does not work for rtl pinskia at gcc dot gnu.org via Gcc-bugs
• 2026/09/14 [Bug tree-optimization/127379] [17 Regression][GCN] ICE 'invalid vector types in nop conversion' since r17-4207-g56c81c325cccf4 pinskia at gcc dot gnu.org via Gcc-bugs
• 2026/09/14 [Bug tree-optimization/127379] [17 Regression][GCN] ICE 'invalid vector types in nop conversion' since r17-4207-g56c81c325cccf4 pinskia at gcc dot gnu.org via Gcc-bugs
• 2026/09/14 [Bug tree-optimization/127377] [13/14/16/17 regression] Wrong code at -O3 on x86_64-pc-linux-gnu rguenth at gcc dot gnu.org via Gcc-bugs
• 2026/09/14 [Bug ada/127380] [17 Regression] gnat fails to bootstrap on sh4-linux-gnu (lra-assigns.cc:1691, around s-valrea.adb:379:8) glaubitz at debian dot org via Gcc-bugs
• 2026/09/14 [Bug bootstrap/127376] [17 Regression] boostrap-lto fails with a compare error rguenth at gcc dot gnu.org via Gcc-bugs
• 2026/09/14 [Bug rtl-optimization/127364] __builtin_assoc_barrier does not work for rtl rguenth at gcc dot gnu.org via Gcc-bugs
• 2026/09/14 [Bug middle-end/127363] auto vectorize remove __builtin_assoc_barrier (with -ffast-math) rguenth at gcc dot gnu.org via Gcc-bugs
• 2026/09/14 [Bug tree-optimization/127379] [17 Regression][GCN] ICE 'invalid vector types in nop conversion' since r17-4207-g56c81c325cccf4 pinskia at gcc dot gnu.org via Gcc-bugs
• 2026/09/14 [Bug tree-optimization/127379] [17 Regression][GCN] ICE 'invalid vector types in nop conversion' since r17-4207-g56c81c325cccf4 pinskia at gcc dot gnu.org via Gcc-bugs
• 2026/09/14 [Bug rtl-optimization/127354] [17 Regression] FAIL: gcc.target/i386/apx-legacy-insn-check-norex2-asm.c (internal compiler error: in extract_constrain_insn, at recog.cc:2796) rguenth at gcc dot gnu.org via Gcc-bugs
• 2026/09/13 [Bug tree-optimization/127356] Need a version of overflow_free_p which does not assume TYPE_OVERFLOW_UNDEFINED rguenth at gcc dot gnu.org via Gcc-bugs
• 2026/09/13 [Bug tree-optimization/127358] [14/15/16 Regression] Two-value select fold introduces signed-overflow UB since r14-2299 rguenth at gcc dot gnu.org via Gcc-bugs
• 2026/09/13 [Bug tree-optimization/127357] [15/16/17 Regression] signed_integer_sat_add single-AND recognizer over-fires and cause miscompile rguenth at gcc dot gnu.org via Gcc-bugs
• 2026/09/13 [Bug ipa/127365] [16/17 Regression] ICE in good_cloning_opportunity_p with -O3 -flto (ipa-cp clone candidate with prop_size_cost == 0) wszqkzqk at qq dot com via Gcc-bugs
• 2026/09/13 [Bug target/127352] [16/17 Regression] ICE in gen_reg_rtx at -O3 since r16-5975 rguenth at gcc dot gnu.org via Gcc-bugs
• 2026/09/13 [Bug c++/127346] [16/17 Regression] [modules] "conflicting declaration" when redeclaring an extern "C++" class whose definition is reachable but not visible rguenth at gcc dot gnu.org via Gcc-bugs
• 2026/09/13 [Bug libstdc++/126949] [15/16/17 Regression] Can't construct an unordered set with a hasher whose ctor is explicit cvs-commit at gcc dot gnu.org via Gcc-bugs
• 2026/09/13 [Bug tree-optimization/127377] [13/14/16/17 regression] Wrong code at -O3 on x86_64-pc-linux-gnu pinskia at gcc dot gnu.org via Gcc-bugs
• 2026/09/13 [Bug tree-optimization/127377] [13/14/16/17 regression] Wrong code at -O3 on x86_64-pc-linux-gnu pinskia at gcc dot gnu.org via Gcc-bugs
• 2026/09/13 [Bug target/127264] [17 Regression] ICE: RTL check: expected code 'const_int', have 'reg' in ix86_expand_ace_builtin, at config/i386/i386-expand.cc:14776 with -macev1 haochen.jiang at intel dot com via Gcc-bugs
