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• 2026/09/11 [Bug ipa/79966] [14/15/16/17 Regression] Test gfortran.dg/pr79966.f90 slow again, inliner hits max-inline-insns-auto jakub at gcc dot gnu.org via Gcc-bugs
• 2026/09/11 [Bug middle-end/79755] [14/15/16/17 Regression] ICE: segfault in cgraph_node::get, at cgraph.h:1261 jakub at gcc dot gnu.org via Gcc-bugs
• 2026/09/11 [Bug rtl-optimization/55278] [14/15/16/17 Regression] Botan performance regressions, other compilers generate better code than gcc jakub at gcc dot gnu.org via Gcc-bugs
• 2026/09/11 [Bug target/55428] [14/15/16/17 Regression] -mms-bitfields hides -mno-align-double option jakub at gcc dot gnu.org via Gcc-bugs
• 2026/09/11 [Bug rtl-optimization/56451] [14 regression] Wrong code for gcc.c-torture/execute/941015-1.c on SH jakub at gcc dot gnu.org via Gcc-bugs
• 2026/09/11 [Bug tree-optimization/68682] [14/15/16/17 Regression] [graphite] loop interchange no longer working after r227277 jakub at gcc dot gnu.org via Gcc-bugs
• 2026/09/11 [Bug target/54063] [14/15/16/17 regression] on powerpc64 gcc 4.9/8 generates larger code for global variable accesses than gcc 4.7 jakub at gcc dot gnu.org via Gcc-bugs
• 2026/09/11 [Bug debug/63572] [14/15/16/17 Regression] ICF breaks user debugging experience jakub at gcc dot gnu.org via Gcc-bugs
• 2026/09/11 [Bug tree-optimization/50417] [14/15/16/17 Regression] memcpy with pointer to type with natural alignment bigger than char jakub at gcc dot gnu.org via Gcc-bugs
• 2026/09/11 [Bug rtl-optimization/52285] [14/15/16/17 Regression] libgcrypt _gcry_burn_stack slowdown jakub at gcc dot gnu.org via Gcc-bugs
• 2026/09/11 [Bug tree-optimization/59967] [14/15/16/17 Regression] Performance regression from 4.7.x to 4.8.x (loop not unrolled) jakub at gcc dot gnu.org via Gcc-bugs
• 2026/09/11 [Bug c/78568] [14/15/16/17 Regression] Wtype-limits warning regression jakub at gcc dot gnu.org via Gcc-bugs
• 2026/09/11 [Bug sanitizer/79096] [14/15/16/17 Regression] address sanitizer and jni does not work jakub at gcc dot gnu.org via Gcc-bugs
• 2026/09/11 [Bug tree-optimization/62630] [14/15/16/17 Regression] gcc.dg/graphite/vect-pr43423.c XFAILed jakub at gcc dot gnu.org via Gcc-bugs
• 2026/09/11 [Bug debug/61014] [14/15/16/17 Regression] gdb can't find symbol of derived data type array in nested subroutine jakub at gcc dot gnu.org via Gcc-bugs
• 2026/09/11 [Bug libstdc++/77691] [14/15/16/17 regression] experimental/memory_resource/resource_adaptor.cc FAILs jakub at gcc dot gnu.org via Gcc-bugs
• 2026/09/11 [Bug target/122504] [14/15/16/17 Regression] -fno-plt code quality regression on arm64 since r8-685 jakub at gcc dot gnu.org via Gcc-bugs
• 2026/09/11 [Bug libgcc/57221] [14/15/16/17 regression] libgcc symbol visibility changes break Android blobs jakub at gcc dot gnu.org via Gcc-bugs
• 2026/09/11 [Bug target/88917] [14/15/16/17 Regression] Error: can't resolve `.text' {.text section} - `.LCFI2' {.text.unlikely section} with -fno-dwarf2-cfi-asm -mindirect-branch=thunk-inline jakub at gcc dot gnu.org via Gcc-bugs
• 2026/09/11 [Bug middle-end/77499] [14/15/16/17 Regression] Regression after code-hoisting, due to combine pass failing to evaluate known value range jakub at gcc dot gnu.org via Gcc-bugs
• 2026/09/11 [Bug tree-optimization/64715] [14/15/16/17 Regression] __builtin_object_size (..., 1) fails to locate subobject jakub at gcc dot gnu.org via Gcc-bugs
• 2026/09/11 [Bug rtl-optimization/122266] [14 regression] miscompilation of int128 xor-and-shift under -O2 in combine jakub at gcc dot gnu.org via Gcc-bugs
• 2026/09/11 [Bug ipa/62051] [14/15/16/17 Regression] Undefined reference to vtable with -O2 and -fdevirtualize-speculatively jakub at gcc dot gnu.org via Gcc-bugs
• 2026/09/11 [Bug middle-end/122860] [14/15 Regression] ICE: in expand_expr_addr_expr_1, at expr.cc jakub at gcc dot gnu.org via Gcc-bugs
• 2026/09/11 [Bug c++/122836] [14/15 Regression] ICE: in reshape_init_r, at cp/decl.cc jakub at gcc dot gnu.org via Gcc-bugs
• 2026/09/11 [Bug c++/122355] [14/15/16/17 Regression] internal compiler error: in validate_constant, at c-family/c-format.cc:321 with an invalid format attribute on a static method on both declaration and definition jakub at gcc dot gnu.org via Gcc-bugs
