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• 2026/04/28 [Bug tree-optimization/125053] New: [15/16 Regression][AArch64] SVE partial vectorization of loop with cross-iteration dependence lost at -O3 bug_hunters at yeah dot net via Gcc-bugs
• 2026/04/28 [Bug ada/124923] crash on private tagged types in instance with -gnateV ebotcazou at gcc dot gnu.org via Gcc-bugs
• 2026/04/28 [Bug preprocessor/125048] [13/14/15/16/17 Regression] ICE on repeated usage of ##__VA_OPT__() since r10-6633 jakub at gcc dot gnu.org via Gcc-bugs
• 2026/04/28 [Bug middle-end/125049] [loongarch] SSP fallback leaves __stack_chk_guard live in $r12 at `jr $r1` xry111 at gcc dot gnu.org via Gcc-bugs
• 2026/04/28 [Bug tree-optimization/112659] missed-optimization: if (exp) return exp; else return 0; cvs-commit at gcc dot gnu.org via Gcc-bugs
• 2026/04/28 [Bug tree-optimization/122996] Missed optimisation for branch folding with unsigned arithmetic wraparound cvs-commit at gcc dot gnu.org via Gcc-bugs
• 2026/04/28 [Bug middle-end/121251] Shift and rotates with bitint on rhs jakub at gcc dot gnu.org via Gcc-bugs
• 2026/04/28 [Bug middle-end/121251] Shift and rotates with bitint on rhs pinskia at gcc dot gnu.org via Gcc-bugs
• 2026/04/28 [Bug tree-optimization/125036] [17 Regression] ICE during bootstrap build in libisl gcc/isl/isl_flow.c: In function ‘isl_union_access_info_init’: after r17-89-g78280307c78ead pinskia at gcc dot gnu.org via Gcc-bugs
• 2026/04/28 [Bug tree-optimization/125039] [14/15/16 regression] internal compiler error: in lower_bound, at value-range.h:636 since r14-4153 jakub at gcc dot gnu.org via Gcc-bugs
• 2026/04/28 [Bug bootstrap/125052] [17 Regression] ICE in add_iv_candidate_for_doloop, at tree-ssa-loop-ivopts.cc:5786 on powerpc-linux-gnu pinskia at gcc dot gnu.org via Gcc-bugs
• 2026/04/28 [Bug tree-optimization/125039] [14/15/16/17 regression] internal compiler error: in lower_bound, at value-range.h:636 since r14-4153 cvs-commit at gcc dot gnu.org via Gcc-bugs
• 2026/04/28 [Bug bootstrap/125052] New: [17 Regression] ICE in add_iv_candidate_for_doloop, at tree-ssa-loop-ivopts.cc:5786 on powerpc-linux-gnu doko at gcc dot gnu.org via Gcc-bugs
• 2026/04/28 [Bug tree-optimization/125046] sccp is run too late after lowering of bitInt jakub at gcc dot gnu.org via Gcc-bugs
• 2026/04/28 [Bug tree-optimization/125046] sccp is run too late after lowering of bitInt rguenth at gcc dot gnu.org via Gcc-bugs
• 2026/04/28 [Bug c++/125043] [14/15/16/17 Regression] ICE in passing invalid constant template argument rguenth at gcc dot gnu.org via Gcc-bugs
• 2026/04/27 [Bug middle-end/121251] Shift and rotates with bitint on rhs jakub at gcc dot gnu.org via Gcc-bugs
• 2026/04/27 [Bug fortran/125051] [coarray] undefined reference to `__caf_get_from_remote_fn_index_0.4' (shmem caf) pault at gcc dot gnu.org via Gcc-bugs
• 2026/04/27 [Bug fortran/125051] New: [coarray] undefined reference to `__caf_get_from_remote_fn_index_0.4' (shmem caf) pault at gcc dot gnu.org via Gcc-bugs
• 2026/04/27 [Bug target/80881] Implement Windows native TLS lh_mouse at 126 dot com via Gcc-bugs
• 2026/04/27 [Bug middle-end/125049] [loongarch] SSP fallback leaves __stack_chk_guard live in $r12 at `jr $r1` xry111 at gcc dot gnu.org via Gcc-bugs
• 2026/04/27 [Bug tree-optimization/125050] `a == INT_MIN ? INT_MIN : -a` is not converted into `(signed)-(unsigned)a` pinskia at gcc dot gnu.org via Gcc-bugs
• 2026/04/27 [Bug tree-optimization/125050] New: `a == INT_MIN ? INT_MIN : -a` is not converted into `(signed)-(unsigned)a` pinskia at gcc dot gnu.org via Gcc-bugs
• 2026/04/27 [Bug tree-optimization/125036] [17 Regression] ICE during bootstrap build in libisl gcc/isl/isl_flow.c: In function ‘isl_union_access_info_init’: after r17-89-g78280307c78ead pinskia at gcc dot gnu.org via Gcc-bugs
• 2026/04/27 [Bug tree-optimization/125036] [17 Regression] ICE during bootstrap build in libisl gcc/isl/isl_flow.c: In function ‘isl_union_access_info_init’: after r17-89-g78280307c78ead cvs-commit at gcc dot gnu.org via Gcc-bugs