• 2026/09/13 [Bug target/127264] [17 Regression] ICE: RTL check: expected code 'const_int', have 'reg' in ix86_expand_ace_builtin, at config/i386/i386-expand.cc:14776 with -macev1 haochen.jiang at intel dot com via Gcc-bugs
• 2026/09/13 [Bug tree-optimization/127377] [13/14/16/17 regression] Wrong code at -O3 on x86_64-pc-linux-gnu pinskia at gcc dot gnu.org via Gcc-bugs
• 2026/09/13 [Bug tree-optimization/127377] [13/14/16/17 regression] Wrong code at -O3 on x86_64-pc-linux-gnu pinskia at gcc dot gnu.org via Gcc-bugs
• 2026/09/13 [Bug tree-optimization/127377] [13/14/16/17 regression] Wrong code at -O3 on x86_64-pc-linux-gnu pinskia at gcc dot gnu.org via Gcc-bugs
• 2026/09/13 [Bug rtl-optimization/127377] [14/16/17 regression] Wrong code at -O3 on x86_64-pc-linux-gnu pinskia at gcc dot gnu.org via Gcc-bugs
• 2026/09/13 [Bug ipa/127377] [17 regression] Wrong code at -O3 on x86_64-pc-linux-gnu pinskia at gcc dot gnu.org via Gcc-bugs
• 2026/09/13 [Bug bootstrap/127376] [17 Regression] boostrap-lto fails with a compare error pinskia at gcc dot gnu.org via Gcc-bugs
• 2026/09/13 [Bug middle-end/127378] widening _BitInt store leaves most significant limb unwritten on big-endian mmatti.gnu at gmail dot com via Gcc-bugs
• 2026/09/13 [Bug middle-end/127378] New: widening _BitInt store leaves most significant limb unwritten on big-endian mmatti.gnu at gmail dot com via Gcc-bugs
• 2026/09/13 [Bug tree-optimization/127377] New: Wrong code at -O3 on x86_64-pc-linux-gnu xintong.zhou1 at uwaterloo dot ca via Gcc-bugs
• 2026/09/13 [Bug bootstrap/127376] [17 Regression] boostrap-lto fails with a compare error pinskia at gcc dot gnu.org via Gcc-bugs
• 2026/09/13 [Bug bootstrap/127376] boostrap-lto fails with a compare error pinskia at gcc dot gnu.org via Gcc-bugs
• 2026/09/13 [Bug target/24012] [14/15/16/17 regression] #define _POSIX_C_SOURCE breaks #include <iostream> gerald at pfeifer dot com via Gcc-bugs
• 2026/09/13 [Bug bootstrap/127376] boostrap-lto fails with a compare error pinskia at gcc dot gnu.org via Gcc-bugs
• 2026/09/13 [Bug bootstrap/127376] boostrap-lto fails with a compare error sjames at gcc dot gnu.org via Gcc-bugs
• 2026/09/13 [Bug bootstrap/127376] New: boostrap-lto fails with a compare error tnfchris at gcc dot gnu.org via Gcc-bugs
• 2026/09/13 [Bug tree-optimization/127216] [17 Regression] Vector averaging code gen regression after recent change law at gcc dot gnu.org via Gcc-bugs
• 2026/09/13 [Bug tree-optimization/127216] [17 Regression] Vector averaging code gen regression after recent change rdapp at gcc dot gnu.org via Gcc-bugs
• 2026/09/13 [Bug c++/127373] ICE when instantiating conversion to pointer to function for generic lambda sugrob9000aero at gmail dot com via Gcc-bugs
• 2026/09/13 [Bug c++/127373] ICE when instantiating conversion to pointer to function for generic lambda sugrob9000aero at gmail dot com via Gcc-bugs
• 2026/09/13 [Bug c++/127373] ICE when instantiating conversion to pointer to function for generic lambda pinskia at gcc dot gnu.org via Gcc-bugs
• 2026/09/13 [Bug rtl-optimization/127375] Unnecessary RET instructions from multiple return-only basic blocks pinskia at gcc dot gnu.org via Gcc-bugs
• 2026/09/13 [Bug rtl-optimization/127375] New: Unnecessary RET instructions from multiple return-only basic blocks forkbombidable at gmail dot com via Gcc-bugs
• 2026/09/13 [Bug tree-optimization/127368] Missed optimization of 1 << ctz (lhs) --> lhs & -lhs pinskia at gcc dot gnu.org via Gcc-bugs