• 2026/09/11 [Bug c++/123030] [14/15 Regression] [accepts-invalid] no error for calling a deleted destructor in array new since r0-126018 jakub at gcc dot gnu.org via Gcc-bugs
• 2026/09/11 [Bug tree-optimization/96135] [14/15/16/17 regression] bswap not detected by bswap pass, unexpected results between optimization levels jakub at gcc dot gnu.org via Gcc-bugs
• 2026/09/11 [Bug middle-end/122348] [14/15 Regression] ICE: in store_constructor, at expr.cc:7565 since r13-990 jakub at gcc dot gnu.org via Gcc-bugs
• 2026/09/11 [Bug c++/122631] [14/15/16/17 Regression] Function parameter conversion is broken when dereferencing a function jakub at gcc dot gnu.org via Gcc-bugs
• 2026/09/11 [Bug bootstrap/122924] [14/15/16/17 Regression] make bootstrap2 does not build dlang's std since r12-5631 jakub at gcc dot gnu.org via Gcc-bugs
• 2026/09/11 [Bug libobjc/121984] [14/15/16/17 Regression] Build failure on AIX 7.{1, 3}: implicit declaration of function 'rs6000_special_adjust_field_align' jakub at gcc dot gnu.org via Gcc-bugs
• 2026/09/11 [Bug c++/122854] [14/15/16/17 Regression] ICE：in digest_init_r, at cp/typeck2.cc since r10-5137 jakub at gcc dot gnu.org via Gcc-bugs
• 2026/09/11 [Bug c++/122192] [14 Regression] Lookup for a dependent nested type as a base-specifier should be type-only jakub at gcc dot gnu.org via Gcc-bugs
• 2026/09/11 [Bug c++/122144] [14/15/16/17 Regression] Pack expansion with a lambda as a pattern mistakenly leads to CE jakub at gcc dot gnu.org via Gcc-bugs
• 2026/09/11 [Bug rtl-optimization/116645] [14/15/16/17 regression] Huge performance loss after 13.2.0 compiler upgrade; reload CSE regs has scalability issues jakub at gcc dot gnu.org via Gcc-bugs
• 2026/09/11 [Bug c++/120238] [14/15/16/17 Regression] ICE (verify_gimple failed) since r12-657 jakub at gcc dot gnu.org via Gcc-bugs
• 2026/09/11 [Bug c++/120136] [14/15 Regression] internal compiler error: tree check: accessed elt 1 of 'tree_vec' with -1 elts in add_to_template_args, at cp/pt.cc:612 jakub at gcc dot gnu.org via Gcc-bugs
• 2026/09/11 [Bug tree-optimization/122537] [14 Regression] wrong code at -O3 with -fwrapv jakub at gcc dot gnu.org via Gcc-bugs
• 2026/09/11 [Bug preprocessor/8270] [14/15/16/17 Regression] back-slash white space newline with comments, no warning jakub at gcc dot gnu.org via Gcc-bugs
• 2026/09/11 [Bug c++/122113] [14/15/16/17 Regression] ICE: finish_expr_stmt at cp/semantics.cc:1169 with anonymous union member initialized by f(this) jakub at gcc dot gnu.org via Gcc-bugs
• 2026/09/11 [Bug driver/122107] [14/15/16/17 Regression] -d no longer shown in --help=common jakub at gcc dot gnu.org via Gcc-bugs
• 2026/09/11 [Bug c++/120127] [14/15/16/17 Regression] ICE in GCC when calling destructor of undefined type name in lambda (lookup_template_class crash) jakub at gcc dot gnu.org via Gcc-bugs
• 2026/09/11 [Bug tree-optimization/120210] [14/15/16/17 Regression] std::array like class gives an maybe-uninitialized warning on size() function jakub at gcc dot gnu.org via Gcc-bugs
• 2026/09/11 [Bug ipa/120098] [14 Regression] g++.dg/lto/devirt-23 FAILs since r16-372-g064cac730f88dc jakub at gcc dot gnu.org via Gcc-bugs
• 2026/09/11 [Bug c++/120272] [14/15/16/17 Regression] ICE in get_local_decls, at cp/name-lookup.c:4594 since 13.3 (r14-5514) jakub at gcc dot gnu.org via Gcc-bugs
• 2026/09/11 [Bug c++/120287] [14/15/16/17 Regression] internal compiler error: tree check: expected class 'type', have 'exceptional' (error_mark) in is_std_substitution, at cp/mangle.cc:507 jakub at gcc dot gnu.org via Gcc-bugs
• 2026/09/11 [Bug rtl-optimization/114261] [14/15/16/17 Regression] Scheduling takes excessive time (97%) since r13-5154-g733a1b777f1 jakub at gcc dot gnu.org via Gcc-bugs
• 2026/09/11 [Bug c++/119437] [14/15/16/17 regression] ICE in build_base_path, at cp/class.cc:302 jakub at gcc dot gnu.org via Gcc-bugs
• 2026/09/11 [Bug c++/114578] [14 Regression] memory hog, virtual memory exhausted, building a c++ file on arm-linux-gnueabihf jakub at gcc dot gnu.org via Gcc-bugs
• 2026/09/11 [Bug c++/119515] [14/15/16/17 Regression] subsumption fails with concept-id that uses a function parameter of an abbreviated function template jakub at gcc dot gnu.org via Gcc-bugs
