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• 2026/06/26 [Bug c++/123670] [14/15/16/17 Regression] ICE (Segmentation fault) in constraints_satisfied_p with lambda requires clause referencing captured local lambda since r13-980 jakub at gcc dot gnu.org via Gcc-bugs
• 2026/06/26 [Bug middle-end/123175] [14/15/16/17 Regression] Wrong folding of VEC_PERM_EXPR jakub at gcc dot gnu.org via Gcc-bugs
• 2026/06/26 [Bug c++/123648] [14/15/16/17 Regression] ICE in cxx_eval_store_expression, at cp/constexpr.cc:8075 during constexpr evaluation of nested struct in lambda jakub at gcc dot gnu.org via Gcc-bugs
• 2026/06/26 [Bug c++/120224] [14 Regression] ICE in cp_parser_expression_statement with std::void_t overload resolution since 14.1 until trunk jakub at gcc dot gnu.org via Gcc-bugs
• 2026/06/26 [Bug tree-optimization/121301] [14/15 Regression] maybe uninitialized in includes with -O3 -fkeep-inline-functions -Wmaybe-uninitialized jakub at gcc dot gnu.org via Gcc-bugs
• 2026/06/26 [Bug c++/123594] [14/15/16/17 Regression] ICE: Segmentation fault at build_new_op/build_x_binary_op with nested generic lambdas and typeid jakub at gcc dot gnu.org via Gcc-bugs
• 2026/06/26 [Bug c++/123647] [14/15/16/17 Regression] ICE in cxx_eval_constant_expression with invalid struct initialization in lambda jakub at gcc dot gnu.org via Gcc-bugs
• 2026/06/26 [Bug c++/123174] [14/15/16/17 Regression] Internal compiler error: cxx_eval_store_expression with structured binding of class containing array of abstract type jakub at gcc dot gnu.org via Gcc-bugs
• 2026/06/26 [Bug tree-optimization/120065] [14/15/16/17 Regression] profile info corrupted by dom2 jakub at gcc dot gnu.org via Gcc-bugs
• 2026/06/26 [Bug tree-optimization/121279] [14/15 Regression] wrong code due to load of a bool from an union being pulled out of loop jakub at gcc dot gnu.org via Gcc-bugs
• 2026/06/26 [Bug target/123506] [14/15/16/17 Regression] Some unnecessary assembly generated in simple function since r14-2386 & r14-2526 jakub at gcc dot gnu.org via Gcc-bugs
• 2026/06/26 [Bug gcov-profile/123068] [14/15/16/17 Regression] link failure at -O2 or above with -fprofile-generate since r12-4526 jakub at gcc dot gnu.org via Gcc-bugs
• 2026/06/26 [Bug analyzer/123085] [14 Regression] -Wanalyzer-out-of-bounds: false positive after pointer arithmetic in relation with strlen() jakub at gcc dot gnu.org via Gcc-bugs
• 2026/06/26 [Bug tree-optimization/121109] [14/15/16/17 Regression] ICE at O2: verify_flow_info failed; multiple returns_twice function calls and a memset call jakub at gcc dot gnu.org via Gcc-bugs
• 2026/06/26 [Bug tree-optimization/119945] [14/15/16/17 Regression] missed tail call due to IPA-VRP and different type but same mode jakub at gcc dot gnu.org via Gcc-bugs
• 2026/06/26 [Bug c++/121891] [14/15/16/17 Regression] ICE: cp_emit_debug_info_for_using(tree_node*, tree_node*) gcc/cp/name-lookup.cc:9240 since r14-9659 jakub at gcc dot gnu.org via Gcc-bugs
• 2026/06/26 [Bug libstdc++/122224] std::prev when called with non-bidirectional iterators jakub at gcc dot gnu.org via Gcc-bugs
• 2026/06/26 [Bug rtl-optimization/123063] [14/15/16/17 Regression] End of array of stack variable recalculated in every iteration of for loop jakub at gcc dot gnu.org via Gcc-bugs
• 2026/06/26 [Bug c++/119447] [14/15/16/17 Regression] ICE Segmentation fault with incorrect template class declaration syntax and varadic parameter since r14-9374 jakub at gcc dot gnu.org via Gcc-bugs
• 2026/06/26 [Bug c++/120557] [14/15/16/17 Regression] ICE: tree check: expected record_type or union_type or qual_union_type, have integer_type in finish_non_static_data_member, at cp/semantics.cc:2809 jakub at gcc dot gnu.org via Gcc-bugs
• 2026/06/26 [Bug c++/121862] [14/15/16/17 Regression] ICE: tree check: accessed elt 1 of 'tree_vec' with 0 elts in expand_template_argument_pack, at cp/pt.cc:4474 jakub at gcc dot gnu.org via Gcc-bugs
• 2026/06/26 [Bug c++/122318] [14 Regression] ICE on CTAD for alias template with lambda jakub at gcc dot gnu.org via Gcc-bugs
• 2026/06/26 [Bug libstdc++/121811] stdckdint.h fails to compile in C++26 mode in GCC 14 jakub at gcc dot gnu.org via Gcc-bugs