• 2026/04/27 [Bug c++/125022] [17 Regression] ICE on qtwebengine-6.11.0: in tsubst_stmt, at cp/pt.cc:20843 due to clang::trivial_abi (r17-43) cvs-commit at gcc dot gnu.org via Gcc-bugs
• 2026/04/27 [Bug c++/125022] [17 Regression] ICE on qtwebengine-6.11.0: in tsubst_stmt, at cp/pt.cc:20843 due to clang::trivial_abi (r17-43) jason at gcc dot gnu.org via Gcc-bugs
• 2026/04/27 [Bug preprocessor/125048] ICE on repeated usage of ##__VA_OPT__() luigighiron at gmail dot com via Gcc-bugs
• 2026/04/27 [Bug middle-end/121251] Shift and rotates with bitint on rhs pinskia at gcc dot gnu.org via Gcc-bugs
• 2026/04/27 [Bug middle-end/125049] New: [loongarch] SSP fallback leaves __stack_chk_guard live in $r12 at `jr $r1` 220245569 at seu dot edu.cn via Gcc-bugs
• 2026/04/27 [Bug preprocessor/125048] New: ICE on repeated usage of ##__VA_OPT__() luigighiron at gmail dot com via Gcc-bugs
• 2026/04/27 [Bug target/125045] [meta-bug] SSP fallback leaves canary in live GPR on many targets 220245569 at seu dot edu.cn via Gcc-bugs
• 2026/04/27 [Bug fortran/125021] [15/16/17 Regression][coarray] internal compiler error at fortran/trans-expr.cc:2998 jvdelisle at gcc dot gnu.org via Gcc-bugs
• 2026/04/27 [Bug tree-optimization/120702] Extraneous string constant at -Os Visda.vokhshoori at microchip dot com via Gcc-bugs
• 2026/04/27 [Bug c++/125022] [17 Regression] ICE on qtwebengine-6.11.0: in tsubst_stmt, at cp/pt.cc:20843 due to clang::trivial_abi (r17-43) jason at gcc dot gnu.org via Gcc-bugs
• 2026/04/27 [Bug tree-optimization/120702] Extraneous string constant at -Os pinskia at gcc dot gnu.org via Gcc-bugs
• 2026/04/27 [Bug tree-optimization/117572] Missing optimization after SCCP due to rewriting for overflow pinskia at gcc dot gnu.org via Gcc-bugs
• 2026/04/27 [Bug tree-optimization/117572] Missing optimization after SCCP due to rewriting for overflow pinskia at gcc dot gnu.org via Gcc-bugs
• 2026/04/27 [Bug jit/125047] [16/17 regression] ICE in get_int_type, at jit/jit-recording.cc:838 pinskia at gcc dot gnu.org via Gcc-bugs
• 2026/04/27 [Bug jit/125047] New: [16 regression] ICE in get_int_type, at jit/jit-recording.cc:838 schwab--- via Gcc-bugs
• 2026/04/27 [Bug c++/100897] Symmetric transfer does not prevent stack-overflow for C++20 coroutines eric.niebler at gmail dot com via Gcc-bugs
• 2026/04/27 [Bug tree-optimization/57650] Suboptimal code after TRUTH_AND_EXPR is changed into BIT_AND_EXPR cvs-commit at gcc dot gnu.org via Gcc-bugs
• 2026/04/27 [Bug c++/55004] [meta-bug] constexpr issues ppalka at gcc dot gnu.org via Gcc-bugs
• 2026/04/27 [Bug c++/124978] Wrong type with decltype of auto template parameter ppalka at gcc dot gnu.org via Gcc-bugs
• 2026/04/27 [Bug c++/115314] auto template parameter has const qualifier on it even though the original does not cvs-commit at gcc dot gnu.org via Gcc-bugs
• 2026/04/27 [Bug c++/124953] [modules] recursive lazy load / failed to load pendings for ... ppalka at gcc dot gnu.org via Gcc-bugs
• 2026/04/27 [Bug c++/124978] Wrong type with decltype of auto template parameter cvs-commit at gcc dot gnu.org via Gcc-bugs
• 2026/04/27 [Bug c++/124953] [modules] recursive lazy load / failed to load pendings for ... cvs-commit at gcc dot gnu.org via Gcc-bugs
• 2026/04/27 [Bug c++/125042] [modules] ICE exporting templated using statement used in different files ppalka at gcc dot gnu.org via Gcc-bugs
• 2026/04/27 [Bug c++/100897] Symmetric transfer does not prevent stack-overflow for C++20 coroutines iains at gcc dot gnu.org via Gcc-bugs
• 2026/04/27 [Bug c++/125035] ICE in register_duplicate, at cp/module.cc:13060 ppalka at gcc dot gnu.org via Gcc-bugs
• 2026/04/27 [Bug tree-optimization/112090] ``(1 >> X) != 0` pattern should be extended to support other constants pinskia at gcc dot gnu.org via Gcc-bugs
• 2026/04/27 [Bug middle-end/112662] missed-optimization: loop increment until wrap pinskia at gcc dot gnu.org via Gcc-bugs