• 2026/09/13 [Bug target/127374] New: Zicond improvement for RISC-V law at gcc dot gnu.org via Gcc-bugs
• 2026/09/13 [Bug rtl-optimization/127367] [17 Regression] RISC-V: wrong code for unsigned _BitInt(96) % pinskia at gcc dot gnu.org via Gcc-bugs
• 2026/09/13 [Bug c++/127373] ICE when instantiating conversion to pointer to function for generic lambda sugrob9000aero at gmail dot com via Gcc-bugs
• 2026/09/13 [Bug c++/124249] [reflection] wrong out-of-consteval-use for constant initializers mpolacek at gcc dot gnu.org via Gcc-bugs
• 2026/09/13 [Bug c++/127373] New: ICE when instantiating conversion to pointer to function for generic lambda sugrob9000aero at gmail dot com via Gcc-bugs
• 2026/09/13 [Bug c++/127355] reflection: cannot extract pointer to static member function template within class template mpolacek at gcc dot gnu.org via Gcc-bugs
• 2026/09/13 [Bug c++/125820] [C++29] P4101R1, Consteval-only values for C++26 cvs-commit at gcc dot gnu.org via Gcc-bugs
• 2026/09/13 [Bug c++/127371] [modules][reflection] ICE in walk_namespace_bindings when namespaces are supplied via partitions mail at tobiasliese dot me via Gcc-bugs
• 2026/09/13 [Bug tree-optimization/127216] [17 Regression] Vector averaging code gen regression after recent change law at gcc dot gnu.org via Gcc-bugs
• 2026/09/13 [Bug c++/127371] New: [modules][reflection] ICE in walk_namespace_bindings when namespaces are supplied via partitions mail at tobiasliese dot me via Gcc-bugs
• 2026/09/13 [Bug fortran/103474] [coarray] ICE in simplify_cobound, at fortran/simplify.c:4415 cvs-commit at gcc dot gnu.org via Gcc-bugs
• 2026/09/13 [Bug fortran/125690] [PDT] ice in wide_int_to_tree_1, at tree.cc:1900 pault at gcc dot gnu.org via Gcc-bugs
• 2026/09/13 [Bug fortran/126781] NUM_IMAGES intrinsic missing keyword arguments cvs-commit at gcc dot gnu.org via Gcc-bugs
• 2026/09/13 [Bug tree-optimization/127367] [17 Regression] RISC-V: wrong code for unsigned _BitInt(96) % pinskia at gcc dot gnu.org via Gcc-bugs
• 2026/09/13 [Bug tree-optimization/127365] [16/17 Regression] ICE in good_cloning_opportunity_p with -O3 -flto (ipa-cp clone candidate with prop_size_cost == 0) pinskia at gcc dot gnu.org via Gcc-bugs
• 2026/09/13 [Bug tree-optimization/126549] [16/17 Regression] Wrong code with ranger and int->float casts since r16-1191 pinskia at gcc dot gnu.org via Gcc-bugs
• 2026/09/13 [Bug tree-optimization/127369] std::isfinite/std::isinf do not work reliably pinskia at gcc dot gnu.org via Gcc-bugs
• 2026/09/13 [Bug c++/126811] [14/15/16/17 Regression] c++: ICE in tsubst when a constexpr init contains an NSDMI cvs-commit at gcc dot gnu.org via Gcc-bugs
• 2026/09/13 [Bug target/127318] [riscv64] RVV stack-clash probe loop sets CFA base to t3 before t3 is initialised cvs-commit at gcc dot gnu.org via Gcc-bugs
• 2026/09/13 [Bug c++/124414] [reflection] Invalid constexpr variable accepted with void pointer to consteval-only type cvs-commit at gcc dot gnu.org via Gcc-bugs
• 2026/09/13 [Bug target/127318] [riscv64] RVV stack-clash probe loop sets CFA base to t3 before t3 is initialised cvs-commit at gcc dot gnu.org via Gcc-bugs
• 2026/09/13 [Bug c++/123615] (c++-reflection) - [meta-bug] reflection issue mpolacek at gcc dot gnu.org via Gcc-bugs
• 2026/09/13 [Bug c++/124414] [reflection] Invalid constexpr variable accepted with void pointer to consteval-only type mpolacek at gcc dot gnu.org via Gcc-bugs