• 2026/09/11 [Bug c/119651] [14/15 Regression] internal compiler error: tree check: expected class 'type', have 'exceptional' (error_mark) in tree_nonzero_bits, at fold-const.cc:16702 jakub at gcc dot gnu.org via Gcc-bugs
• 2026/09/11 [Bug target/102772] [14/15/16/17 regression] g++.dg/torture/pr80334.C FAILs jakub at gcc dot gnu.org via Gcc-bugs
• 2026/09/11 [Bug target/89557] [14/15/16/17 regression] 4*movq to 2*movaps IPC performance regression on znver1 with -Og jakub at gcc dot gnu.org via Gcc-bugs
• 2026/09/11 [Bug c++/120289] [14/15/16/17 Regression] internal compiler error: tree check: accessed elt 2 of 'tree_vec' with 1 elts in tsubst, at cp/pt.cc:16650 since 6.1 jakub at gcc dot gnu.org via Gcc-bugs
• 2026/09/11 [Bug c++/118944] [14/15/16/17 Regression] deduced conflicting types for explicitly specified (non-deduced) template parameter in static member function (and explicit object member function) of struct template jakub at gcc dot gnu.org via Gcc-bugs
• 2026/09/11 [Bug c++/118760] [14/15/16/17 Regression] Alias template in dependent base used via injected-class-name incorrectly rejected jakub at gcc dot gnu.org via Gcc-bugs
• 2026/09/11 [Bug c++/119661] [14/15/16/17 Regression] Possible "accepts invalid": member access into incomplete type 'struct s' since r9-713 jakub at gcc dot gnu.org via Gcc-bugs
• 2026/09/11 [Bug c++/119436] [14/15/16/17 regression] ICE in pop_local_binding, at cp/name-lookup.cc:2636 since r0-96917 jakub at gcc dot gnu.org via Gcc-bugs
• 2026/09/11 [Bug target/119010] [14/15/16/17 Regression] zn4zn5.md automaton lacks a lot of reservations jakub at gcc dot gnu.org via Gcc-bugs
• 2026/09/11 [Bug c/118820] [14/15/16/17 Regression] preprocessor output with #pragma inside a #pragma is incorrect jakub at gcc dot gnu.org via Gcc-bugs
• 2026/09/11 [Bug target/116979] [14/15/16/17 regression] fma not always used in complex product jakub at gcc dot gnu.org via Gcc-bugs
• 2026/09/11 [Bug c++/119445] [14/15/16/17 Regression] ICE: tree check: expected template_decl, have error_mark in build_deduction_guide, at cp/pt.cc:30483 jakub at gcc dot gnu.org via Gcc-bugs
• 2026/09/11 [Bug tree-optimization/118637] [14 Regression] gcc fails to optimize unsigned division by 2 to shift right by 1 jakub at gcc dot gnu.org via Gcc-bugs
• 2026/09/11 [Bug libstdc++/118665] [14/15/16/17 Regression] std::uniform_int_distribution infinite loop with generator returning 0 jakub at gcc dot gnu.org via Gcc-bugs
• 2026/09/11 [Bug c++/97165] [14/15/16/17 Regression] Infinite error stream on invalid code jakub at gcc dot gnu.org via Gcc-bugs
• 2026/09/11 [Bug rtl-optimization/118350] [14/15/16/17 Regression] Wrong number of loop iterations starting with r7-3839-gde0a3fa38e2ad8 jakub at gcc dot gnu.org via Gcc-bugs
• 2026/09/11 [Bug target/116698] [14/15/16/17 Regression] ICE: in add_cfi_args_size, at dwarf2cfi.cc:501 with -O -finstrument-functions -fstack-check=generic -m32 -mrtd -maccumulate-outgoing-args jakub at gcc dot gnu.org via Gcc-bugs
• 2026/09/11 [Bug c++/109065] [14/15/16/17 Regression] Type alias combination erroneously fails with "incomplete type" jakub at gcc dot gnu.org via Gcc-bugs
• 2026/09/11 [Bug ipa/113907] [13 regression] ICU miscompiled on x86 since r14-5109-ga291237b628f41 jakub at gcc dot gnu.org via Gcc-bugs
• 2026/09/11 [Bug tree-optimization/119592] [14/15/16/17 Regression] false positive array bounds warning with set<set<int>> since r12-1992-g6feb628a706e86 jakub at gcc dot gnu.org via Gcc-bugs
• 2026/09/11 [Bug tree-optimization/115771] [14 regression] false positive -Wstringop-overread with -O2 jakub at gcc dot gnu.org via Gcc-bugs
• 2026/09/11 [Bug tree-optimization/116426] [14/15/16/17 Regression] bogus -Wnull-dereference warning since r13-1268-g8c99e307b20c50 jakub at gcc dot gnu.org via Gcc-bugs
• 2026/09/11 [Bug rtl-optimization/116560] [14/15/16/17 Regression] RISC-V : rv32 code optimization , big code difference between 8/9.x and 10.x jakub at gcc dot gnu.org via Gcc-bugs
• 2026/09/11 [Bug tree-optimization/118232] [14/15/16/17 regression] wrong union member size identification in -Os optimization, starting from gcc 11 till current jakub at gcc dot gnu.org via Gcc-bugs