• 2026/04/27 [Bug c++/124910] [16 Regression] bogus 'std::optional{...}' is not a constant expression error after resetting it via '= nullopt' cvs-commit at gcc dot gnu.org via Gcc-bugs
• 2026/04/27 [Bug tree-optimization/116700] `(A > PZ) ? ABS(A) : PZ` -> `MAX(A, PZ)` where PZ is known to be non-negative pinskia at gcc dot gnu.org via Gcc-bugs
• 2026/04/27 [Bug tree-optimization/116700] `(A > PZ) ? ABS(A) : PZ` -> `MAX(A, PZ)` where PZ is known to be non-negative pinskia at gcc dot gnu.org via Gcc-bugs
• 2026/04/27 [Bug tree-optimization/116700] `(A > PZ) ? ABS(A) : PZ` -> `MAX(A, PZ)` where PZ is known to be non-negative avinal.xlvii at gmail dot com via Gcc-bugs
• 2026/04/27 [Bug tree-optimization/124941] ICE: in require, at machmode.h:323 with -O and _BitInt() reinterpret jakub at gcc dot gnu.org via Gcc-bugs
• 2026/04/27 [Bug c++/100897] Symmetric transfer does not prevent stack-overflow for C++20 coroutines eric.niebler at gmail dot com via Gcc-bugs
• 2026/04/27 [Bug tree-optimization/124941] ICE: in require, at machmode.h:323 with -O and _BitInt() reinterpret law at gcc dot gnu.org via Gcc-bugs
• 2026/04/27 [Bug tree-optimization/120702] Extraneous string constant at -Os pinskia at gcc dot gnu.org via Gcc-bugs
• 2026/04/27 [Bug tree-optimization/125046] New: sccp is run too late after lowering of bitInt pinskia at gcc dot gnu.org via Gcc-bugs
• 2026/04/27 [Bug tree-optimization/120702] Extraneous string constant at -Os Visda.vokhshoori at microchip dot com via Gcc-bugs
• 2026/04/27 [Bug tree-optimization/125036] [17 Regression] ICE during bootstrap build in libisl gcc/isl/isl_flow.c: In function ‘isl_union_access_info_init’: after r17-89-g78280307c78ead pinskia at gcc dot gnu.org via Gcc-bugs
• 2026/04/27 [Bug tree-optimization/120702] Extraneous string constant at -Os Visda.vokhshoori at microchip dot com via Gcc-bugs
• 2026/04/27 [Bug tree-optimization/125036] [17 Regression] ICE during bootstrap build in libisl gcc/isl/isl_flow.c: In function ‘isl_union_access_info_init’: after r17-89-g78280307c78ead pinskia at gcc dot gnu.org via Gcc-bugs
• 2026/04/27 [Bug tree-optimization/124886] (X * C1) + (X << C2) -> X * (C1 + (1 << C2)) pzheng at gcc dot gnu.org via Gcc-bugs
• 2026/04/27 [Bug tree-optimization/124886] (X * C1) + (X << C2) -> X * (C1 + (1 << C2)) cvs-commit at gcc dot gnu.org via Gcc-bugs
• 2026/04/27 [Bug target/121268] RISC-V: Possible optimization when manipulating rightmost bits with zbb enabled law at gcc dot gnu.org via Gcc-bugs
• 2026/04/27 [Bug target/121268] RISC-V: Possible optimization when manipulating rightmost bits with zbb enabled cvs-commit at gcc dot gnu.org via Gcc-bugs
• 2026/04/27 [Bug target/125045] [meta-bug] SSP fallback leaves canary in live GPR on many targets pinskia at gcc dot gnu.org via Gcc-bugs
• 2026/04/27 [Bug middle-end/125045] New: [middle-end/target] SSP fallback leaves canary in live GPR on MIPS/LoongArch/Xtensa/CSKY... 220245569 at seu dot edu.cn via Gcc-bugs
• 2026/04/27 [Bug tree-optimization/125013] False maybe-uninitialized wrapping std::optional pinskia at gcc dot gnu.org via Gcc-bugs
• 2026/04/27 [Bug c++/124241] [reflection] internal compiler error: in friend_accessible_p, at cp/search.cc:817 mpolacek at gcc dot gnu.org via Gcc-bugs
• 2026/04/27 [Bug ada/125044] New: taszk declared as a class-wide object on the stack: not starting. works without 'Class 00120260a at gmail dot com via Gcc-bugs
• 2026/04/27 [Bug c++/125007] [reflection] static_assert error message treats a reflection of an annotation as a reflection of constant jakub at gcc dot gnu.org via Gcc-bugs
• 2026/04/27 [Bug c++/125043] [/14/15/16/17 Regression] ICE in passing invalid constant template argument mpolacek at gcc dot gnu.org via Gcc-bugs
• 2026/04/27 [Bug c++/125043] regression: ICE in passing invalid constant template argument mpolacek at gcc dot gnu.org via Gcc-bugs
• 2026/04/27 [Bug c++/125043] New: regression: ICE in passing invalid constant template argument barry.revzin at gmail dot com via Gcc-bugs