• 2026/06/26 [Bug c++/120385] [14/15/16/17 Regression] GCC 14 incorrectly accepts array prvalues with certain operators since r14-5941 jakub at gcc dot gnu.org via Gcc-bugs
• 2026/06/26 [Bug middle-end/119442] [14 Regression] Regression in creating SVE predicate jakub at gcc dot gnu.org via Gcc-bugs
• 2026/06/26 [Bug ipa/121936] [14/15/16/17 Regression] Invalid optimisation (at O3) based on bodies of vague linkage functions jakub at gcc dot gnu.org via Gcc-bugs
• 2026/06/26 [Bug c++/121850] [14/15/16/17 Regression] ICE: in dependent_alias_template_spec_p, at cp/pt.cc:6801 since r14-9374 jakub at gcc dot gnu.org via Gcc-bugs
• 2026/06/26 [Bug tree-optimization/121755] [14/15/16/17 Regression] ice in lower_bound, at value-range.h:619 with -ffinite-math-only but Nan in src jakub at gcc dot gnu.org via Gcc-bugs
• 2026/06/26 [Bug middle-end/118939] [14/15 Regression] ada: executable segfaults on arm-linux-gnueabi when assigning an access to controlled type since r14-2653-g2971ff7b1d564a jakub at gcc dot gnu.org via Gcc-bugs
• 2026/06/26 [Bug target/120375] [14/15 Regression] arc: -mcpu=em x >> 31 clobber of CC isn't respected jakub at gcc dot gnu.org via Gcc-bugs
• 2026/06/26 [Bug tree-optimization/121522] [14/15 Regression] wrong code at -O3 on x86_64-linux-gnu (the generated code hangs) since r14-6536 jakub at gcc dot gnu.org via Gcc-bugs
• 2026/06/26 [Bug target/120468] [14/15/16/17 Regression] Inlining fails when using -momit-leaf-frame-pointer, optimize attribute, and push_options pragma jakub at gcc dot gnu.org via Gcc-bugs
• 2026/06/26 [Bug tree-optimization/121487] [14/15/16/17 Regression] False positive -Warray-bounds (triggered via std::ranges::copy and std::string::resize_and_overwrite) jakub at gcc dot gnu.org via Gcc-bugs
• 2026/06/26 [Bug middle-end/118608] [14/15 regression][mips64] Lack of sign extension with -Os/-O1 after r14-6915 jakub at gcc dot gnu.org via Gcc-bugs
• 2026/06/26 [Bug tree-optimization/120138] [14/15/16/17 regression] -Wmaybe-uninitialized triggered after specific optimizations since r14-4089-gd45ddc2c04e471 jakub at gcc dot gnu.org via Gcc-bugs
• 2026/06/26 [Bug target/121481] [14/15 Regression] ICE in layout_type/stor-layout with array of svbool_t on SVE-256 at -O2 -g jakub at gcc dot gnu.org via Gcc-bugs
• 2026/06/26 [Bug tree-optimization/121284] [14/15/16/17 Regression] unnecessary memory operations on vector conversion from double to int jakub at gcc dot gnu.org via Gcc-bugs
• 2026/06/26 [Bug c/120380] [14/15 Regression] internal compiler error: error reporting routines re-entered jakub at gcc dot gnu.org via Gcc-bugs
• 2026/06/26 [Bug tree-optimization/117935] [14/15 Regression] [[likely]] attribute is lost by phiopt1 in some cases since r14-203-ga2339e0fe9dbef jakub at gcc dot gnu.org via Gcc-bugs
• 2026/06/26 [Bug tree-optimization/119815] [14/15 regression] wrong code at -O{1,2,3} since r14-2709 jakub at gcc dot gnu.org via Gcc-bugs
• 2026/06/26 [Bug target/121044] [14 Regression] False positive -Warray-bounds with GCC 14 and vectors jakub at gcc dot gnu.org via Gcc-bugs
• 2026/06/26 [Bug target/120588] [14/15/16/17 regression] poor code when returning struct jakub at gcc dot gnu.org via Gcc-bugs
• 2026/06/26 [Bug c++/120134] [14/15/16/17 regression] Internal compiler error: in coerce_template_parms, at cp/pt.cc:9488 since r14-2170 jakub at gcc dot gnu.org via Gcc-bugs
• 2026/06/26 [Bug analyzer/117609] [14/15 Regression] ICE: SIGSEGV in fold_convert_const (fold-const.cc:2486) with -fanalyzer -frounding-math and __builtin_memmove() jakub at gcc dot gnu.org via Gcc-bugs
• 2026/06/26 [Bug ipa/119484] [14/15/16/17 Regression] v2: tail call vs IPA-VRP return value range with constant value jakub at gcc dot gnu.org via Gcc-bugs
• 2026/06/26 [Bug c/118290] [14/15/16/17 Regression] ICE: argc.1 from nested referenced in nested jakub at gcc dot gnu.org via Gcc-bugs
• 2026/06/26 [Bug tree-optimization/120122] [14/15 Regression] wrong code due to VCE of bool being pulled out of loop jakub at gcc dot gnu.org via Gcc-bugs
• 2026/06/26 [Bug tree-optimization/118817] [14 Regression] stringop-overflow and array-bound error with LTO/O3 jakub at gcc dot gnu.org via Gcc-bugs
• 2026/06/26 [Bug middle-end/117426] [14 Regression] Miscompile with different optimization flags jakub at gcc dot gnu.org via Gcc-bugs