• 2026/09/11 [Bug c++/116722] [14 Regression] ICE with constexpr template constructor and floating point value jakub at gcc dot gnu.org via Gcc-bugs
• 2026/09/11 [Bug middle-end/116753] [14/15/16/17 Regression] GCC trunk (-O3) can't fold a loop into a constant since r13-3596-ge7310e24b1c0ca67b1bb507c1330b2bf39e59e32 jakub at gcc dot gnu.org via Gcc-bugs
• 2026/09/11 [Bug tree-optimization/116884] [14/15/16/17 Regression] Bogus strcpy -Warray-bounds warning following memset of destination after r13-455 jakub at gcc dot gnu.org via Gcc-bugs
• 2026/09/11 [Bug c/116357] [14 Regression] The item's address of the array is not correct if aligned is used jakub at gcc dot gnu.org via Gcc-bugs
• 2026/09/11 [Bug libstdc++/119029] [14/15/16/17 regression] abi_check FAILs on Solaris with gld jakub at gcc dot gnu.org via Gcc-bugs
• 2026/09/11 [Bug tree-optimization/116747] [14 Regression] ICE on valid code at -O3 on x86_64-linux-gnu: Segmentation fault jakub at gcc dot gnu.org via Gcc-bugs
• 2026/09/11 [Bug target/116917] [14 Regression] raised TYPES.UNRECOVERABLE_ERROR : comperr.adb:414 during RTL pass: dwarf2, in connect_traces, at dwarf2cfi.cc:3079 on s390x-linux-gnu jakub at gcc dot gnu.org via Gcc-bugs
• 2026/09/11 [Bug target/114513] [14/15/16/17 Regression] [aarch64] floating-point registers are used when GPRs are preferred jakub at gcc dot gnu.org via Gcc-bugs
• 2026/09/11 [Bug middle-end/116216] [14/15/16/17 regression] -Wstringop-overread in attribs.cc since r13-754-ga1c9f779f75283 jakub at gcc dot gnu.org via Gcc-bugs
• 2026/09/11 [Bug c++/116682] [14/15/16/17 Regression] ICE with enum definition inside a generic lamda (inside a template function) argument converting to an int with constexpr jakub at gcc dot gnu.org via Gcc-bugs
• 2026/09/11 [Bug target/115777] [14/15/16/17 regression] Severe performance regression on insertion sort at -O2 or above jakub at gcc dot gnu.org via Gcc-bugs
• 2026/09/11 [Bug middle-end/114480] [14/15/16/17 Regression] g++: internal compiler error: Segmentation fault signal terminated program cc1plus jakub at gcc dot gnu.org via Gcc-bugs
• 2026/09/11 [Bug target/114432] [14/15/16/17 Regression] ICE in connect_traces, at dwarf2cfi.cc:3079 on s390x-linux-gnu jakub at gcc dot gnu.org via Gcc-bugs
• 2026/09/11 [Bug analyzer/114677] [14/15/16/17 Regression] -Wanalyzer-fd-leak false positive writing to int * param jakub at gcc dot gnu.org via Gcc-bugs
• 2026/09/11 [Bug testsuite/115827] [14/15 Regression] uninit-17.c no longer emits expected warning on arm soft-float jakub at gcc dot gnu.org via Gcc-bugs
• 2026/09/11 [Bug c++/117042] [14/15/16/17 Regression] internal compiler error: Segmentation fault in tsubst(tree_node*, tree_node*, int, tree_node*) jakub at gcc dot gnu.org via Gcc-bugs
• 2026/09/11 [Bug tree-optimization/114511] [14/15/16/17 Regression] Missed optimization: x = -y; x = c + x + y; ==> x=c; jakub at gcc dot gnu.org via Gcc-bugs
• 2026/09/11 [Bug ipa/115767] [14/15/16/17 regression] GCC loses track of value on aarch64 with -O2 since r11-3308-gd119f34c952f87 jakub at gcc dot gnu.org via Gcc-bugs
• 2026/09/11 [Bug c++/114804] [14/15/16/17 Regression] using of a static variable inside a template is not found for use of a base class template of an inner class during instantiation since r11-6815 jakub at gcc dot gnu.org via Gcc-bugs
• 2026/09/11 [Bug target/114621] [14/15/16/17 Regression] ICE: in extract_insn, at recog.cc:2812 (unrecognizable insn) with -O -fpie and _Thread_local with large offset jakub at gcc dot gnu.org via Gcc-bugs
• 2026/09/11 [Bug tree-optimization/114622] [14/15/16/17 regression] memcmp -Wstringop-overread false positive with -O0 jakub at gcc dot gnu.org via Gcc-bugs
• 2026/09/11 [Bug target/116444] [14 regression] gcc.target/arm/thumb-ifcvt-2.c fails on Cortex-M55 and misses possible Cortex-M optimization since r11-3286-gc2bb84be4a6e58 jakub at gcc dot gnu.org via Gcc-bugs
• 2026/09/11 [Bug rtl-optimization/110418] [14/15 regression] ICE on valid code at -O2 and -O3 with -fselective-scheduling2: Segmentation fault jakub at gcc dot gnu.org via Gcc-bugs
• 2026/09/11 [Bug tree-optimization/114789] [14 regression] False positive -Wmaybe-uninitialized at -O2 jakub at gcc dot gnu.org via Gcc-bugs