• 2026/04/27 [Bug libstdc++/125024] [reflection] `std::is_scalar_v<std::meta::info>` incorrectly yields `false` redi at gcc dot gnu.org via Gcc-bugs
• 2026/04/27 [Bug tree-optimization/125013] False maybe-uninitialized wrapping std::optional redi at gcc dot gnu.org via Gcc-bugs
• 2026/04/27 [Bug tree-optimization/125013] False maybe-uninitialized wrapping std::optional redi at gcc dot gnu.org via Gcc-bugs
• 2026/04/27 [Bug tree-optimization/125013] False maybe-uninitialized wrapping std::optional redi at gcc dot gnu.org via Gcc-bugs
• 2026/04/27 [Bug target/124365] -flto -g loses AEABI attributes on aarch64 when configured against recent binutils cvs-commit at gcc dot gnu.org via Gcc-bugs
• 2026/04/27 [Bug tree-optimization/93556] lower mempcpy to memcpy when result is unused pinskia at gcc dot gnu.org via Gcc-bugs
• 2026/04/27 [Bug bootstrap/125041] [17 Regression] ICE in add_iv_candidate_for_doloop building libgphobos on powerpc64*-linux-gnu pinskia at gcc dot gnu.org via Gcc-bugs
• 2026/04/27 [Bug tree-optimization/125036] [17 Regression] ICE during bootstrap build in libisl gcc/isl/isl_flow.c: In function ‘isl_union_access_info_init’: after r17-89-g78280307c78ead pinskia at gcc dot gnu.org via Gcc-bugs
• 2026/04/27 [Bug tree-optimization/125019] [14/15/16 Regression] ICE on valid code at -O{2,3} with "-fno-vect-cost-model -fno-tree-dce -fno-tree-pre" on x86_64-linux-gnu: Segmentation fault cvs-commit at gcc dot gnu.org via Gcc-bugs
• 2026/04/27 [Bug c++/124952] [reflection] various problems with throw and reflection jakub at gcc dot gnu.org via Gcc-bugs
• 2026/04/27 [Bug tree-optimization/125040] [15/16/17 regression] internal compiler error: in clean, at tree-ssa-pre.cc:2166, during GIMPLE pass: pre rguenth at gcc dot gnu.org via Gcc-bugs
• 2026/04/27 [Bug tree-optimization/125036] [17 Regression] ICE during bootstrap build in libisl gcc/isl/isl_flow.c: In function ‘isl_union_access_info_init’: after r17-89-g78280307c78ead ro at gcc dot gnu.org via Gcc-bugs
• 2026/04/27 [Bug tree-optimization/125039] [14/15/16/17 regression] internal compiler error: in lower_bound, at value-range.h:636 since r14-4153 jakub at gcc dot gnu.org via Gcc-bugs
• 2026/04/27 [Bug c++/125042] New: [modules] ICE exporting templated using statement used in different files ulf.iversen at gmail dot com via Gcc-bugs
• 2026/04/27 [Bug tree-optimization/93556] lower mempcpy to memcpy when result is unused cvs-commit at gcc dot gnu.org via Gcc-bugs
• 2026/04/27 [Bug tree-optimization/125040] [15/16/17 regression] internal compiler error: in clean, at tree-ssa-pre.cc:2166, during GIMPLE pass: pre rguenth at gcc dot gnu.org via Gcc-bugs
• 2026/04/27 [Bug bootstrap/125041] [17 Regression] ICE in add_iv_candidate_for_doloop building libgphobos on powerpc64*-linux-gnu rguenth at gcc dot gnu.org via Gcc-bugs
• 2026/04/27 [Bug bootstrap/125041] New: [17 Regression] ICE in add_iv_candidate_for_doloop building libgphobos on powerpc64*-linux-gnu doko at gcc dot gnu.org via Gcc-bugs
• 2026/04/27 [Bug tree-optimization/125039] [14/15/16/17 regression] internal compiler error: in lower_bound, at value-range.h:636 since r14-4153 jakub at gcc dot gnu.org via Gcc-bugs
• 2026/04/27 [Bug tree-optimization/125040] [15/16/17 regression] internal compiler error: in clean, at tree-ssa-pre.cc:2166, during GIMPLE pass: pre sjames at gcc dot gnu.org via Gcc-bugs
• 2026/04/27 [Bug tree-optimization/125039] [14/15/16/17 regression] internal compiler error: in lower_bound, at value-range.h:636 sjames at gcc dot gnu.org via Gcc-bugs
• 2026/04/27 [Bug tree-optimization/125039] [14/15/16/17 regression] internal compiler error: in lower_bound, at value-range.h:636 sjames at gcc dot gnu.org via Gcc-bugs
• 2026/04/27 [Bug tree-optimization/125040] [15/16/17 regression] internal compiler error: in clean, at tree-ssa-pre.cc:2166, during GIMPLE pass: pre sjames at gcc dot gnu.org via Gcc-bugs
• 2026/04/27 [Bug tree-optimization/125040] [15/16/17 regression] internal compiler error: in clean, at tree-ssa-pre.cc:2166, during GIMPLE pass: pre sjames at gcc dot gnu.org via Gcc-bugs