• 2026/06/26 [Bug middle-end/119015] [14/15/16/17 Regression] g++ -O2 uses huge amounts of time and memory jakub at gcc dot gnu.org via Gcc-bugs
• 2026/06/26 [Bug tree-optimization/118660] [14/15/16/17 Regression] VRP gets in the way sometimes jakub at gcc dot gnu.org via Gcc-bugs
• 2026/06/26 [Bug target/118460] [14 Regression] ICE on armv8.1-m.main with -mfloat-abi=hard jakub at gcc dot gnu.org via Gcc-bugs
• 2026/06/26 [Bug target/118068] [14 Regression] _mm256_blend_ps intrinsics does not work fully with consteval function returning an usigned char type jakub at gcc dot gnu.org via Gcc-bugs
• 2026/06/26 [Bug tree-optimization/117244] [14/15/16/17 Regression] missed vectorization of (-(unsigned int)(bool_var)) jakub at gcc dot gnu.org via Gcc-bugs
• 2026/06/26 [Bug c++/118698] [14 Regression] Compiler ICE on concept code accepted by MSVC and clang jakub at gcc dot gnu.org via Gcc-bugs
• 2026/06/26 [Bug middle-end/118384] [14/15/16/17 Regression] unexpected call to __muldi3 generated for riscv target jakub at gcc dot gnu.org via Gcc-bugs
• 2026/06/26 [Bug tree-optimization/117638] No loop splitting and bounds check not optimized out with -D_GLIBCXX_ASSERTIONS jakub at gcc dot gnu.org via Gcc-bugs
• 2026/06/26 [Bug c++/117813] [14 Regression] GCC14 + -fsanitize=undefined + -Os + recursive_directory_iterator results in undefined reference since r14-5979-g99d114c15523e0 jakub at gcc dot gnu.org via Gcc-bugs
• 2026/06/26 [Bug rtl-optimization/117128] [14/15/16/17 regression] GCC trunk generates larger code than GCC 14 at -Os/Oz since r14-2161-g237e83e2158a3d jakub at gcc dot gnu.org via Gcc-bugs
• 2026/06/26 [Bug tree-optimization/118430] [14 Regression] tail call vs IPA-VRP return value range with constant value jakub at gcc dot gnu.org via Gcc-bugs
• 2026/06/26 [Bug tree-optimization/118107] [14 Regression] false warning: "${inactive union member} may be used uninitialized" with -fsanitize=undefined -O1 jakub at gcc dot gnu.org via Gcc-bugs
• 2026/06/26 [Bug c/117652] [14/15/16/17 regression] ICE: tree check: expected class ‘type’, have ‘exceptional’ (error_mark) in tagged_types_tu_compatible_p, at c/c-typeck.cc:1919 jakub at gcc dot gnu.org via Gcc-bugs
• 2026/06/26 [Bug analyzer/117491] [14/15 Regression] ICE: SIGSEGV in tree_class_check (tree.h:4085) with -fanalyzer jakub at gcc dot gnu.org via Gcc-bugs
• 2026/06/26 [Bug target/117126] [14/15/16/17 regression] GCC 14 generates redundant movq xmm1, xmm1 instructions with -O2 optimization, leading to code bloat (regression from GCC 13.x) jakub at gcc dot gnu.org via Gcc-bugs
• 2026/06/26 [Bug target/118145] [14/15/16/17 Regression] SLP cost model for ior/add reduction should be improved jakub at gcc dot gnu.org via Gcc-bugs
• 2026/06/26 [Bug analyzer/117369] [14/15 Regression] False positive Wanalyzer-out-of-bounds fanalyzer warnings for sprintf to offset at -O1 and above jakub at gcc dot gnu.org via Gcc-bugs
• 2026/06/26 [Bug tree-optimization/115267] [14/15/16/17 Regression] Undue warning about undefined behavior in loop with varying limits jakub at gcc dot gnu.org via Gcc-bugs
• 2026/06/26 [Bug c++/116511] [14/15/16/17 Regression] ICE with enum value used in requires jakub at gcc dot gnu.org via Gcc-bugs
• 2026/06/26 [Bug target/116904] [14/15/16/17 Regression] RISC-V: address calculation not hoisted from loop jakub at gcc dot gnu.org via Gcc-bugs
• 2026/06/26 [Bug target/115071] [14/15/16/17 regression] performance regression, x86, between gcc-14 and gcc-13 using -O3 and _Pragma("GCC unroll 4") on skylake jakub at gcc dot gnu.org via Gcc-bugs
• 2026/06/26 [Bug c++/117325] [14/15/16/17 Regression] internal compiler error: in tsubst_expr, at cp/pt.cc:21986 jakub at gcc dot gnu.org via Gcc-bugs
• 2026/06/26 [Bug target/114991] [14/15/16/17 Regression] AArch64: LDP pass does not handle some structure copies jakub at gcc dot gnu.org via Gcc-bugs
• 2026/06/26 [Bug target/118008] [14/15/16/17 regression] ICE when bootstrapping with Go on arm (gen_movdi, at config/arm/arm.md:6296) jakub at gcc dot gnu.org via Gcc-bugs
• 2026/06/26 [Bug analyzer/116865] [14/15 Regression] ICE when compiling GNU coreutils numfmt with -fanalyzer since r14-9527-g1579394c9ecf3d jakub at gcc dot gnu.org via Gcc-bugs