• 2026/09/13 [Bug c++/123615] (c++-reflection) - [meta-bug] reflection issue mpolacek at gcc dot gnu.org via Gcc-bugs
• 2026/09/13 [Bug target/120763] [meta-bug] Tracker for bugs to visit during weekly RISC-V meeting law at gcc dot gnu.org via Gcc-bugs
• 2026/09/13 [Bug target/127318] [15/16/17 Regression] [riscv64] RVV stack-clash probe loop sets CFA base to t3 before t3 is initialised law at gcc dot gnu.org via Gcc-bugs
• 2026/09/13 [Bug c++/124249] [reflection] wrong out-of-consteval-use for constant initializers cvs-commit at gcc dot gnu.org via Gcc-bugs
• 2026/09/13 [Bug target/127318] [riscv64] RVV stack-clash probe loop sets CFA base to t3 before t3 is initialised cvs-commit at gcc dot gnu.org via Gcc-bugs
• 2026/09/13 [Bug c/127372] New: Incorrect ms_printf format warning: unknown conversion type character 'Z' in format [-Wformat=] pali at kernel dot org via Gcc-bugs
• 2026/09/13 [Bug libgcc/127366] New: Avoid empty atexit call in mingw __gcc_register_frame / crtbegin.o pali at kernel dot org via Gcc-bugs
• 2026/09/13 [Bug c/127370] New: Incorrect warning for ms_printf format %hs [-Wformat=] pali at kernel dot org via Gcc-bugs
• 2026/09/13 [Bug libgcc/127366] Avoid empty atexit call in mingw __gcc_register_frame / crtbegin.o lh_mouse at 126 dot com via Gcc-bugs
• 2026/09/13 [Bug c++/127369] New: std::isfinite/std::isinf do not work reliably gero.peterhoff at gmx dot net via Gcc-bugs
• 2026/09/13 [Bug tree-optimization/127368] New: Missed optimization of 1 << ctz (lhs) --> lhs & -lhs kaelfandrew at gmail dot com via Gcc-bugs
• 2026/09/13 [Bug c++/125642] [LoongArch] `__FRACT_FBIT__` predefined in C++ mode despite `_Fract` keyword being unsupported cvs-commit at gcc dot gnu.org via Gcc-bugs
• 2026/09/13 [Bug tree-optimization/127367] New: [17 Regression] RISC-V: wrong code for unsigned _BitInt(96) % shimizu2486 at gmail dot com via Gcc-bugs
• 2026/09/13 [Bug c++/125642] [LoongArch] `__FRACT_FBIT__` predefined in C++ mode despite `_Fract` keyword being unsupported xry111 at gcc dot gnu.org via Gcc-bugs
• 2026/09/13 [Bug c++/125642] [LoongArch] `__FRACT_FBIT__` predefined in C++ mode despite `_Fract` keyword being unsupported cvs-commit at gcc dot gnu.org via Gcc-bugs
• 2026/09/13 [Bug c++/125642] [LoongArch] `__FRACT_FBIT__` predefined in C++ mode despite `_Fract` keyword being unsupported cvs-commit at gcc dot gnu.org via Gcc-bugs
• 2026/09/13 [Bug c++/125642] [LoongArch] `__FRACT_FBIT__` predefined in C++ mode despite `_Fract` keyword being unsupported chz0808 at gmail dot com via Gcc-bugs
• 2026/09/13 [Bug tree-optimization/127365] New: [16 Regression] ICE in good_cloning_opportunity_p with -O3 -flto (ipa-cp clone candidate with prop_size_cost == 0) wszqkzqk at qq dot com via Gcc-bugs
• 2026/09/13 [Bug c++/127364] New: __builtin_assoc_barrier does not works in arm neon z00823823 at outlook dot com via Gcc-bugs
• 2026/09/13 [Bug rtl-optimization/127364] __builtin_assoc_barrier does not works in arm neon pinskia at gcc dot gnu.org via Gcc-bugs
• 2026/09/13 [Bug c++/127363] New: auto vectorize remove __builtin_assoc_barrier z00823823 at outlook dot com via Gcc-bugs
• 2026/09/12 [Bug tree-optimization/127358] [14/15/16 Regression] Two-value select fold introduces signed-overflow UB since r14-2299 pinskia at gcc dot gnu.org via Gcc-bugs
• 2026/09/12 [Bug middle-end/127285] GCC generates redundant `test + sete` with memcmp against 0 with a constant size saicharan at astrome dot co via Gcc-bugs