• 2026/04/27 [Bug c/125040] New: [17 regression] internal compiler error: in clean, at tree-ssa-pre.cc:2166, during GIMPLE pass: pre lu.maltsis at postgrad dot manchester.ac.uk via Gcc-bugs
• 2026/04/27 [Bug tree-optimization/125039] [14/15/16/17 regression] internal compiler error: in lower_bound, at value-range.h:636 sjames at gcc dot gnu.org via Gcc-bugs
• 2026/04/27 [Bug tree-optimization/125039] [14/15/16/17 regression] internal compiler error: in lower_bound, at value-range.h:636 sjames at gcc dot gnu.org via Gcc-bugs
• 2026/04/27 [Bug tree-optimization/125039] [14/15/16/17 regression] internal compiler error: in lower_bound, at value-range.h:636 sjames at gcc dot gnu.org via Gcc-bugs
• 2026/04/27 [Bug c/125039] New: [15 regression] internal compiler error: in lower_bound, at value-range.h:636 lu.maltsis at postgrad dot manchester.ac.uk via Gcc-bugs
• 2026/04/27 [Bug libstdc++/125024] [reflection] `std::is_scalar_v<std::meta::info>` incorrectly yields `false` jakub at gcc dot gnu.org via Gcc-bugs
• 2026/04/27 [Bug libstdc++/125024] [reflection] `std::is_scalar_v<std::meta::info>` incorrectly yields `false` cvs-commit at gcc dot gnu.org via Gcc-bugs
• 2026/04/27 [Bug rtl-optimization/123129] FAIL: gcc.dg/rtl/powerpc/test-frame-related.c starting with - r16-6109-gffa98429b93934 cvs-commit at gcc dot gnu.org via Gcc-bugs
• 2026/04/27 [Bug rtl-optimization/122274] Prevent copy propagation from a non-frame related insn to a frame related insn cvs-commit at gcc dot gnu.org via Gcc-bugs
• 2026/04/27 [Bug c++/125038] C++ concept is not checked correctly. max.sagebaum at scicomp dot uni-kl.de via Gcc-bugs
• 2026/04/27 [Bug c++/125038] C++ concept is not checked correctly. pinskia at gcc dot gnu.org via Gcc-bugs
• 2026/04/27 [Bug c++/125038] C++ concept is not checked correctly. jakub at gcc dot gnu.org via Gcc-bugs
• 2026/04/27 [Bug c++/125038] C++ concept is not checked correctly. pinskia at gcc dot gnu.org via Gcc-bugs
• 2026/04/27 [Bug c++/67491] [meta-bug] concepts issues pinskia at gcc dot gnu.org via Gcc-bugs
• 2026/04/27 [Bug c++/125038] C++ concept is not checked correctly. pinskia at gcc dot gnu.org via Gcc-bugs
• 2026/04/27 [Bug c++/125038] C++ concept is not checked correctly. max.sagebaum at scicomp dot uni-kl.de via Gcc-bugs
• 2026/04/27 [Bug tree-optimization/125036] [17 Regression] ICE during bootstrap build in libisl gcc/isl/isl_flow.c: In function ‘isl_union_access_info_init’: after r17-89-g78280307c78ead pinskia at gcc dot gnu.org via Gcc-bugs
• 2026/04/27 [Bug c++/125038] C++ concept is not checked correctly. pinskia at gcc dot gnu.org via Gcc-bugs
• 2026/04/27 [Bug c++/125038] C++ concept is not checked correctly. pinskia at gcc dot gnu.org via Gcc-bugs
• 2026/04/27 [Bug c++/125038] C++ concept is not checked correctly. pinskia at gcc dot gnu.org via Gcc-bugs
• 2026/04/27 [Bug tree-optimization/124988] wrong code with __builtin_mul_overflow() and shift of _BitInt() on riscv cvs-commit at gcc dot gnu.org via Gcc-bugs
• 2026/04/27 [Bug c++/125038] New: C++ concept is not checked correctly. max.sagebaum at scicomp dot uni-kl.de via Gcc-bugs
• 2026/04/27 [Bug target/113609] EQ/NE comparison between avx512 kmask and -1 can be optimized with kxortest with checking CF. pinskia at gcc dot gnu.org via Gcc-bugs
• 2026/04/27 [Bug tree-optimization/125036] [17 Regression] ICE during bootstrap build in libisl gcc/isl/isl_flow.c: In function ‘isl_union_access_info_init’: after r17-89-g78280307c78ead pinskia at gcc dot gnu.org via Gcc-bugs
• 2026/04/27 [Bug cobol/122916] gcobol manual pages have undefined macros doko at gcc dot gnu.org via Gcc-bugs
• 2026/04/27 [Bug libgcc/125037] libatomic build fails for /usr/bin/ld being MOLD: "INPUT ( AS_NEEDED ( -lgcc_s ) )" / "library not found: AS_NEEDED" burnus at gcc dot gnu.org via Gcc-bugs
• 2026/04/27 [Bug c++/125035] [16/17 Regression] ICE in register_duplicate, at cp/module.cc:13060 rguenth at gcc dot gnu.org via Gcc-bugs