• 2026/09/11 [Bug c++/110401] [14/15/16/17 Regression] Unhelpful "goto is not a constant expression" in ill-formed pre c++20 constexpr function template jakub at gcc dot gnu.org via Gcc-bugs
• 2026/09/11 [Bug rtl-optimization/110391] [14/15/16/17 Regression] wrong code at -O2 and -O3 with "-fsel-sched-pipelining -fselective-scheduling2" on x86_64-linux-gnu jakub at gcc dot gnu.org via Gcc-bugs
• 2026/09/11 [Bug tree-optimization/114385] [14/15/16/17 regression] -Wrestrict false positive creating std::string from iterators jakub at gcc dot gnu.org via Gcc-bugs
• 2026/09/11 [Bug libgcc/110775] [14/15/16/17 Regression] abort define causing issues in tsystem.h jakub at gcc dot gnu.org via Gcc-bugs
• 2026/09/11 [Bug ipa/110334] [14 regression] unused functions not eliminated before LTO streaming jakub at gcc dot gnu.org via Gcc-bugs
• 2026/09/11 [Bug c/114869] [14 Regression] GCC says nullptr_t is a C built in but it should be in <stddef.h> jakub at gcc dot gnu.org via Gcc-bugs
• 2026/09/11 [Bug debug/104277] [meta-bug] gstatement-frontiers issues jakub at gcc dot gnu.org via Gcc-bugs
• 2026/09/11 [Bug tree-optimization/110501] [14/15/16/17 regression] Invalid -Wuse-after-free / realloc with a store/load happening jakub at gcc dot gnu.org via Gcc-bugs
• 2026/09/11 [Bug c/110238] [14/15/16/17 Regression] Incorrect "comparison between pointer and zero character constant" warning when comparing pointer to unsigned null pointer constant since r7-5677-ga9342885b149 jakub at gcc dot gnu.org via Gcc-bugs
• 2026/09/11 [Bug c++/110938] [14/15/16/17 Regression] miscompile if implicit special member is deleted and mutable jakub at gcc dot gnu.org via Gcc-bugs
• 2026/09/11 [Bug c++/103273] [14/15/16/17 Regression] internal compiler error: in cp_parser_type_id_1, at cp/parser.c:24010 jakub at gcc dot gnu.org via Gcc-bugs
• 2026/09/11 [Bug sanitizer/110835] [14/15/16/17 Regression] -fsanitize=address causes huge runtime slowdown from std::rethrow_exception not called jakub at gcc dot gnu.org via Gcc-bugs
• 2026/09/11 [Bug fortran/110626] [14/15/16/17 regression] Duplicated finalization in derived jakub at gcc dot gnu.org via Gcc-bugs
• 2026/09/11 [Bug tree-optimization/110173] [14/15/16/17 Regression] Missed Dead Code Elimination when using __builtin_unreachable jakub at gcc dot gnu.org via Gcc-bugs
• 2026/09/11 [Bug analyzer/109027] [14/15/16/17 Regression] ICE: SIGSEGV (infinite recursion in ana::constraint_manager::eval_condition / ana::constraint_manager::impossible_derived_conditions_p) with -fanalyzer since r13-6101-g4d3b7be281e73ecd jakub at gcc dot gnu.org via Gcc-bugs
• 2026/09/11 [Bug analyzer/109014] [14/15/16/17 Regression] -Wanalyzer-use-of-uninitialized-value seen in pcre2-10.42's pcre2test.c jakub at gcc dot gnu.org via Gcc-bugs
• 2026/09/11 [Bug tree-optimization/110091] [14/15 Regression] bogus -Wdangling-pointer on non-pointer values jakub at gcc dot gnu.org via Gcc-bugs
• 2026/09/11 [Bug tree-optimization/108770] [14/15/16/17 regression] Spurious -Warray-bounds at -O2 (gcc >= 12) jakub at gcc dot gnu.org via Gcc-bugs
• 2026/09/11 [Bug target/109302] [14/15/16/17 Regression] ICE in emit_move_insn, at expr.cc:4225 jakub at gcc dot gnu.org via Gcc-bugs
• 2026/09/11 [Bug c++/110565] [14/15/16/17 Regression] Incomplete note on why initializing int& with int is ill-formed jakub at gcc dot gnu.org via Gcc-bugs
• 2026/09/11 [Bug analyzer/108708] [14/15/16/17 Regression] __analyzer_dump_named_constant fails with derived values jakub at gcc dot gnu.org via Gcc-bugs
• 2026/09/11 [Bug rtl-optimization/110093] [14 Regression][avr] Move frenzy leading to code bloat jakub at gcc dot gnu.org via Gcc-bugs
• 2026/09/11 [Bug debug/108656] [14/15/16/17 Regression] '-fcompare-debug' failure (length) w/ -O2 -fno-ipa-pure-const -fno-tree-dce --param early-inlining-insns=0 since r12-5236 jakub at gcc dot gnu.org via Gcc-bugs
• 2026/09/11 [Bug c++/109381] [14/15/16/17 Regression] Ambiguous member lookup with this-> accepted when it should be rejected since r8-5270-g2b031ef48e365e jakub at gcc dot gnu.org via Gcc-bugs
• 2026/09/11 [Bug tree-optimization/108629] [14/15/16/17 regression] 549.fotonik3d_r regresses 15-24% at -O2 -flto -march=x86-64-v3 since r13-1203-g038b077689bb53 jakub at gcc dot gnu.org via Gcc-bugs