• 2026/06/26 [Bug target/115024] [14/15/16/17 regression] 128 bit division performance regression, x86, between gcc-14 and gcc-13 using target clones on skylake platform jakub at gcc dot gnu.org via Gcc-bugs
• 2026/06/26 [Bug tree-optimization/117322] [14/15/16/17 Regression] Another spurious "may be used uninitialized" warning when using alloca jakub at gcc dot gnu.org via Gcc-bugs
• 2026/06/26 [Bug target/114987] [14/15/16/17 Regression] floating point vector regression, x86, between gcc 14 and gcc-13 using -O3 and target clones on skylake platforms jakub at gcc dot gnu.org via Gcc-bugs
• 2026/06/26 [Bug tree-optimization/117790] [14/15/16/17 regression] Early break vectorization corrupts profile info jakub at gcc dot gnu.org via Gcc-bugs
• 2026/06/26 [Bug target/116587] [14 Regression] ICE: in lra_split_hard_reg_for, at lra-assigns.cc:1868 (unable to find a register to spill) {*andndi3_doubleword_bmi} with custom flags jakub at gcc dot gnu.org via Gcc-bugs
• 2026/06/26 [Bug rtl-optimization/114828] [14/15/16/17 Regression] ICE on valid code at -O1 with "-ftree-pre -fselective-scheduling -fsel-sched-pipelining -fschedule-insns" on x86_64-linux-gnu: Segmentation fault jakub at gcc dot gnu.org via Gcc-bugs
• 2026/06/26 [Bug target/117253] [14/15/16/17 regression] Generated code at -Os on trunk is larger than GCC 13.3 since r14-1656-g55fcaa9a8bd9c8 jakub at gcc dot gnu.org via Gcc-bugs
• 2026/06/26 [Bug middle-end/113724] [14/15/16/17 Regression][OpenMP] ICE (segfault) when mapping a struct in omp_gather_mapping_groups_1 since r14-6515 jakub at gcc dot gnu.org via Gcc-bugs
• 2026/06/26 [Bug c++/117351] [14/15/16/17 Regression] ICE while reporting invalid template error jakub at gcc dot gnu.org via Gcc-bugs
• 2026/06/26 [Bug rtl-optimization/116273] [14/15/16/17 regression] RISC-V: gcc.dg/long_branch.c flakey timeout, insn scheduling is slow jakub at gcc dot gnu.org via Gcc-bugs
• 2026/06/26 [Bug target/114134] [14/15/16/17 Regression] Extra mov instructions for simple function compared with GCC13 since r14-2386 for struct that returns in GPRs jakub at gcc dot gnu.org via Gcc-bugs
• 2026/06/26 [Bug rtl-optimization/116336] [14 Regression] LRA causes a compare debug with uninitialized variable since r14-8435-g476226290dba8c jakub at gcc dot gnu.org via Gcc-bugs
• 2026/06/26 [Bug testsuite/113685] [14/15/16/17 regression] gcc.dg/vect/vect-117.c fails profile checking with Invalid sum after r14-4089-gd45ddc2c04e471 jakub at gcc dot gnu.org via Gcc-bugs
• 2026/06/26 [Bug tree-optimization/117063] [14 Regression] Incorrect stringop-overread warning using std::vector::insert at -O3 jakub at gcc dot gnu.org via Gcc-bugs
• 2026/06/26 [Bug tree-optimization/116213] [14/15/16/17 regression] -Wmaybe-uninitialized in tree-ssa-loop-niter.cc since r14-3460-gabf915193fbf72 jakub at gcc dot gnu.org via Gcc-bugs
• 2026/06/26 [Bug analyzer/116228] [14/15 regression] -fanalyzer ICE in get_or_create_null_ptr, at analyzer/region-model-manager.cc:271 jakub at gcc dot gnu.org via Gcc-bugs
• 2026/06/26 [Bug ipa/113907] [13 regression] ICU miscompiled on x86 since r14-5109-ga291237b628f41 jakub at gcc dot gnu.org via Gcc-bugs
• 2026/06/26 [Bug rtl-optimization/113533] Code generation regression after change for pr111267 jakub at gcc dot gnu.org via Gcc-bugs
• 2026/06/26 [Bug target/116787] [14/15/16/17 Regression] No longer recognizes vector maxps since r14-2786 jakub at gcc dot gnu.org via Gcc-bugs
• 2026/06/26 [Bug libstdc++/116110] Transitions obtained from chrono::time_zone::get_info should not treat times as UTC jakub at gcc dot gnu.org via Gcc-bugs
• 2026/06/26 [Bug target/115042] [14/15/16/17 Regression] valgrind test fails to compile on armv7 asm operand has impossible constraints or there are not enough registers jakub at gcc dot gnu.org via Gcc-bugs
• 2026/06/26 [Bug libgomp/113867] [14/15/16/17 Regression][OpenMP] Wrong code with mapping pointers in structs jakub at gcc dot gnu.org via Gcc-bugs
• 2026/06/26 [Bug rtl-optimization/116541] [14/15/16/17 Regression] Inefficient missing use of reg+reg addressing modes since r14-7284-gdb4e496aadf1d7 jakub at gcc dot gnu.org via Gcc-bugs