• 2026/04/27 [Bug tree-optimization/125025] [13/14/15/16/17 Regression] ICE at -O1 -fsanitize=undefined during GIMPLE pass: profile_estimate cvs-commit at gcc dot gnu.org via Gcc-bugs
• 2026/04/27 [Bug tree-optimization/125036] [17 Regression] ICE during bootstrap build in libisl gcc/isl/isl_flow.c: In function ‘isl_union_access_info_init’: after r17-89-g78280307c78ead kishan at gcc dot gnu.org via Gcc-bugs
• 2026/04/27 [Bug target/124895] during RTL pass: narrow_gp_writes ICE: in df_lr_verify_transfer_functions, at df-problems.cc:1359 with -mnarrow-gp-writes soumyaa at gcc dot gnu.org via Gcc-bugs
• 2026/04/27 [Bug target/124895] during RTL pass: narrow_gp_writes ICE: in df_lr_verify_transfer_functions, at df-problems.cc:1359 with -mnarrow-gp-writes soumyaa at gcc dot gnu.org via Gcc-bugs
• 2026/04/27 [Bug tree-optimization/125036] [17 Regression] ICE during bootstrap build in libisl gcc/isl/isl_flow.c: In function ‘isl_union_access_info_init’: after r17-89-g78280307c78ead pinskia at gcc dot gnu.org via Gcc-bugs
• 2026/04/27 [Bug tree-optimization/125036] [17 Regression] ICE during bootstrap build in libisl gcc/isl/isl_flow.c: In function ‘isl_union_access_info_init’: after r17-89-g78280307c78ead pinskia at gcc dot gnu.org via Gcc-bugs
• 2026/04/27 [Bug tree-optimization/125036] [17 Regression] ICE during bootstrap build in libisl gcc/isl/isl_flow.c: In function ‘isl_union_access_info_init’: after r17-89-g78280307c78ead kishan at gcc dot gnu.org via Gcc-bugs
• 2026/04/27 [Bug libgomp/93226] OpenACC 2.6: acc_memcpy_device runtime function missing sebastian.galindo143 at gmail dot com via Gcc-bugs
• 2026/04/27 [Bug libgcc/125037] libatomic build fails for /usr/bin/ld being MOLD: "INPUT ( AS_NEEDED ( -lgcc_s ) )" / "library not found: AS_NEEDED" jakub at gcc dot gnu.org via Gcc-bugs
• 2026/04/27 [Bug libgcc/125037] New: libatomic build fails for /usr/bin/ld being MOLD: "INPUT ( AS_NEEDED ( -lgcc_s ) )" / "library not found: AS_NEEDED" burnus at gcc dot gnu.org via Gcc-bugs
• 2026/04/27 Inconsistent behaviour of std::is_constructible in libstdc++ in newer versions of GCC (15, 16) bingzhi song via Gcc-bugs
• 2026/04/26 [Bug tree-optimization/125025] [13/14/15/16/17 Regression] ICE at -O1 -fsanitize=undefined during GIMPLE pass: profile_estimate rguenth at gcc dot gnu.org via Gcc-bugs
• 2026/04/26 [Bug tree-optimization/125036] [17 Regression] ICE during bootstrap build in libisl gcc/isl/isl_flow.c: In function ‘isl_union_access_info_init’: after r17-89-g78280307c78ead pinskia at gcc dot gnu.org via Gcc-bugs
• 2026/04/26 [Bug tree-optimization/125036] [17 Regression] ICE during bootstrap build in libisl gcc/isl/isl_flow.c: In function ‘isl_union_access_info_init’: after r17-89-g78280307c78ead pinskia at gcc dot gnu.org via Gcc-bugs
• 2026/04/26 [Bug sanitizer/110553] -fsanitize=undefined needs -latomic on powerpc-unknown-linux-gnu doko at gcc dot gnu.org via Gcc-bugs
• 2026/04/26 [Bug tree-optimization/125036] ICE during bootstrap build in libisl gcc/isl/isl_flow.c: In function ‘isl_union_access_info_init’: after r17-89-g78280307c78ead kishan at gcc dot gnu.org via Gcc-bugs
• 2026/04/26 [Bug tree-optimization/125036] New: ICE during bootstrap build in libisl gcc/isl/isl_flow.c: In function ‘isl_union_access_info_init’: after r17-89-g78280307c78ead kishan at gcc dot gnu.org via Gcc-bugs
• 2026/04/26 [Bug target/125034] x86-64: use a 32-bit CMP_RETURN_MODE and CMPtype for smaller encodings tg at trevorgross dot com via Gcc-bugs
• 2026/04/26 [Bug c++/125035] New: [16 Regression] ICE in register_duplicate, at cp/module.cc:13060 doko at gcc dot gnu.org via Gcc-bugs
• 2026/04/26 [Bug tree-optimization/125027] [Coverity] tree-vect-stmts.cc: 8782: Possible null pointer dereference ? rguenth at gcc dot gnu.org via Gcc-bugs
• 2026/04/26 [Bug target/125034] x86-64: use a 32-bit CMP_RETURN_MODE and CMPtype for smaller encodings pinskia at gcc dot gnu.org via Gcc-bugs