• 2026/09/11 [Bug c++/109084] [14/15/16/17 Regression] requires keyword can't access private static constexpr bool in templated class jakub at gcc dot gnu.org via Gcc-bugs
• 2026/09/11 [Bug analyzer/109131] [14/15/16/17 Regression] -Wanalyzer-deref-before-check false positive seen in git's builtin/show-ref.c jakub at gcc dot gnu.org via Gcc-bugs
• 2026/09/11 [Bug tree-optimization/108419] [14/15/16/17 Regression] Dead Code Elimination Regression at -O2 since r13-440-g98e475a8f58 jakub at gcc dot gnu.org via Gcc-bugs
• 2026/09/11 [Bug sanitizer/109090] [14/15/16/17 Regression] UBSan signed integer overflow check missing. jakub at gcc dot gnu.org via Gcc-bugs
• 2026/09/11 [Bug rtl-optimization/106315] [14/15/16/17 Regression] 7.8% increased codesize on specfp 507.cactuBSSN_r at -Ofast -funroll-loops since r13-1268 jakub at gcc dot gnu.org via Gcc-bugs
• 2026/09/11 [Bug middle-end/105126] [14/15/16/17 Regression] Optimization regression gcc inserts not needed movsx when using switch statement jakub at gcc dot gnu.org via Gcc-bugs
• 2026/09/11 [Bug c++/105099] [14/15/16/17 Regression] In lookup of namespace name qualifiers only namespaces should be considered jakub at gcc dot gnu.org via Gcc-bugs
• 2026/09/11 [Bug middle-end/104965] [14 Regression] Yet another -Warray-bounds false positive jakub at gcc dot gnu.org via Gcc-bugs
• 2026/09/11 [Bug tree-optimization/105329] [14/15/16/17 Regression] Bogus restrict warning when assigning 1-char string literal to std::string since r12-3347-g8af8abfbbace49e6 jakub at gcc dot gnu.org via Gcc-bugs
• 2026/09/11 [Bug middle-end/105346] [14/15/16/17 Regression] -Wno-free-nonheap-object false positive (on Bison-generated grammar code) jakub at gcc dot gnu.org via Gcc-bugs
• 2026/09/11 [Bug ipa/105227] [14/15/16/17 Regression] ICE in type_in_anonymous_namespace_p with alias on virtual method since r9-2502-g143b379d89b12ccc jakub at gcc dot gnu.org via Gcc-bugs
• 2026/09/11 [Bug tree-optimization/95825] [14/15 Regression] boost::optional -Wuninitialized with -fsanitize=address since r7-6972 jakub at gcc dot gnu.org via Gcc-bugs
• 2026/09/11 [Bug tree-optimization/105216] [14/15/16/17 regression] 8% regression for m-queens compared to gcc11 O2 on CLX. since r12-3876-g4a960d548b7d7d94 jakub at gcc dot gnu.org via Gcc-bugs
• 2026/09/11 [Bug target/105010] [14/15/16/17 regression] GCC 12 after 20220227 fails to build on powerpc64-freebsd with Error: invalid mfcr mask jakub at gcc dot gnu.org via Gcc-bugs
• 2026/09/11 [Bug tree-optimization/103542] [14/15 regression] bogus -Warray-bounds while index is limited by switch/case jakub at gcc dot gnu.org via Gcc-bugs
• 2026/09/11 [Bug tree-optimization/102981] [14/15/16/17 Regression] Dead Code Elimination Regression at -O3 (trunk vs 11.2.0) jakub at gcc dot gnu.org via Gcc-bugs
• 2026/09/11 [Bug c++/103373] [14/15/16/17 Regression] ICE in add_constraint, at cp/constraint.cc:1077 since r10-3735-gcb57504a55015891 jakub at gcc dot gnu.org via Gcc-bugs
• 2026/09/11 [Bug target/103395] [14/15/16/17 Regression] ICE on qemu in arm create_fix_barrier jakub at gcc dot gnu.org via Gcc-bugs
• 2026/09/11 [Bug target/102737] [14/15/16/17 Regression] extra mov with int->double conversion and addition (incoming arguments and return) jakub at gcc dot gnu.org via Gcc-bugs
• 2026/09/11 [Bug rtl-optimization/100533] [14/15/16/17 Regression] aarch64: -fcompare-debug failure with -O -fmodulo-sched jakub at gcc dot gnu.org via Gcc-bugs
• 2026/09/11 [Bug middle-end/102697] [14/15/16/17 Regression] overflow warning missing after -O2 vectorization jakub at gcc dot gnu.org via Gcc-bugs
• 2026/09/11 [Bug c++/101730] [14/15/16/17 Regression] ICE in cp_parser_ctor_initializer_opt_and_function_body, at cp/parser.c:24549 since r11-723-g020d86db8896f088 jakub at gcc dot gnu.org via Gcc-bugs
• 2026/09/11 [Bug ipa/103223] [14/15/16/17 regression] Access attribute dropped when ipa-sra is applied jakub at gcc dot gnu.org via Gcc-bugs
• 2026/09/11 [Bug c++/101903] [14/15/16/17 Regression] ICE with invalid constexpr constructor in template class jakub at gcc dot gnu.org via Gcc-bugs
• 2026/09/11 [Bug tree-optimization/102756] [14/15/16/17 Regression] Complete unrolling is too senative to PRE; c-c++-common/torture/vector-compare-2.c jakub at gcc dot gnu.org via Gcc-bugs
