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• 2026/09/18 [Bug target/127481] New: Consider implementing bitreverse{qi,hi,si,di}2 using vpshufbitqmb jakub at gcc dot gnu.org via Gcc-bugs
• 2026/09/18 [Bug tree-optimization/127480] [15/16/17 Regression] False-positive -Warray-bounds on unreachable downcast in loop pinskia at gcc dot gnu.org via Gcc-bugs
• 2026/09/18 [Bug c++/127470] New: -Wmaybe-uninitialized false positive related to adding const to pointer-to type, during class initialization ivan.lazaric.gcc at gmail dot com via Gcc-bugs
• 2026/09/18 [Bug cobol/126633] cobol1: FR add STORED-CHAR-LENGTH function (available at least in Fujitsu and GnuCOBOL) cvs-commit at gcc dot gnu.org via Gcc-bugs
• 2026/09/18 [Bug cobol/127074] ICE compiling CBL_CHECK_FILE_EXIST.cob during 'gmake check-cobol' cvs-commit at gcc dot gnu.org via Gcc-bugs
• 2026/09/18 [Bug c++/127477] Bogus uninitialized warning when accessing base class member through a derived class from another base class during construction joaquin.lopezmunoz at gmail dot com via Gcc-bugs
• 2026/09/18 [Bug tree-optimization/127480] New: [15/16/17 Regression] False-positive -Warray-bounds on unreachable downcast in loop james at jamespanayis dot com via Gcc-bugs
• 2026/09/18 [Bug tree-optimization/127473] [17 Regression] ICE in vect_build_slp_tree_1 when building 2017 wrf_r since r17-4390-gd528b3e5314fde cvs-commit at gcc dot gnu.org via Gcc-bugs
• 2026/09/18 [Bug lto/127479] New: GCC 15.2 IPA-ICF merges distinct >= and <= comparison functions under -flto, causing incorrect runtime behavior samk at vulnetic dot ai via Gcc-bugs
• 2026/09/18 [Bug c++/127477] Bogus uninitialized warning when accessing base class member through a derived class from another base class during construction pinskia at gcc dot gnu.org via Gcc-bugs
• 2026/09/18 [Bug c++/127477] Bogus uninitialized warning when accessing base class member through a derived class from another base class during construction pinskia at gcc dot gnu.org via Gcc-bugs
• 2026/09/18 [Bug cobol/127412] error: iconv_open: cannot convert to 'CP1140' from 'CP1252' kargl at gcc dot gnu.org via Gcc-bugs
• 2026/09/18 [Bug cobol/127412] error: iconv_open: cannot convert to 'CP1140' from 'CP1252' kargl at gcc dot gnu.org via Gcc-bugs
• 2026/09/18 [Bug c++/127477] Bogus uninitialized warning when accessing base class member through a derived class from another base class during construction joaquin.lopezmunoz at gmail dot com via Gcc-bugs
• 2026/09/18 [Bug middle-end/127474] New: ICE in expand_mult, at expmed.cc:3636 stefansf at gcc dot gnu.org via Gcc-bugs
• 2026/09/18 [Bug c++/127477] Bogus uninitialized warning when accessing base class member through a derived class from another base class during construction pinskia at gcc dot gnu.org via Gcc-bugs
• 2026/09/18 [Bug target/127460] [PRU] Debug information causes an extra repeat-loop NOP with -fno-var-tracking dimitar at gcc dot gnu.org via Gcc-bugs
• 2026/09/18 [Bug middle-end/127378] widening _BitInt store leaves most significant limb unwritten on PPC64 (big-endian) mmatti.gnu at gmail dot com via Gcc-bugs
• 2026/09/18 [Bug tree-optimization/127475] vect: Induction ICEs building mask-type constants rguenth at gcc dot gnu.org via Gcc-bugs
• 2026/09/18 [Bug c++/127478] New: [reflection] missing "consteval-only value" error for init of auto var mpolacek at gcc dot gnu.org via Gcc-bugs
• 2026/09/18 [Bug c++/127477] New: Bogus uninitialized warning when accessing base class member through a derived class from another base class during construction joaquin.lopezmunoz at gmail dot com via Gcc-bugs
• 2026/09/18 [Bug c++/116335] defaulting int spaceship operator should be rejected redi at gcc dot gnu.org via Gcc-bugs
• 2026/09/18 [Bug tree-optimization/127452] [17 Regression] forwprop generates 128bit multiplication even if not supported by the target since r17-3437 rguenth at gcc dot gnu.org via Gcc-bugs
• 2026/09/18 [Bug tree-optimization/127472] New: [17 pheeck at gcc dot gnu.org via Gcc-bugs