• 2026/06/26 [Bug d/112957] [13/14/15/16/17 regression] src/std/math/exponential.d doesn't compile on 32-bit FreeBSD/x86 jakub at gcc dot gnu.org via Gcc-bugs
• 2026/06/26 [Bug tree-optimization/116083] [14 Regression] Re-surfacing SLP vectorization slowness for gcc.dg/pr87985.c jakub at gcc dot gnu.org via Gcc-bugs
• 2026/06/26 [Bug tree-optimization/115025] [14/15/16/17 regression] prime computation performance regression, x86, between gcc-14 and gcc-13 on skylake platform due to not peeling the first iteration off the loop any more in ch jakub at gcc dot gnu.org via Gcc-bugs
• 2026/06/26 [Bug tree-optimization/113752] [14/15/16/17 Regression] warning: ‘%s’ directive writing up to 10218 bytes into a region of size between 0 and 10240 [-Wformat-overflow=] since r14-261-g0ef3756adf078c jakub at gcc dot gnu.org via Gcc-bugs
• 2026/06/26 [Bug target/115576] [14/15/16/17 regression] Worse code generated for simple struct conversion since r14-2386-gbdf2737cda53a8 jakub at gcc dot gnu.org via Gcc-bugs
• 2026/06/26 [Bug tree-optimization/112545] [14/15/16/17 Regression] Size regression when using -Os starting with r14-569-g21e2ef2dc25 jakub at gcc dot gnu.org via Gcc-bugs
• 2026/06/26 [Bug middle-end/115056] [14/15/16/17 regression] False positive -Wstringop-overflow and -Warray-bounds jakub at gcc dot gnu.org via Gcc-bugs
• 2026/06/26 [Bug analyzer/113606] [14/15/16/17 Regression] -Wanalyzer-infinite-recursion false positive on code involving strstr, memset, strnlen and -D_FORTIFY_SOURCE jakub at gcc dot gnu.org via Gcc-bugs
• 2026/06/26 [Bug tree-optimization/115016] [14/15 regression] False positive -Wfree-nonheap-object using std::vector with -O3 jakub at gcc dot gnu.org via Gcc-bugs
• 2026/06/26 [Bug tree-optimization/115354] [14/15/16/17 Regression] Large -Os code size increase related to -ftree-sra since r14-5831-gaae723d360ca26 jakub at gcc dot gnu.org via Gcc-bugs
• 2026/06/26 [Bug bootstrap/112534] [14/15 regression] build failure after r14-5424-gdb50aea6259545 using gcc 4.8.5 jakub at gcc dot gnu.org via Gcc-bugs
• 2026/06/26 [Bug tree-optimization/115011] [14/15/16/17 Regression] Missed optimization: (bool) (f ? 1: t) ==> 1 when bool t = (0 >= f) + x; jakub at gcc dot gnu.org via Gcc-bugs
• 2026/06/26 [Bug testsuite/115001] [14 Regression] pr109062.c fails on hybrid Intel CPU jakub at gcc dot gnu.org via Gcc-bugs
• 2026/06/26 [Bug debug/113562] [14/15/16/17 Regression] FAIL: gcc.dg/guality/pr54796.c jakub at gcc dot gnu.org via Gcc-bugs
• 2026/06/26 [Bug testsuite/112520] [14/15 Regression] gcc.dg/plugin/cpython-plugin-test-PyList_Append.c -fplugin=./analyzer_cpython_plugin.so ICE (segmentation fault) with Python 3.12+ jakub at gcc dot gnu.org via Gcc-bugs
• 2026/06/26 [Bug target/115029] [14/15/16/17 regression] FFT computation performance regression, x86, between gcc-14 and gcc-13 on skylake platform jakub at gcc dot gnu.org via Gcc-bugs
• 2026/06/26 [Bug target/115002] [14/15/16/17 regression] wide integer vector performance regression, x86, between gcc-14 and gcc-13 using target clones on skylake platform jakub at gcc dot gnu.org via Gcc-bugs
• 2026/06/26 [Bug rtl-optimization/114793] [14/15/16/17 Regression] wrong code at -O1 with "-fschedule-insns2 -fselective-scheduling2" on x86_64-linux-gnu (the generated code hangs) jakub at gcc dot gnu.org via Gcc-bugs
• 2026/06/26 [Bug rust/113477] rust/compile/torture/alt_patterns1.rs FAILs jakub at gcc dot gnu.org via Gcc-bugs
• 2026/06/26 [Bug tree-optimization/112508] [14/15/16/17 Regression] Size regression when using -Os starting with r14-4089-gd45ddc2c04e jakub at gcc dot gnu.org via Gcc-bugs
• 2026/06/26 [Bug libbacktrace/114941] [14 regression] libbacktrace build is broken for FDPIC uclibc targets by r14-5173-g2b64e4a54042 jakub at gcc dot gnu.org via Gcc-bugs
• 2026/06/26 [Bug target/113652] [14/15/16/17 regression] Failed bootstrap on ppc unrecognized opcode: `lfiwzx' with -mcpu=7450 jakub at gcc dot gnu.org via Gcc-bugs
• 2026/06/26 [Bug rtl-optimization/113597] [14/15/16/17 Regression] aarch64: Significant code quality regression since r14-8346-ga98d5130a6dcff jakub at gcc dot gnu.org via Gcc-bugs