• 2026/09/11 [Bug ipa/101625] [14/15/16/17 Regression] ICE in modref_tree<int>::merge with LTO since r11-3825-g71dbabccbfb295c8 jakub at gcc dot gnu.org via Gcc-bugs
• 2026/09/11 [Bug debug/100523] [14/15/16/17 Regression] armv8.1-m.main -fcompare-debug failure with -O -fmodulo-sched -mtune=cortex-a53 jakub at gcc dot gnu.org via Gcc-bugs
• 2026/09/11 [Bug c++/100507] [14/15/16/17 Regression] ICE on invalid: tree check expects tree that contains 'decl common' jakub at gcc dot gnu.org via Gcc-bugs
• 2026/09/11 [Bug d/102765] [14/15/16/17 Regression] GDC11 stopped inlining library functions and lambdas used by a binary search one-liner code jakub at gcc dot gnu.org via Gcc-bugs
• 2026/09/11 [Bug c++/101303] [14/15/16/17 Regression] ICE from modified lambda-generic-100362.C test case from bug 100362 jakub at gcc dot gnu.org via Gcc-bugs
• 2026/09/11 [Bug middle-end/100595] [14/15/16/17 Regression] ICE: output_operand with static const int of address of label + difference of label jakub at gcc dot gnu.org via Gcc-bugs
• 2026/09/11 [Bug target/69639] [14/15/16/17 Regression] FAIL: gcc.c-torture/compile/limits-exprparen.c jakub at gcc dot gnu.org via Gcc-bugs
• 2026/09/11 [Bug c++/100460] [14/15/16/17 Regression][modules] mingw build broken due to use of unsupported open() flags jakub at gcc dot gnu.org via Gcc-bugs
• 2026/09/11 [Bug testsuite/100346] [14/15/16/17 regression] printf tests fail after r11-6755 jakub at gcc dot gnu.org via Gcc-bugs
• 2026/09/11 [Bug debug/100530] [14 Regression] ICE with -g: in add_dwarf_attr with __seg_gs (Alternative address-space) global variable since r8-4385-ga297ccb52e0c894e jakub at gcc dot gnu.org via Gcc-bugs
• 2026/09/11 [Bug c++/96465] [14/15/16/17 Regression] ICE in tsubst_function_decl, at cp/pt.c:13669 jakub at gcc dot gnu.org via Gcc-bugs
• 2026/09/11 [Bug target/18346] [14/15/16/17 regression] mmix-knuth-mmixware testsuite failure: gcc.dg/trampoline-1.c jakub at gcc dot gnu.org via Gcc-bugs
• 2026/09/11 [Bug c++/98803] [14/15/16/17 Regression] [C++20] ICE on invalid code with checked build [in synthesize_implicit_template_parm, at cp/parser.c:45335] jakub at gcc dot gnu.org via Gcc-bugs
• 2026/09/11 [Bug middle-end/96564] [14/15/16/17 Regression] New maybe use of uninitialized variable warning since r11-959 jakub at gcc dot gnu.org via Gcc-bugs
• 2026/09/11 [Bug sanitizer/99673] [14/15/16/17 Regression] bogus -Wstringop-overread warning with address sanitizer due to member address substitution jakub at gcc dot gnu.org via Gcc-bugs
• 2026/09/11 [Bug target/100575] [14/15/16/17 Regression] ICE: in expand_stack_alignment with a bigger than 16 byte aligned type passed to main jakub at gcc dot gnu.org via Gcc-bugs
• 2026/09/11 [Bug tree-optimization/96966] [14/15/16/17 Regression] redundant memcpy not eliminated after pointer subtraction jakub at gcc dot gnu.org via Gcc-bugs
• 2026/09/11 [Bug ipa/96750] [14/15/16/17 Regression] 10-12% performance decrease in benchmark going from GCC8 to GCC9/GCC10 jakub at gcc dot gnu.org via Gcc-bugs
• 2026/09/11 [Bug c/97986] [14/15 Regression] ICE in force_constant_size when applying va_arg to VLA type since r6-91-gf8e89441bc5518f4 jakub at gcc dot gnu.org via Gcc-bugs
• 2026/09/11 [Bug c++/96645] [14/15/16/17 Regression] [CWG2335] std::variant default constructor and unparsed DMI jakub at gcc dot gnu.org via Gcc-bugs
• 2026/09/11 [Bug c++/98995] [14/15/16/17 Regression] Copy elision not applied to members declared with [[no_unique_address]] or a empty base class jakub at gcc dot gnu.org via Gcc-bugs
• 2026/09/11 [Bug libstdc++/99942] [14 Regression] COW std::string::data() is noexcept but can throw jakub at gcc dot gnu.org via Gcc-bugs
• 2026/09/11 [Bug rtl-optimization/99469] [14/15/16/17 Regression] ICE: qsort checking failed with selective scheduling on aarch64 since r8-6635-g3f26f054872c375e7f9a80ede7a56036d9b57597 jakub at gcc dot gnu.org via Gcc-bugs
• 2026/09/11 [Bug tree-optimization/98856] [14/15 Regression] botan AES-128/XTS is slower by ~17% since r11-6649-g285fa338b06b804e72997c4d876ecf08a9c083af jakub at gcc dot gnu.org via Gcc-bugs
• 2026/09/11 [Bug c/98621] [14/15/16/17 Regression] ICE: x from g referenced in f jakub at gcc dot gnu.org via Gcc-bugs