• 2026/09/18 [Bug tree-optimization/127475] vect: Induction ICEs building mask-type constants rguenth at gcc dot gnu.org via Gcc-bugs
• 2026/09/18 [Bug fortran/127146] [PDT] Intrinsic structure constructor of extended PDT mishandles inherited components cvs-commit at gcc dot gnu.org via Gcc-bugs
• 2026/09/18 [Bug c++/116335] defaulting int spaceship operator should be rejected redi at gcc dot gnu.org via Gcc-bugs
• 2026/09/18 [Bug cobol/127412] error: iconv_open: cannot convert to 'CP1140' from 'CP1252' rdubner at gcc dot gnu.org via Gcc-bugs
• 2026/09/18 [Bug tree-optimization/127475] vect: Induction ICEs building mask-type constants rguenth at gcc dot gnu.org via Gcc-bugs
• 2026/09/18 [Bug libstdc++/127476] New: <memory> unconditionally includes <bits/indirect.h> in freestanding mode longfeiqiu2012 at gmail dot com via Gcc-bugs
• 2026/09/18 [Bug modula2/127469] New: ICE when compiling code containing aggregate record using an array field gaius at gcc dot gnu.org via Gcc-bugs
• 2026/09/18 [Bug libstdc++/127424] 27_io testsuite: opening a FIFO with O_RDWR is undefined in POSIX; 9964.cc also stopped testing PR 9964 in 2004 redi at gcc dot gnu.org via Gcc-bugs
• 2026/09/18 [Bug tree-optimization/127473] [17 Regression] ICE in vect_build_slp_tree_1 when building 2017 wrf_r since r17-4390-gd528b3e5314fde rguenth at gcc dot gnu.org via Gcc-bugs
• 2026/09/18 [Bug tree-optimization/127475] New: vect: Induction ICEs building mask-type constants rdapp at gcc dot gnu.org via Gcc-bugs
• 2026/09/18 [Bug libstdc++/126786] Module fallback installs empty interface files but the manifest lists them redi at gcc dot gnu.org via Gcc-bugs
• 2026/09/18 [Bug libstdc++/126786] Module fallback installs empty interface files but the manifest lists them cvs-commit at gcc dot gnu.org via Gcc-bugs
• 2026/09/18 [Bug tree-optimization/127473] [17 Regression] ICE in vect_build_slp_tree_1 when building 2017 wrf_r since r17-4390-gd528b3e5314fde rguenth at gcc dot gnu.org via Gcc-bugs
• 2026/09/18 [Bug tree-optimization/127468] [17 Regression] ICE: SIGSEGV in gimple_location (gimple.h:1947) with -ftree-slp-vectorize -fsave-optimization-record rguenth at gcc dot gnu.org via Gcc-bugs
• 2026/09/18 [Bug tree-optimization/127473] New: [17 Regression] ICE in vect_build_slp_tree_1 when building 2017 wrf_r since r17-4390-gd528b3e5314fde pheeck at gcc dot gnu.org via Gcc-bugs
• 2026/09/18 [Bug target/127461] ICE: in final_scan_insn_1, at final.cc:2817 (could not split insn {addv2qi3}) with -mtune=c3-2 ubizjak at gmail dot com via Gcc-bugs
• 2026/09/18 [Bug c++/105645] Template specializations are not hidden with fvisibility=hidden wenzhuo.liu.25519 at qq dot com via Gcc-bugs
• 2026/09/18 [Bug target/127467] [17 Regression] avoid_avx512_perm not dropping back to 256 bit perm rguenth at gcc dot gnu.org via Gcc-bugs
• 2026/09/18 [Bug c/127464] internal compiler error: in handle_callback_only_attribute with non prototype declaration pinskia at gcc dot gnu.org via Gcc-bugs
• 2026/09/18 [Bug target/127467] [17 Regression] avoid_avx512_perm not dropping back to 256 bit perm ptomsich at gcc dot gnu.org via Gcc-bugs
• 2026/09/18 [Bug tree-optimization/127473] [17 Regression] ICE in vect_build_slp_tree_1 when building 2017 wrf_r since r17-4390-gd528b3e5314fde pheeck at gcc dot gnu.org via Gcc-bugs
• 2026/09/18 [Bug tree-optimization/127473] [17 Regression] ICE in vect_build_slp_tree_1 when building 2017 wrf_r since r17-4390-gd528b3e5314fde rguenth at gcc dot gnu.org via Gcc-bugs
• 2026/09/18 [Bug tree-optimization/127472] [17 pheeck at gcc dot gnu.org via Gcc-bugs
• 2026/09/18 [Bug tree-optimization/126306] BB SLP build force-fails too early because of unrolling ro at gcc dot gnu.org via Gcc-bugs
• 2026/09/18 [Bug tree-optimization/127452] [17 Regression] forwprop generates 128bit multiplication even if not supported by the target since r17-3437 rguenth at gcc dot gnu.org via Gcc-bugs
• 2026/09/18 [Bug target/127467] [17 Regression] avoid_avx512_perm not dropping back to 256 bit perm rguenth at gcc dot gnu.org via Gcc-bugs