• 2026/09/12 [Bug tree-optimization/127358] [14/15/16/17 Regression] Two-value select fold introduces signed-overflow UB since r14-2299 cvs-commit at gcc dot gnu.org via Gcc-bugs
• 2026/09/12 [Bug target/127153] [16/17 Regression] LoongArch: wrong code at -O1 or above xry111 at gcc dot gnu.org via Gcc-bugs
• 2026/09/12 [Bug target/127153] [16/17 Regression] LoongArch: wrong code at -O1 or above cvs-commit at gcc dot gnu.org via Gcc-bugs
• 2026/09/12 [Bug target/127153] [16/17 Regression] LoongArch: wrong code at -O1 or above cvs-commit at gcc dot gnu.org via Gcc-bugs
• 2026/09/12 [Bug target/127362] More masking cases that can be improved on RISC-V pinskia at gcc dot gnu.org via Gcc-bugs
• 2026/09/12 [Bug target/127362] More masking cases that can be improved on RISC-V pinskia at gcc dot gnu.org via Gcc-bugs
• 2026/09/12 [Bug target/127362] More masking cases that can be improved on RISC-V pinskia at gcc dot gnu.org via Gcc-bugs
• 2026/09/12 [Bug target/127362] New: More masking cases that can be improved on RISC-V law at gcc dot gnu.org via Gcc-bugs
• 2026/09/12 [Bug target/127318] [riscv64] RVV stack-clash probe loop sets CFA base to t3 before t3 is initialised law at gcc dot gnu.org via Gcc-bugs
• 2026/09/12 [Bug rtl-optimization/125728] [16/17 Regression] M68k: m68k-elf-gcc generates code that raises address error exception in certain circumstances andy at skychase dot zone via Gcc-bugs
• 2026/09/12 [Bug target/127302] [17 Regression] 505.mcf_r miscompiled since r17-3330 (allow backward threading to loop exit) law at gcc dot gnu.org via Gcc-bugs
• 2026/09/12 [Bug tree-optimization/127357] [15/16/17 Regression] signed_integer_sat_add single-AND recognizer over-fires and cause miscompile pinskia at gcc dot gnu.org via Gcc-bugs
• 2026/09/12 [Bug tree-optimization/127357] [15/16/17 Regression] signed_integer_sat_add single-AND recognizer over-fires and cause miscompile pinskia at gcc dot gnu.org via Gcc-bugs
• 2026/09/12 [Bug rtl-optimization/126635] [17 regression] Miscompiled compiler in LTO build [r17-2301-gf7a75a1506d91f] ptomsich at gcc dot gnu.org via Gcc-bugs
• 2026/09/12 [Bug rtl-optimization/126635] [17 regression] Miscompiled compiler in LTO build [r17-2301-gf7a75a1506d91f] ptomsich at gcc dot gnu.org via Gcc-bugs
• 2026/09/12 [Bug rtl-optimization/126635] [17 regression] Miscompiled compiler in LTO build [r17-2301-gf7a75a1506d91f] ptomsich at gcc dot gnu.org via Gcc-bugs
• 2026/09/12 [Bug c/123623] Split out the extension that the Linux kernel uses from -fms-extensions into a new option -fms-anonymous-structs foss+gcc--- via Gcc-bugs
• 2026/09/12 [Bug tree-optimization/127360] missed tree-switch-conversion pinskia at gcc dot gnu.org via Gcc-bugs
• 2026/09/12 [Bug c/123623] Split out the extension that the Linux kernel uses from -fms-extensions into a new option -fms-anonymous-structs hpa at zytor dot com via Gcc-bugs
• 2026/09/12 [Bug tree-optimization/127358] [14/15/16/17 Regression] Two-value select fold introduces signed-overflow UB since r14-2299 pinskia at gcc dot gnu.org via Gcc-bugs
• 2026/09/12 [Bug c/123623] Split out the extension that the Linux kernel uses from -fms-extensions manu at gcc dot gnu.org via Gcc-bugs
• 2026/09/12 [Bug c/123623] Split out the extension that the Linux kernel uses from -fms-extensions into a new option -fms-anonymous-structs hpa at zytor dot com via Gcc-bugs

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