• 2026/09/11 [Bug c++/96957] [14/15/16/17 Regression] GCC thinks a non-dependent base is dependent because of template alias jakub at gcc dot gnu.org via Gcc-bugs
• 2026/09/11 [Bug lto/98504] [14/15/16/17 Regression] bootstrap broken in libgo on ia64-linux-gnu jakub at gcc dot gnu.org via Gcc-bugs
• 2026/09/11 [Bug c++/95938] [14/15/16/17 Regression] ICE in synthesize_implicit_template_parm, at cp/parser.c:44077 jakub at gcc dot gnu.org via Gcc-bugs
• 2026/09/11 [Bug rtl-optimization/93264] [14/15/16/17 Regression] ICE in cfg_layout_redirect_edge_and_branch_force with -freorder-blocks-and-partition and -fmodulo-sched jakub at gcc dot gnu.org via Gcc-bugs
• 2026/09/11 [Bug libfortran/94143] [14/15/16/17 Regression] Asynchronous execute_command_line() breaks following synchronous calls jakub at gcc dot gnu.org via Gcc-bugs
• 2026/09/11 [Bug c++/94276] [14/15/16/17 Regression] g++: error: gcc/testsuite/g++.dg/ext/stmtexpr3.C: -fcompare-debug failure since r9-3352-g87bd153645f393a1 jakub at gcc dot gnu.org via Gcc-bugs
• 2026/09/11 [Bug c++/96467] [14/15/16/17 Regression] in finish_member_declaration, at cp/semantics.c:3240 jakub at gcc dot gnu.org via Gcc-bugs
• 2026/09/11 [Bug rtl-optimization/93007] [14/15/16/17 regression] pr77698.c testcase fails due to block commoning jakub at gcc dot gnu.org via Gcc-bugs
• 2026/09/11 [Bug c/93573] [14/15/16/17 Regression] internal compiler error: in force_constant_size, at gimplify.c:733 jakub at gcc dot gnu.org via Gcc-bugs
• 2026/09/11 [Bug c++/96162] [14/15/16/17 Regression] ICE in discriminator_for_local_entity, at cp/mangle.c:1910 jakub at gcc dot gnu.org via Gcc-bugs
• 2026/09/11 [Bug ipa/96252] [14/15/16/17 Regression] missed optimization where identical functions have very different codegen since gcc 10 jakub at gcc dot gnu.org via Gcc-bugs
• 2026/09/11 [Bug middle-end/93644] [14/15/16/17 Regression] spurious -Wreturn-local-addr with PHI of PHI jakub at gcc dot gnu.org via Gcc-bugs
• 2026/09/11 [Bug c++/96184] [14/15/16/17 Regression] GCC treats "use of local variable with automatic storage from containing function" differently in versions jakub at gcc dot gnu.org via Gcc-bugs
• 2026/09/11 [Bug tree-optimization/93271] [14 regression] SRA producing wrong code on denormals jakub at gcc dot gnu.org via Gcc-bugs
• 2026/09/11 [Bug lto/92600] [14/15/16/17 Regression] ICE: symtab_node::verify failed, building 523.xalancbmk_r with -flto -fno-inline since r267359 jakub at gcc dot gnu.org via Gcc-bugs
• 2026/09/11 [Bug c++/93503] [14/15/16/17 Regression] Duplicated error on pure virtual template jakub at gcc dot gnu.org via Gcc-bugs
• 2026/09/11 [Bug tree-optimization/93404] [14/15/16/17 regression] -O2 and -O2 -flto SPEC2006 and 2017 code size regression jakub at gcc dot gnu.org via Gcc-bugs
• 2026/09/11 [Bug c++/91112] [14/15/16/17 Regression] Bad error message for virtual function of a template class. Wrong "required from here" line number jakub at gcc dot gnu.org via Gcc-bugs
• 2026/09/11 [Bug target/91498] [14/15/16/17 Regression] STV change in r274481 causes 300.twolf regression on Haswell jakub at gcc dot gnu.org via Gcc-bugs
• 2026/09/11 [Bug tree-optimization/90270] [14/15/16/17 Regression] Do not select best induction variable optimization jakub at gcc dot gnu.org via Gcc-bugs
• 2026/09/11 [Bug rtl-optimization/91161] [14/15/16/17 Regression] ICE in begin_move_insn, at sched-ebb.c:175 jakub at gcc dot gnu.org via Gcc-bugs
• 2026/09/11 [Bug rtl-optimization/84842] [14/15/16/17 Regression] ICE in verify_target_availability, at sel-sched.c:1569 jakub at gcc dot gnu.org via Gcc-bugs
• 2026/09/11 [Bug c++/91133] [14/15/16/17 Regression] Wrong "partial specialization is not more specialized than" error jakub at gcc dot gnu.org via Gcc-bugs
• 2026/09/11 [Bug rtl-optimization/90249] [14 Regression] Code size regression on thumb2 due to sub-optimal register allocation starting with r265398 jakub at gcc dot gnu.org via Gcc-bugs
• 2026/09/11 [Bug tree-optimization/85175] [14/15/16/17 regression] false-positive -Wformat-overflow= warning with gcc-8 -Os jakub at gcc dot gnu.org via Gcc-bugs
• 2026/09/11 [Bug tree-optimization/90594] [14/15/16/17 regression] Spurious popcount emitted jakub at gcc dot gnu.org via Gcc-bugs

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