• 2026/09/18 [Bug tree-optimization/127468] [17 Regression] ICE: SIGSEGV in gimple_location (gimple.h:1947) with -ftree-slp-vectorize -fsave-optimization-record rguenth at gcc dot gnu.org via Gcc-bugs
• 2026/09/18 [Bug middle-end/127378] widening _BitInt store leaves most significant limb unwritten on PPC64 (big-endian) cvs-commit at gcc dot gnu.org via Gcc-bugs
• 2026/09/18 [Bug cobol/127412] error: iconv_open: cannot convert to 'CP1140' from 'CP1252' jakub at gcc dot gnu.org via Gcc-bugs
• 2026/09/18 [Bug tree-optimization/127471] New: vectorizer scalar loop costing misses non-root pattern covered stmts rguenth at gcc dot gnu.org via Gcc-bugs
• 2026/09/18 [Bug modula2/127469] ICE when compiling code containing aggregate record using an array field gaius at gcc dot gnu.org via Gcc-bugs
• 2026/09/18 [Bug tree-optimization/127406] [14/15/16/17 Regression] Wrong code: `(X + M*N) / N` fold introduces a trapping `INT_MIN / -1` division since r14-3644 cvs-commit at gcc dot gnu.org via Gcc-bugs
• 2026/09/18 [Bug other/103331] There should be a rule to make build.log in the top-level Makefile ubizjak at gmail dot com via Gcc-bugs
• 2026/09/18 [Bug tree-optimization/127468] New: [17 Regression] ICE: SIGSEGV in gimple_location (gimple.h:1947) with -ftree-slp-vectorize -fsave-optimization-record zsojka at seznam dot cz via Gcc-bugs
• 2026/09/18 [Bug c/127464] internal compiler error: in handle_callback_only_attribute with non prototype declaration jakub at gcc dot gnu.org via Gcc-bugs
• 2026/09/18 [Bug tree-optimization/127454] [16/17 Regression] false-postive -Wuninitialized warning with -ftrivial-auto-var-init= since r16-3956 jakub at gcc dot gnu.org via Gcc-bugs
• 2026/09/18 [Bug target/127461] ICE: in final_scan_insn_1, at final.cc:2817 (could not split insn {addv2qi3}) with -mtune=c3-2 liuhongt at gcc dot gnu.org via Gcc-bugs
• 2026/09/18 [Bug tree-optimization/126306] BB SLP build force-fails too early because of unrolling rguenth at gcc dot gnu.org via Gcc-bugs
• 2026/09/18 [Bug target/127420] Emit UD2 after indirect jump haochen.jiang at intel dot com via Gcc-bugs
• 2026/09/18 [Bug target/127461] ICE: in final_scan_insn_1, at final.cc:2817 (could not split insn {addv2qi3}) with -mtune=c3-2 liuhongt at gcc dot gnu.org via Gcc-bugs
• 2026/09/18 [Bug tree-optimization/126306] BB SLP build force-fails too early because of unrolling cvs-commit at gcc dot gnu.org via Gcc-bugs
• 2026/09/18 [Bug ada/127466] Incorrect derivation of unchecked union type ebotcazou at gcc dot gnu.org via Gcc-bugs
• 2026/09/18 [Bug tree-optimization/63677] Failure to constant fold with vectorization. pinskia at gcc dot gnu.org via Gcc-bugs
• 2026/09/17 [Bug target/127467] New: [17 Regression] avoid_avx512_perm not dropping back to 256 bit perm haochen.jiang at intel dot com via Gcc-bugs
• 2026/09/17 [Bug c/127464] internal compiler error: in handle_callback_only_attribute with non prototype declaration 0599jiangyc at gmail dot com via Gcc-bugs
• 2026/09/17 [Bug c++/127462] internal compiler error: in temp_pop_parm_decls pinskia at gcc dot gnu.org via Gcc-bugs
• 2026/09/17 [Bug c++/127464] New: internal compiler error: in handle_callback_only_attribute 0599jiangyc at gmail dot com via Gcc-bugs
• 2026/09/17 [Bug rtl-optimization/127421] [SPARC] -fcompare-debug failure because DEBUG_INSNs consume redundant_insn search budget - cvs-commit at gcc dot gnu.org via Gcc-bugs
• 2026/09/17 [Bug rtl-optimization/127422] [16/17 Regression] -fcompare-debug failure in combine when a DEBUG_INSN retains a volatile MEM since r16-5947 cvs-commit at gcc dot gnu.org via Gcc-bugs
• 2026/09/17 [Bug ada/127466] New: [ada] GNAT rejects legal Unchecked_Union derived-type discriminant access with "sorry - unable to generate discriminant check" (regression from GNAT 12) a.yerkesh at gmail dot com via Gcc-bugs
• 2026/09/17 [Bug c++/127463] internal compiler error: in merge_weak pinskia at gcc dot gnu.org via Gcc-bugs