• 2026/06/26 [Bug tree-optimization/113441] [14/15/16/17 Regression] Fail to fold the last element with multiple loop since g:2efe3a7de0107618397264017fb045f237764cc7 jakub at gcc dot gnu.org via Gcc-bugs
• 2026/06/26 [Bug target/114302] [14/15/16/17 Regression] GCN regressions after: vect: Tighten vect_determine_precisions_from_range [PR113281] jakub at gcc dot gnu.org via Gcc-bugs
• 2026/06/26 [Bug tree-optimization/111801] [14/15/16/17 Regression] Missed Dead Code Elimination since r14-4141-gbf6b107e2a3 jakub at gcc dot gnu.org via Gcc-bugs
• 2026/06/26 [Bug rust/113472] rust/compile/issue-1446.rs FAILs jakub at gcc dot gnu.org via Gcc-bugs
• 2026/06/26 [Bug tree-optimization/113524] FAIL: gcc.dg/torture/pr113026-1.c -O3 -fomit-frame-pointer -funroll-loops -fpeel-loops -ftracer -finline-functions (test for bogus messages, line 10) jakub at gcc dot gnu.org via Gcc-bugs
• 2026/06/26 [Bug target/113357] [14/15/16/17 regression] m68k-linux bootstrap failure in stage2 due to segfault compiling unwind-dw2.c since r14-4664-g04c9cf5c786b94 (tree-switch-conversion.cc miscompiled) jakub at gcc dot gnu.org via Gcc-bugs
• 2026/06/26 [Bug tree-optimization/111498] [14/15/16/17 regression] 951% profile quality regression between g:93996cfb308ffc63 (2023-09-18 03:40) and g:95d2ce05fb32e663 (2023-09-19 03:22) jakub at gcc dot gnu.org via Gcc-bugs
• 2026/06/26 [Bug rust/113473] rust/compile/iterators1.rs etc. FAIL jakub at gcc dot gnu.org via Gcc-bugs
• 2026/06/26 [Bug rtl-optimization/113390] [14/15 Regression] ICE: in model_update_limit_points_in_group, at haifa-sched.cc:1986 with -O2 --param=max-sched-region-insns=200 --param=max-sched-extend-regions-iters=2 jakub at gcc dot gnu.org via Gcc-bugs
• 2026/06/26 [Bug target/113269] [14 Regression] X86_64 generates extra mov (and xchg) when passing struct with constant value to function jakub at gcc dot gnu.org via Gcc-bugs
• 2026/06/26 [Bug tree-optimization/111326] [14/15/16/17 Regression] Dead Code Elimination Regression since r14-376-g47a76439911 jakub at gcc dot gnu.org via Gcc-bugs
• 2026/06/26 [Bug target/112937] [14/15/16/17 Regression] GCN: FAILs due to unconditional 'f->use_flat_addressing = true;' jakub at gcc dot gnu.org via Gcc-bugs
• 2026/06/26 [Bug analyzer/113314] [14/15/16/17 Regression] -Wanalyzer-infinite-loop false positive seen on haproxy's fd.c jakub at gcc dot gnu.org via Gcc-bugs
• 2026/06/26 [Bug analyzer/113150] [14/15/16/17 Regression] FAIL: c-c++-common/analyzer/fd-glibc-byte-stream-socket.c -std=c++98 (test for excess errors) jakub at gcc dot gnu.org via Gcc-bugs
• 2026/06/26 [Bug target/113226] [14/15/16/17 Regression] testsuite/std/ranges/iota/max_size_type.cc fails for cris-elf after r14-6888-ga138b99646a555 jakub at gcc dot gnu.org via Gcc-bugs
• 2026/06/26 [Bug tree-optimization/110903] [13 Regression] Dead Code Elimination Regression since r12-4526-gd8edfadfc7a979 jakub at gcc dot gnu.org via Gcc-bugs
• 2026/06/26 [Bug target/112864] Many libphobos tests FAIL on macOS 12+ jakub at gcc dot gnu.org via Gcc-bugs
• 2026/06/26 [Bug tree-optimization/111542] [13/14/15/16/17 Regression] (a==0)&(b==0) into `(a|b) == 0` optimization sometimes gets in the way of other optimizations jakub at gcc dot gnu.org via Gcc-bugs
• 2026/06/26 [Bug target/112862] gfortran.dg coarray tests FAIL on macOS 12+ jakub at gcc dot gnu.org via Gcc-bugs
• 2026/06/26 [Bug target/112863] Many obj-c++ tests FAIL on macOS 14 jakub at gcc dot gnu.org via Gcc-bugs
• 2026/06/26 [Bug middle-end/110586] [14/15/16/17 Regression] 10% fatigue2 regression on zen since r14-2369-g3a61ca1b925653 (bad LRA&scheduling) jakub at gcc dot gnu.org via Gcc-bugs
• 2026/06/26 [Bug tree-optimization/111293] [14/15/16/17 Regression] Missed Dead Code Elimination since r14-3414-g0cfc9c953d0 jakub at gcc dot gnu.org via Gcc-bugs
• 2026/06/26 [Bug target/112861] Most gdc tests FAIL on macOS 12+ jakub at gcc dot gnu.org via Gcc-bugs
• 2026/06/26 [Bug c++/112652] g++.dg/cpp26/literals2.C FAILs jakub at gcc dot gnu.org via Gcc-bugs
• 2026/06/26 [Bug testsuite/112728] gcc.dg/scantest-lto.c FAILs jakub at gcc dot gnu.org via Gcc-bugs
• 2026/06/26 [Bug tree-optimization/110458] [14/15/16/17 regression] -Warray-bounds=2 new false positive since r14-2013-gfb0447b1f6b7373f57cb3a3d17a46803cfd9909d jakub at gcc dot gnu.org via Gcc-bugs