• 2026/04/26 [Bug tree-optimization/125033] tree-ssa-loop-niter.cc can use widest_int instead of mpz rguenth at gcc dot gnu.org via Gcc-bugs
• 2026/04/26 [Bug target/125032] [17 Regression] ICE on pixman-0.46.4 (-mmmx) since r17-33-g5df64ae7fe7904 rguenth at gcc dot gnu.org via Gcc-bugs
• 2026/04/26 [Bug tree-optimization/125019] [14/15/16 Regression] ICE on valid code at -O{2,3} with "-fno-vect-cost-model -fno-tree-dce -fno-tree-pre" on x86_64-linux-gnu: Segmentation fault rguenth at gcc dot gnu.org via Gcc-bugs
• 2026/04/26 [Bug target/125034] x86-64: use a 32-bit CMP_RETURN_MODE and CMPtype for smaller encodings pinskia at gcc dot gnu.org via Gcc-bugs
• 2026/04/26 [Bug target/125026] [17 regression] ICE on valid code at -O{2,3} on x86_64-linux-gnu: in extract_insn, at recog.cc:2892 rguenth at gcc dot gnu.org via Gcc-bugs
• 2026/04/26 [Bug tree-optimization/125025] [13/14/15/16/17 Regression] ICE at -O1 -fsanitize=undefined during GIMPLE pass: profile_estimate rguenth at gcc dot gnu.org via Gcc-bugs
• 2026/04/26 [Bug target/125023] [13/14/15/16/17 Regression] x86_64: Inconsistent ABI behaviour when passing a structure with a zero-sized multidimensional array by value. rguenth at gcc dot gnu.org via Gcc-bugs
• 2026/04/26 [Bug target/125034] x86-64: use a 32-bit CMP_RETURN_MODE and CMPtype for smaller encodings tg at trevorgross dot com via Gcc-bugs
• 2026/04/26 [Bug tree-optimization/125019] [16/17 Regression] ICE on valid code at -O{2,3} with "-fno-vect-cost-model -fno-tree-dce -fno-tree-pre" on x86_64-linux-gnu: Segmentation fault cvs-commit at gcc dot gnu.org via Gcc-bugs
• 2026/04/26 [Bug target/125034] x86-64: use a 32-bit CMP_RETURN_MODE and CMPtype for smaller encodings pinskia at gcc dot gnu.org via Gcc-bugs
• 2026/04/26 [Bug target/125034] x86-64: use a 32-bit CMP_RETURN_MODE and CMPtype for smaller encodings pinskia at gcc dot gnu.org via Gcc-bugs
• 2026/04/26 [Bug c/125034] New: x86-64: use a 32-bit CMP_RETURN_MODE and CMPtype for smaller encodings tg at trevorgross dot com via Gcc-bugs
• 2026/04/26 [Bug tree-optimization/108377] Unexpected 'exceeds maximum object size' diagnostic, wrong-code? ncm at gcc dot gnu.org via Gcc-bugs
• 2026/04/26 [Bug tree-optimization/125033] New: tree-ssa-loop-niter.cc can use widest_int instead of mpz pinskia at gcc dot gnu.org via Gcc-bugs
• 2026/04/26 [Bug preprocessor/112373] cppcheck: libcpp/charset.cc: 3 * obvious performance issue pinskia at gcc dot gnu.org via Gcc-bugs
• 2026/04/26 [Bug libstdc++/124854] std::chrono::time_zone emits a brief incorrect sys_info at certain zone-line boundaries where zic.c's writezone merges a rule firing with the boundary alvaro.begue at gmail dot com via Gcc-bugs
• 2026/04/26 [Bug libstdc++/124853] std::chrono::time_zone misinterprets a Zone line's first sys_info for zones whose rule set has wall-time rules whose effective firing time depends on a prior rule's save (cascading wall TIME) alvaro.begue at gmail dot com via Gcc-bugs
• 2026/04/26 [Bug libstdc++/116110] Transitions obtained from chrono::time_zone::get_info should not treat times as UTC alvaro.begue at gmail dot com via Gcc-bugs
• 2026/04/26 [Bug libstdc++/124852] std::chrono::time_zone misparses Zone UNTIL fields whose DAY uses the ON format (lastSun, Sun>=8, etc.) alvaro.begue at gmail dot com via Gcc-bugs
• 2026/04/26 [Bug libstdc++/124851] std::chrono::time_zone reports wrong total offset for zones whose RULES field is a numeric DST save value alvaro.begue at gmail dot com via Gcc-bugs
• 2026/04/26 [Bug jit/101491] /usr/local/include/libgccjit++.h conflicts between different GCC installations rv4chsst7e at liamekaens dot com via Gcc-bugs
• 2026/04/26 [Bug target/111078] csneg is not used for (cset) * 2 - 1 pinskia at gcc dot gnu.org via Gcc-bugs
• 2026/04/26 [Bug c++/121438] Improve mergability of array's initializer_list pinskia at gcc dot gnu.org via Gcc-bugs
• 2026/04/26 [Bug middle-end/121394] [14/15 Regression] Since r16-2595-gf1c80147641783: link-time error: libm_a-e_atan2.o):(.rodata.cst32): SHF_MERGE section size (56) must be a multiple of sh_entsize (32) pinskia at gcc dot gnu.org via Gcc-bugs