• 2026/09/17 [Bug c/127464] internal compiler error: in handle_callback_only_attribute with non prototype declaration pinskia at gcc dot gnu.org via Gcc-bugs
• 2026/09/17 [Bug c/127464] internal compiler error: in handle_callback_only_attribute pinskia at gcc dot gnu.org via Gcc-bugs
• 2026/09/17 [Bug c++/127465] New: internal compiler error: in gimple_build_call_from_tree 0599jiangyc at gmail dot com via Gcc-bugs
• 2026/09/17 [Bug c++/127464] internal compiler error: in handle_callback_only_attribute pinskia at gcc dot gnu.org via Gcc-bugs
• 2026/09/17 [Bug c++/127450] internal compiler error: in check_noexcept_r pinskia at gcc dot gnu.org via Gcc-bugs
• 2026/09/17 [Bug c++/127453] internal compiler error: in declare_module pinskia at gcc dot gnu.org via Gcc-bugs
• 2026/09/17 [Bug c++/127451] internal compiler error: in cp_check_omp_declare_reduction pinskia at gcc dot gnu.org via Gcc-bugs
• 2026/09/17 [Bug c++/127463] New: internal compiler error: in merge_weak 0599jiangyc at gmail dot com via Gcc-bugs
• 2026/09/17 [Bug tree-optimization/127454] [16/17 Regression] false-postive -Wuninitialized warning with -ftrivial-auto-var-init= since r16-3956 rguenth at gcc dot gnu.org via Gcc-bugs
• 2026/09/17 [Bug c++/127462] New: internal compiler error: in temp_pop_parm_decls 0599jiangyc at gmail dot com via Gcc-bugs
• 2026/09/17 [Bug target/127461] ICE: in final_scan_insn_1, at final.cc:2817 (could not split insn {addv2qi3}) with -mtune=c3-2 liuhongt at gcc dot gnu.org via Gcc-bugs
• 2026/09/17 [Bug target/127461] ICE: in final_scan_insn_1, at final.cc:2817 (could not split insn {addv2qi3}) with -mtune=c3-2 liuhongt at gcc dot gnu.org via Gcc-bugs
• 2026/09/17 [Bug libstdc++/127424] 27_io testsuite: opening a FIFO with O_RDWR is undefined in POSIX; 9964.cc also stopped testing PR 9964 in 2004 gokbeykeskin at gmail dot com via Gcc-bugs
• 2026/09/17 [Bug target/127461] New: ICE: in final_scan_insn_1, at final.cc:2817 (could not split insn {addv2qi3}) with -mtune=c3-2 zsojka at seznam dot cz via Gcc-bugs
• 2026/09/17 [Bug target/127460] New: [PRU] Debug information causes an extra repeat-loop NOP with -fno-var-tracking yqtian668 at gmail dot com via Gcc-bugs
• 2026/09/17 [Bug target/127459] [14/15/16 Regression] x86: AVX512VL instruction (vinserti32x4, EVEX.256) emitted with only -mavx512f pinskia at gcc dot gnu.org via Gcc-bugs
• 2026/09/17 [Bug cobol/127412] error: iconv_open: cannot convert to 'CP1140' from 'CP1252' kargl at gcc dot gnu.org via Gcc-bugs
• 2026/09/17 [Bug target/127459] New: [14/15/16 Regression] x86: AVX512VL instruction (vinserti32x4, EVEX.256) emitted with only -mavx512f markrose at markrose dot ca via Gcc-bugs
• 2026/09/17 [Bug lto/126841] [LTO] -ffunction-sections can emit multiple distinct functions into one native section sjames at gcc dot gnu.org via Gcc-bugs
• 2026/09/17 [Bug c++/127458] New: tree check ICE on call of templated function with packed type and non-type parameters benjsith at gmail dot com via Gcc-bugs
• 2026/09/17 [Bug c/127457] New: Wrong wide string literal alignment lnicoara at thinkoid dot org via Gcc-bugs
• 2026/09/17 [Bug c++/107325] Defaulted operator<=> with a non-comparison-category return type is not deleted jakub at gcc dot gnu.org via Gcc-bugs
• 2026/09/17 [Bug c++/116335] defaulting int spaceship operator should be rejected pinskia at gcc dot gnu.org via Gcc-bugs
• 2026/09/17 [Bug c++/118387] ICE on spaceship for empty class member: in genericize_spaceship, at cp/method.cc:1101 jakub at gcc dot gnu.org via Gcc-bugs
• 2026/09/17 [Bug c++/107325] Defaulted operator<=> with a non-comparison-category return type is not deleted pinskia at gcc dot gnu.org via Gcc-bugs
• 2026/09/17 [Bug c++/127456] [15/16/17 Regression] ICE when defaulted operator<=> returns a reference pinskia at gcc dot gnu.org via Gcc-bugs
• 2026/09/17 [Bug c++/127456] New: ICE when defaulted operator<=> returns a reference arthur.j.odwyer at gmail dot com via Gcc-bugs