• 2026/06/26 [Bug tree-optimization/112358] [14/15/16/17 Regression] glibc -Wstringop-overflow= build failure on hppa since r14-4089-gd45ddc2c04e471 jakub at gcc dot gnu.org via Gcc-bugs
• 2026/06/26 [Bug rtl-optimization/110717] Double-word sign-extension missed-optimization jakub at gcc dot gnu.org via Gcc-bugs
• 2026/06/26 [Bug target/112548] 429.mcf sometimes speeds up by 5% and then slows down again (AMD zen4 CPU, LTO, PGO) jakub at gcc dot gnu.org via Gcc-bugs
• 2026/06/26 [Bug middle-end/111799] [14/15/16/17 Regression] Missed Dead Code Elimination since r14-2365-g2e406f0753e jakub at gcc dot gnu.org via Gcc-bugs
• 2026/06/26 [Bug tree-optimization/110413] [14/15 Regression] Missed Dead Code Elimination when using __builtin_unreachable since r14-1880-g827e208fa64 jakub at gcc dot gnu.org via Gcc-bugs
• 2026/06/26 [Bug tree-optimization/111798] [14/15/16/17 Regression] Recent change causing testsuite regression and poor code on mcore-elf jakub at gcc dot gnu.org via Gcc-bugs
• 2026/06/26 [Bug tree-optimization/112542] [14/15/16/17 Regression] Dead Code Elimination Regression since r14-4280-gc3c6f30496d jakub at gcc dot gnu.org via Gcc-bugs
• 2026/06/26 [Bug libstdc++/111302] aligned std::experimental::simd loads and stores are not constant expressions jakub at gcc dot gnu.org via Gcc-bugs
• 2026/06/26 [Bug tree-optimization/110540] [14/15/16/17 Regression] Dead Code Elimination Regression since r14-1163-gd8b058d3ca4 jakub at gcc dot gnu.org via Gcc-bugs
• 2026/06/26 [Bug tree-optimization/109893] [14/15/16/17 Regression] Missed Dead Code Elimination when using __builtin_unreachable since r14-160-gf828503eeb79ad1f1ada6db7deccc5abcc2f3ca3 jakub at gcc dot gnu.org via Gcc-bugs
• 2026/06/26 [Bug middle-end/110972] [14/15/16/17 Regression] 13% fatigue regression with r14-3078-gd9f3ea61fe36e2 jakub at gcc dot gnu.org via Gcc-bugs
• 2026/06/26 [Bug tree-optimization/110538] [14 Regression] Dead Code Elimination Regression since r14-368-ge1366a7e4ce jakub at gcc dot gnu.org via Gcc-bugs
• 2026/06/26 [Bug tree-optimization/110628] [14/15/16/17 regression] gcc.dg/tree-ssa/update-threading.c fails after r14-2383-g768f00e3e84123 jakub at gcc dot gnu.org via Gcc-bugs
• 2026/06/26 [Bug tree-optimization/110873] [14/15/16/17 Regression] Dead Code Elimination Regression at -O2 since r14-376-g47a76439911 jakub at gcc dot gnu.org via Gcc-bugs
• 2026/06/26 [Bug middle-end/108847] [13/14/15/16/17 Regression] unnecessary bitwise AND on boolean types and shifting of the "sign" bit jakub at gcc dot gnu.org via Gcc-bugs
• 2026/06/26 [Bug analyzer/110483] [14/15/16/17 Regression] Several gcc.dg/analyzer/out-of-bounds-diagram-*.c tests FAIL jakub at gcc dot gnu.org via Gcc-bugs
• 2026/06/26 [Bug tree-optimization/110502] [14/15/16/17 Regression] Dead Code Elimination Regression at -Os since r14-1656-g55fcaa9a8bd jakub at gcc dot gnu.org via Gcc-bugs
• 2026/06/26 [Bug target/110649] [14 Regression] 25% sphinx3 spec2006 regression on Ice Lake and zen since r14-2369 jakub at gcc dot gnu.org via Gcc-bugs
• 2026/06/26 [Bug tree-optimization/110414] [14/15/16/17 Regression] Dead Code Elimination Regression since r14-1127-g9e2017ae6ac jakub at gcc dot gnu.org via Gcc-bugs
• 2026/06/26 [Bug target/87281] [14/15/16/17 Regression] qsort checking ICE in ia64_reorg building libgo jakub at gcc dot gnu.org via Gcc-bugs
• 2026/06/26 [Bug rtl-optimization/110369] [14/15/16/17 Regression] wrong code on x86_64-linux-gnu with sel-scheduling jakub at gcc dot gnu.org via Gcc-bugs
• 2026/06/26 [Bug target/110301] [14 Regression] x264 regression on Neoverse-N1 jakub at gcc dot gnu.org via Gcc-bugs
• 2026/06/26 [Bug target/109777] [14/15/16/17 regression] Compare-debug failure after recent changes jakub at gcc dot gnu.org via Gcc-bugs
• 2026/06/26 [Bug gcov-profile/105063] [GCOV] Ability to map .gcda paths jakub at gcc dot gnu.org via Gcc-bugs
• 2026/06/26 [Bug target/125992] [16/17 Regression] veusz miscompilation on s390x with -march=z13 -O2 since r16-3301 stefansf at gcc dot gnu.org via Gcc-bugs
• 2026/06/26 [Bug target/125994] New: riscv: Vector misalignment hook doesn't handle scalar modes. rdapp at gcc dot gnu.org via Gcc-bugs