• 2026/04/26 [Bug tree-optimization/116601] [13/14 Regression] during GIMPLE pass: fab ICE: verify_gimple failed: statement marked for throw, but doesn't with -O -fnon-call-exceptions pinskia at gcc dot gnu.org via Gcc-bugs
• 2026/04/26 [Bug tree-optimization/114277] [13/14 Regression] Missed optimization: x*(x||b) => x pinskia at gcc dot gnu.org via Gcc-bugs
• 2026/04/26 [Bug middle-end/85559] [meta-bug] Improve conditional move pinskia at gcc dot gnu.org via Gcc-bugs
• 2026/04/26 [Bug tree-optimization/105769] [13/14 Regression] program segmentation fault with -ftree-vectorize and nested lambdas pinskia at gcc dot gnu.org via Gcc-bugs
• 2026/04/26 [Bug middle-end/117426] [14 Regression] Miscompile with different optimization flags pinskia at gcc dot gnu.org via Gcc-bugs
• 2026/04/26 [Bug ipa/124796] [16/17 Regression] fnsplitting no longer works with struct wrapper around a scalar pinskia at gcc dot gnu.org via Gcc-bugs
• 2026/04/26 [Bug target/120144] [15/16 Regression] ICE when building libstdc++ on mips64-elf pinskia at gcc dot gnu.org via Gcc-bugs
• 2026/04/26 [Bug tree-optimization/110091] [13/14/15 Regression] bogus -Wdangling-pointer on non-pointer values pinskia at gcc dot gnu.org via Gcc-bugs
• 2026/04/26 [Bug tree-optimization/121347] [13/14/15 regression] wrong code at -O1 and above on x86_64-linux-gnu since r8-2555-g344be1fd47d7d6 pinskia at gcc dot gnu.org via Gcc-bugs
• 2026/04/26 [Bug tree-optimization/120258] [13/14/15 regression] wrong code at -O{s,1,2,3} on x86_64-linux-gnu pinskia at gcc dot gnu.org via Gcc-bugs
• 2026/04/26 [Bug tree-optimization/122497] [14/15 Regression] ice during GIMPLE pass: sccp since r16-4739 pinskia at gcc dot gnu.org via Gcc-bugs
• 2026/04/26 [Bug tree-optimization/120122] [14/15 Regression] wrong code due to VCE of bool being pulled out of loop pinskia at gcc dot gnu.org via Gcc-bugs
• 2026/04/26 [Bug tree-optimization/121279] [14/15 Regression] wrong code due to load of a bool from an union being pulled out of loop pinskia at gcc dot gnu.org via Gcc-bugs
• 2026/04/26 [Bug tree-optimization/65741] Missed loop optimization with asm pinskia at gcc dot gnu.org via Gcc-bugs
• 2026/04/26 [Bug c++/118352] final virtual dtor allows for class to be treated as final for devirtualization pinskia at gcc dot gnu.org via Gcc-bugs
• 2026/04/26 [Bug c++/109896] Missed optimisation: overflow detection in multiplication instructions for operator new pinskia at gcc dot gnu.org via Gcc-bugs
• 2026/04/26 [Bug fortran/125021] [15/16/17 Regression][coarray] internal compiler error at fortran/trans-expr.cc:2998 jvdelisle at gcc dot gnu.org via Gcc-bugs
• 2026/04/26 [Bug target/125032] [17 Regression] ICE on pixman-0.46.4 (-mmmx) since r17-33-g5df64ae7fe7904 slyfox at gcc dot gnu.org via Gcc-bugs
• 2026/04/26 [Bug fortran/125021] [15/16/17 Regression][coarray] internal compiler error at fortran/trans-expr.cc:2998 anlauf at gcc dot gnu.org via Gcc-bugs
• 2026/04/26 [Bug target/125032] [17 Regression] ICE on pixman-0.46.4 (-mmmx) pinskia at gcc dot gnu.org via Gcc-bugs
• 2026/04/26 [Bug target/125032] New: [17 Regression] ICE on pixman-0.46.4 (-mmmx) slyfox at gcc dot gnu.org via Gcc-bugs
• 2026/04/26 [Bug c++/84075] [13/14/15/16/17 Regression] Template parameter not resolved: invalid application of ‘sizeof’ to incomplete type ‘boost::serialization::U’ sjames at gcc dot gnu.org via Gcc-bugs
• 2026/04/26 [Bug c++/84075] [13/14/15/16/17 Regression] Template parameter not resolved: invalid application of ‘sizeof’ to incomplete type ‘boost::serialization::U’ jvdelisle at gcc dot gnu.org via Gcc-bugs
• 2026/04/26 [Bug target/121853] conversion from __bf16 to float is prohibitively expensive arnej at pvv dot ntnu.no via Gcc-bugs
• 2026/04/26 [Bug testsuite/124857] FAIL: g++.dg/gomp/deprecate-1.C ro at gcc dot gnu.org via Gcc-bugs

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