• 2026/09/17 [Bug c++/127434] [14/15/16/17 regression] IPA-SRA introduces unconditional load from conditionally accessed indexing header at -O2 pinskia at gcc dot gnu.org via Gcc-bugs
• 2026/09/17 [Bug c++/126811] [14/15/16/17 Regression] c++: ICE in tsubst when a constexpr init contains an NSDMI iains at gcc dot gnu.org via Gcc-bugs
• 2026/09/17 [Bug libstdc++/127424] 27_io testsuite: opening a FIFO with O_RDWR is undefined in POSIX; 9964.cc also stopped testing PR 9964 in 2004 redi at gcc dot gnu.org via Gcc-bugs
• 2026/09/17 [Bug libstdc++/9964] filebuf::close() sometimes fails to close file. cvs-commit at gcc dot gnu.org via Gcc-bugs
• 2026/09/17 [Bug libstdc++/127424] 27_io testsuite: opening a FIFO with O_RDWR is undefined in POSIX; 9964.cc also stopped testing PR 9964 in 2004 cvs-commit at gcc dot gnu.org via Gcc-bugs
• 2026/09/17 [Bug middle-end/127378] widening _BitInt store leaves most significant limb unwritten on PPC64 (big-endian) jakub at gcc dot gnu.org via Gcc-bugs
• 2026/09/17 [Bug libstdc++/127425] testsuite: __gnu_test::semaphore exits 0 when SysV semaphores are unavailable, so 10 tests report PASS without executing redi at gcc dot gnu.org via Gcc-bugs
• 2026/09/17 [Bug libstdc++/127425] testsuite: __gnu_test::semaphore exits 0 when SysV semaphores are unavailable, so 10 tests report PASS without executing cvs-commit at gcc dot gnu.org via Gcc-bugs
• 2026/09/17 [Bug c++/126811] [14/15/16/17 Regression] c++: ICE in tsubst when a constexpr init contains an NSDMI iains at gcc dot gnu.org via Gcc-bugs
• 2026/09/17 [Bug middle-end/127378] widening _BitInt store leaves most significant limb unwritten on PPC64 (big-endian) mmatti.gnu at gmail dot com via Gcc-bugs
• 2026/09/17 [Bug fortran/127448] Array pointer assignment doesn't correctly set the span mikael at gcc dot gnu.org via Gcc-bugs
• 2026/09/17 [Bug tree-optimization/127455] Unsigned casts prevent folding bit-mask MAX pinskia at gcc dot gnu.org via Gcc-bugs
• 2026/09/17 [Bug target/127449] MIPS: R6 forbidden slots not avoided for the purpose of debugging (-Og, etc.) pinskia at gcc dot gnu.org via Gcc-bugs
• 2026/09/17 [Bug middle-end/127378] widening _BitInt store leaves most significant limb unwritten on PPC64 (big-endian) jakub at gcc dot gnu.org via Gcc-bugs
• 2026/09/17 [Bug tree-optimization/127455] Unsigned casts prevent folding bit-mask MAX pinskia at gcc dot gnu.org via Gcc-bugs
• 2026/09/17 [Bug tree-optimization/127454] [16/17 Regression] false-postive -Wuninitialized warning with -ftrivial-auto-var-init= since r16-3956 jakub at gcc dot gnu.org via Gcc-bugs
• 2026/09/17 [Bug c++/127439] [17 regression] ICE building clang-23.1.1: unexpected expression ‘(const llvm::StringRef)"algorithm"’ of kind implicit_conv_expr since r17-4199 iains at gcc dot gnu.org via Gcc-bugs
• 2026/09/17 [Bug c++/127439] [17 regression] ICE building clang-23.1.1: unexpected expression ‘(const llvm::StringRef)"algorithm"’ of kind implicit_conv_expr since r17-4199 iains at gcc dot gnu.org via Gcc-bugs
• 2026/09/17 [Bug c++/127395] [17 Regression] ICE on abseil-cpp-20260817: in verify_ctor_sanity, at cp/constexpr.cc:7362 since r17-4199 iains at gcc dot gnu.org via Gcc-bugs
• 2026/09/17 [Bug tree-optimization/127455] New: [missed optimization] Unsigned casts prevent folding bit-mask MAX mikaseianatsu at proton dot me via Gcc-bugs
• 2026/09/17 [Bug fortran/125690] [PDT] ice in wide_int_to_tree_1, at tree.cc:1900 cvs-commit at gcc dot gnu.org via Gcc-bugs
• 2026/09/17 [Bug fortran/104776] Parameterized derived type component initialization: incorrect compiler error cvs-commit at gcc dot gnu.org via Gcc-bugs
• 2026/09/17 [Bug fortran/127448] Array pointer assignment doesn't correctly set the span jvdelisle at gcc dot gnu.org via Gcc-bugs
• 2026/09/17 [Bug middle-end/127378] widening _BitInt store leaves most significant limb unwritten on PPC64 (big-endian) jakub at gcc dot gnu.org via Gcc-bugs
• 2026/09/17 [Bug tree-optimization/127410] SLP node data recording is not idempotent; re-analysis discards the recorded result ptomsich at gcc dot gnu.org via Gcc-bugs