• 2026/06/26 [Bug tree-optimization/125873] [17 Regression] wrong code at -O{2, 3} with "-fno-aggressive-loop-optimizations" on x86_64-linux-gnu since r17-1585 rguenth at gcc dot gnu.org via Gcc-bugs
• 2026/06/26 [Bug target/125993] [14/15/16/17 Regression] vector code with -g ICEs with the C++ front-end pinskia at gcc dot gnu.org via Gcc-bugs
• 2026/06/26 [Bug target/125993] New: [14/15/16/17 Regression] vector code with -g ICEs with the C++ front-end pinskia at gcc dot gnu.org via Gcc-bugs
• 2026/06/26 [Bug c/125991] btf_type_tag not supported for function returning a pointer pinskia at gcc dot gnu.org via Gcc-bugs
• 2026/06/26 [Bug c/125991] btf_type_tag not supported for function returning a pointer pinskia at gcc dot gnu.org via Gcc-bugs
• 2026/06/26 [Bug middle-end/125977] emit_block_move_via_pattern/set_storage_via_setmem don't check min_size == max_size hjl.tools at gmail dot com via Gcc-bugs
• 2026/06/26 [Bug libgcc/123976] GCC 15.2.0 (libgcc) does not build on PPC Mac OS X 10.5.8, Leopard, because of missing "md-unwind-def.h" Peter_Dyballa at web dot de via Gcc-bugs
• 2026/06/26 [Bug target/125992] [16/17 Regression] veusz miscompilation on s390x with -march=z13 -O2 since r16-3301 jakub at gcc dot gnu.org via Gcc-bugs
• 2026/06/25 [Bug target/125992] [16/17 Regression] veusz miscompilation on s390x with -march=z13 -O2 since r16-3301 jakub at gcc dot gnu.org via Gcc-bugs
• 2026/06/25 [Bug target/125992] [16/17 Regression] veusz miscompilation on s390x with -march=z13 -O2 since r16-3301 jakub at gcc dot gnu.org via Gcc-bugs
• 2026/06/25 [Bug target/125992] New: [16/17 Regression] veusz miscompilation on s390x with -march=z13 -O2 since r16-3301 jakub at gcc dot gnu.org via Gcc-bugs
• 2026/06/25 [Bug libstdc++/123193] g++.dg/modules/compile-std1.C fails on arm since r16-5581-g3ad2e2d707c azoff at gcc dot gnu.org via Gcc-bugs
• 2026/06/25 [Bug c/125935] [debug] bool type supported in C23, but debug info says _Bool sjames at gcc dot gnu.org via Gcc-bugs
• 2026/06/25 [Bug c/125935] [debug] bool type supported in C23, but debug info says _Bool duncan_roe at optusnet dot com.au via Gcc-bugs
• 2026/06/25 [Bug c/125935] [debug] bool type supported in C23, but debug info says _Bool duncan_roe at optusnet dot com.au via Gcc-bugs
• 2026/06/25 [Bug fortran/121972] [PDT] pdt_70/77/86.f03 leak memory cvs-commit at gcc dot gnu.org via Gcc-bugs
• 2026/06/25 [Bug c/125991] btf_type_tag not supported for function returning a pointer vineetg at gcc dot gnu.org via Gcc-bugs
• 2026/06/25 [Bug c/125991] btf_type_tag not supported for function returning a pointer pinskia at gcc dot gnu.org via Gcc-bugs
• 2026/06/25 [Bug debug/125991] New: btf_type_tag not supported for function returning a pointer vineetg at gcc dot gnu.org via Gcc-bugs
• 2026/06/25 [Bug libgcc/123976] GCC 15.2.0 (libgcc) does not build on PPC Mac OS X 10.5.8, Leopard, because of missing "md-unwind-def.h" vital.had at gmail dot com via Gcc-bugs
• 2026/06/25 [Bug middle-end/125977] emit_block_move_via_pattern/set_storage_via_setmem don't check min_size == max_size hjl.tools at gmail dot com via Gcc-bugs
• 2026/06/25 [Bug middle-end/125977] emit_block_move_via_pattern/set_storage_via_setmem don't check min_size == max_size hjl.tools at gmail dot com via Gcc-bugs
• 2026/06/25 [Bug middle-end/125977] emit_block_move_via_pattern/set_storage_via_setmem don't check min_size == max_size hjl.tools at gmail dot com via Gcc-bugs
• 2026/06/25 [Bug middle-end/125977] emit_block_move_via_pattern/set_storage_via_setmem don't check min_size == max_size hjl.tools at gmail dot com via Gcc-bugs
• 2026/06/25 [Bug middle-end/125977] emit_block_move_via_pattern/set_storage_via_setmem don't check min_size == max_size hjl.tools at gmail dot com via Gcc-bugs
• 2026/06/25 [Bug middle-end/108031] riscv: Access of members of a global structure is not optimized in atomic operations law at gcc dot gnu.org via Gcc-bugs
• 2026/06/25 [Bug middle-end/108036] [13/14/15/16/17 Regression] Spurious warning for zero-sized array parameters to a function foss+gcc--- via Gcc-bugs
• 2026/06/25 [Bug target/125990] gcc 16.1.1 build fails on aarch64_be netbsd 11.0 RC5 pinskia at gcc dot gnu.org via Gcc-bugs

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