• 2026/09/17 [Bug tree-optimization/127405] [14/15/16 Regression] wrong code at -O3 with a reverse loop over std::vector<struct-of-2-doubles> rguenth at gcc dot gnu.org via Gcc-bugs
• 2026/09/17 [Bug c++/127395] [17 Regression] ICE on abseil-cpp-20260817: in verify_ctor_sanity, at cp/constexpr.cc:7362 since r17-4199 iains at gcc dot gnu.org via Gcc-bugs
• 2026/09/17 [Bug tree-optimization/127405] [14/15/16/17 Regression] wrong code at -O3 with a reverse loop over std::vector<struct-of-2-doubles> cvs-commit at gcc dot gnu.org via Gcc-bugs
• 2026/09/17 [Bug tree-optimization/127452] [17 Regression] forwprop generates 128bit multiplication even if not supported by the target since r17-3437 rguenth at gcc dot gnu.org via Gcc-bugs
• 2026/09/17 [Bug tree-optimization/127454] New: false-postive -Wuninitialized warning with -ftrivial-auto-var-init= arnd at linaro dot org via Gcc-bugs
• 2026/09/17 [Bug tree-optimization/127452] [17 Regression] forwprop generates 128bit multiplication even if not supported by the target since r17-3437 rguenth at gcc dot gnu.org via Gcc-bugs
• 2026/09/17 [Bug tree-optimization/127452] [17 Regression] forwprop generates 128bit multiplication even if not supported by the target since r17-3437 jakub at gcc dot gnu.org via Gcc-bugs
• 2026/09/17 [Bug tree-optimization/127452] [17 Regression] forwprop generates 128bit multiplication even if not supported by the target since r17-3437 jakub at gcc dot gnu.org via Gcc-bugs
• 2026/09/17 [Bug tree-optimization/127410] SLP node data recording is not idempotent; re-analysis discards the recorded result rguenther at suse dot de via Gcc-bugs
• 2026/09/17 [Bug tree-optimization/127452] [17 Regression] forwprop generates 128bit multiplication even if not supported by the target rguenth at gcc dot gnu.org via Gcc-bugs
• 2026/09/17 [Bug target/127449] MIPS: R6 forbidden slots not avoided for the purpose of debugging (-Og, etc.) rguenth at gcc dot gnu.org via Gcc-bugs
• 2026/09/17 [Bug tree-optimization/127405] [14/15/16/17 Regression] wrong code at -O3 with a reverse loop over std::vector<struct-of-2-doubles> rguenth at gcc dot gnu.org via Gcc-bugs
• 2026/09/17 [Bug tree-optimization/127452] [17 Regression] forwprop generates 128bit multiplication even if not supported by the target rguenth at gcc dot gnu.org via Gcc-bugs
• 2026/09/17 [Bug tree-optimization/127407] [14/15/16/17 Regression] wrong code with store group and negative dependence distance since r6-4137-g90a7a1b5b2c551 cvs-commit at gcc dot gnu.org via Gcc-bugs
• 2026/09/17 [Bug c++/127453] New: internal compiler error: in declare_module 0599jiangyc at gmail dot com via Gcc-bugs
• 2026/09/17 [Bug tree-optimization/127452] New: [17 Regression] forwprop generates 128bit multiplication even if not supported by the target rguenth at gcc dot gnu.org via Gcc-bugs
• 2026/09/17 [Bug c++/127451] New: internal compiler error: in cp_check_omp_declare_reduction 0599jiangyc at gmail dot com via Gcc-bugs
• 2026/09/17 [Bug c++/127450] New: internal compiler error: in check_noexcept_r 0599jiangyc at gmail dot com via Gcc-bugs
• 2026/09/17 [Bug target/120165] [m68k] gfortran segfaults when built with LRA enabled bernie at codewiz dot org via Gcc-bugs
• 2026/09/17 [Bug target/127432] [17 Regression] 17% slowdown of calculix on aarch64 since r17-4170-g81d25063773b48 rdapp at gcc dot gnu.org via Gcc-bugs
• 2026/09/17 [Bug fortran/127448] Array pointer assignment doesn't correctly set the span mikael at gcc dot gnu.org via Gcc-bugs
• 2026/09/17 [Bug target/127432] [17 Regression] 17% slowdown of calculix on aarch64 since r17-4170-g81d25063773b48 jmelcr at gcc dot gnu.org via Gcc-bugs
• 2026/09/17 [Bug fortran/127448] Array pointer assignment doesn't correctly set the span mikael at gcc dot gnu.org via Gcc-bugs
• 2026/09/17 [Bug target/127449] New: MIPS: R6 forbidden slots not avoided for the purpose of debugging (-Og, etc.) macro at orcam dot me.uk via Gcc-bugs
• 2026/09/17 [Bug fortran/127413] Array pointer assignment doesn't correctly set the element length mikael at gcc dot gnu.org via Gcc-bugs
• 2026/09/17 [Bug rtl-optimization/127367] [17 Regression] RISC-V: wrong code for unsigned _BitInt(96) % chenzhongyao.hit at gmail dot com via Gcc-bugs
• 2026/09/17 [Bug fortran/127413] Array pointer assignment doesn't correctly set the element length mikael at gcc dot gnu.org via Gcc-bugs
• 2026/09/17 [Bug target/120165] [m68k] gfortran segfaults when built with LRA enabled schwab--- via Gcc-bugs
• 2026/09/17 [Bug target/113939] Switch m68k to LRA schwab--- via Gcc-bugs
• 2026/09/17 [Bug target/127441] [M68K] [LRA] wrong code at -Os: va_list argument slot updated with a stale stack offset after push schwab--- via Gcc-bugs
• 2026/09/17 [Bug fortran/127448] New: Array pointer assignment doesn't correctly set the span mikael at gcc dot gnu.org via Gcc-bugs
• 2026/09/17 [Bug tree-optimization/127410] SLP node data recording is not idempotent; re-analysis discards the recorded result ptomsich at gcc dot gnu.org via Gcc-bugs
• 2026/09/17 [Bug target/127432] [17 Regression] 17% slowdown of calculix on aarch64 since r17-4170-g81d25063773b48 rdapp at gcc dot gnu.org via Gcc-bugs
• 2026/09/17 [Bug c++/127434] [14/15/16/17 regression] IPA-SRA introduces unconditional load from conditionally accessed indexing header at -O2 rguenth at gcc dot gnu.org via Gcc-bugs
• 2026/09/17 [Bug tree-optimization/127407] [14/15/16/17 Regression] wrong code with store group and negative dependence distance since r6-4137-g90a7a1b5b2c551 rguenth at gcc dot gnu.org via Gcc-bugs
• 2026/09/17 [Bug libstdc++/123409] negative_binomial_distribution::param() does not modify member gamma_distribution tkaminsk at gcc dot gnu.org via Gcc-bugs
• 2026/09/17 [Bug libstdc++/123409] negative_binomial_distribution::param() does not modify member gamma_distribution cvs-commit at gcc dot gnu.org via Gcc-bugs
• 2026/09/17 [Bug tree-optimization/127447] [15/16/17 Regression] Wrong code issue at -O2 and above from GCC-15.1 to 17.0 (trunk) versions since r15-6173 rguenth at gcc dot gnu.org via Gcc-bugs
• 2026/09/17 [Bug libgomp/125691] ICE when parsing malformed #pragma omp simd loop with missing for parentheses burnus at gcc dot gnu.org via Gcc-bugs
• 2026/09/17 [Bug target/127191] arc: gcc.c-torture/execute/pr68185.c fails since GCC 16 for ARC60x and ARC700 cvs-commit at gcc dot gnu.org via Gcc-bugs
• 2026/09/17 [Bug target/126243] arc: vectorization emits incorrect scalar ops cvs-commit at gcc dot gnu.org via Gcc-bugs
• 2026/09/17 [Bug tree-optimization/127447] [15/16/17 Regression] Wrong code issue at -O2 and above from GCC-15.1 to 17.0 (trunk) versions since r15-6173 rguenth at gcc dot gnu.org via Gcc-bugs
• 2026/09/17 [Bug middle-end/127213] [OpenMP] 'requires self_map/USM' leads to wrong code burnus at gcc dot gnu.org via Gcc-bugs
• 2026/09/17 [Bug c++/127439] [17 regression] ICE building clang-23.1.1: unexpected expression ‘(const llvm::StringRef)"algorithm"’ of kind implicit_conv_expr since r17-4199 jakub at gcc dot gnu.org via Gcc-bugs
• 2026/09/17 [Bug tree-optimization/127447] [15/16/17 Regression] Wrong code issue at -O2 and above from GCC-15.1 to 17.0 (trunk) versions since r15-6173 rguenth at gcc dot gnu.org via Gcc-bugs
• 2026/09/17 [Bug target/127445] [17 Regression] ICE: in df_refs_verify, at df-scan.cc:4012 with -Os -finstrument-functions-once -fzero-call-used-regs=all-gpr-arg ktkachov at gcc dot gnu.org via Gcc-bugs
• 2026/09/17 [Bug tree-optimization/127447] [15/16/17 Regression] Wrong code issue at -O2 and above from GCC-15.1 to 17.0 (trunk) versions since r15-6173 jakub at gcc dot gnu.org via Gcc-bugs
• 2026/09/17 [Bug rtl-optimization/127443] [17 Regression] ICE: in simplify_subreg_concatn, at lower-subreg.cc:678 with -O -g rdapp at gcc dot gnu.org via Gcc-bugs
• 2026/09/17 [Bug tree-optimization/127405] [14/15/16/17 Regression] wrong code at -O3 with a reverse loop over std::vector<struct-of-2-doubles> rguenth at gcc dot gnu.org via Gcc-bugs
• 2026/09/17 [Bug rtl-optimization/127438] [17 Regression] ICE: maximum number of LRA assignment passes is achieved (30) with -fvpt -fprofile-arcs -fharden-compares rguenth at gcc dot gnu.org via Gcc-bugs
• 2026/09/17 [Bug middle-end/127446] [17 Regression] small 3% performance regression for perl around August 19th rguenth at gcc dot gnu.org via Gcc-bugs
• 2026/09/17 [Bug tree-optimization/127444] `x sCMP -x` should be simplified into x sCMP 0 pinskia at gcc dot gnu.org via Gcc-bugs
• 2026/09/17 [Bug tree-optimization/127447] New: Wrong code issue at -O2 and above from GCC-15.1 to 17.0 (trunk) versions haoxintu at gmail dot com via Gcc-bugs
• 2026/09/17 [Bug tree-optimization/126332] -ftracer makes it harder to do ifcvt (like path splitting) rguenther at suse dot de via Gcc-bugs
• 2026/09/16 [Bug tree-optimization/127447] [15/16/17 Regression] Wrong code issue at -O2 and above from GCC-15.1 to 17.0 (trunk) versions pinskia at gcc dot gnu.org via Gcc-bugs
• 2026/09/16 [Bug tree-optimization/127447] [15/16/17 Regression] Wrong code issue at -O2 and above from GCC-15.1 to 17.0 (trunk) versions pinskia at gcc dot gnu.org via Gcc-bugs
• 2026/09/16 [Bug tree-optimization/127433] wrong aligned info with mutual alignment peeling caused segfault linkw at gcc dot gnu.org via Gcc-bugs
• 2026/09/16 [Bug c++/127439] [17 regression] ICE building clang-23.1.1: unexpected expression ‘(const llvm::StringRef)"algorithm"’ of kind implicit_conv_expr ted.d.rodgers at gmail dot com via Gcc-bugs
• 2026/09/16 [Bug lto/126841] [LTO] -ffunction-sections can emit multiple distinct functions into one native section luolongjuna at gmail dot com via Gcc-bugs
• 2026/09/16 [Bug middle-end/127446] New: [17 Regression] small 3% performance regression for perl around August 19th pinskia at gcc dot gnu.org via Gcc-bugs
• 2026/09/16 [Bug lto/126841] [LTO] -ffunction-sections can emit multiple distinct functions into one native section cvs-commit at gcc dot gnu.org via Gcc-bugs
• 2026/09/16 [Bug target/127445] [17 Regression] ICE: in df_refs_verify, at df-scan.cc:4012 with -Os -finstrument-functions-once -fzero-call-used-regs=all-gpr-arg pinskia at gcc dot gnu.org via Gcc-bugs
• 2026/09/16 [Bug rtl-optimization/127445] New: [17 Regression] ICE: in df_refs_verify, at df-scan.cc:4012 with -Os -finstrument-functions-once -fzero-call-used-regs=all-gpr-arg zsojka at seznam dot cz via Gcc-bugs
• 2026/09/16 [Bug rtl-optimization/127443] [17 Regression] ICE: in simplify_subreg_concatn, at lower-subreg.cc:678 with -O -g pinskia at gcc dot gnu.org via Gcc-bugs
• 2026/09/16 [Bug target/127442] [14 Regression] RISC‑V: auto-vectorization emits illegal vsetivli e32,mf2 for Zve32f target pinskia at gcc dot gnu.org via Gcc-bugs
• 2026/09/16 [Bug tree-optimization/127444] New: `x sCMP -x` should be simplified into x sCMP 0 pinskia at gcc dot gnu.org via Gcc-bugs
• 2026/09/16 [Bug rtl-optimization/127443] New: [17 Regression] ICE: in simplify_subreg_concatn, at lower-subreg.cc:678 with -O -g zsojka at seznam dot cz via Gcc-bugs
• 2026/09/16 [Bug c/127442] New: [14 Regression] RISC‑V: auto-vectorization emits illegal vsetivli e32,mf2 for Zve32f target bigmagicreadsun at gmail dot com via Gcc-bugs
• 2026/09/16 [Bug c/127441] New: [M68K] [LRA] wrong code at -Os: va_list argument slot updated with a stale stack offset after push bernie at codewiz dot org via Gcc-bugs
• 2026/09/16 [Bug tree-optimization/127440] cond_store_replacement_limited should support diamond shapped bb pinskia at gcc dot gnu.org via Gcc-bugs
• 2026/09/16 [Bug tree-optimization/127440] New: cond_store_replacement_limited should support diamond shapped bb pinskia at gcc dot gnu.org via Gcc-bugs
• 2026/09/16 [Bug tree-optimization/126195] [15 Regression] 737.gmsh_r validation error with "-O3 -march=native" haochen.jiang at intel dot com via Gcc-bugs
• 2026/09/16 [Bug cobol/127412] error: iconv_open: cannot convert to 'CP1140' from 'CP1252' kargl at gcc dot gnu.org via Gcc-bugs

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