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[Bug c++/99539] New: Varargs are allowed in requires expression
2021-12-23 21:41 UTC (2+ messages)
` [Bug c++/99539] "
[Bug target/99551] New: aarch64: csel is used for cold scalar computation which affects performance
2021-12-23 21:31 UTC (2+ messages)
` [Bug rtl-optimization/99551] "
[Bug c++/99228] New: blend/shuffle
2021-12-23 21:27 UTC (2+ messages)
` [Bug target/99228] blend/shuffle
[Bug bootstrap/103820] New: [12 Regression] i686 failed to bootstrap with ada by r12-6077
2021-12-23 21:25 UTC (6+ messages)
` [Bug bootstrap/103820] "
[Bug target/98977] New: [x86] Failure to optimize consecutive sub flags usage
2021-12-23 21:16 UTC (3+ messages)
` [Bug target/98977] "
` [Bug rtl-optimization/98977] "
[Bug fortran/102595] New: ICE in var_element, at fortran/decl.c:298
2021-12-23 20:15 UTC (3+ messages)
` [Bug fortran/102595] ICE in var_element, at fortran/decl.c:298 since r10-5607-gde89b5748d68b76b
[Bug tree-optimization/103821] New: [12 Regression] huge compile time (jump threading) at -O3 for simple code
2021-12-23 20:14 UTC (3+ messages)
` [Bug tree-optimization/103821] "
[Bug ada/103785] New: [12 Regression] Ada LTO+PGO bootstrap ICEs on i586
2021-12-23 20:06 UTC (2+ messages)
` [Bug target/103785] [12 Regression] Ada bootstrap ICEs on i?86
[Bug c/103818] New: ICE: in insert, at ipa-modref-tree.c:591
2021-12-23 19:52 UTC (2+ messages)
` [Bug ipa/103818] [12 Regression] "
[Bug ipa/103819] New: [12 Regression] ICE in redirect_callee, at cgraph.c:1389 with __attribute__((flatten)) and -O2
2021-12-23 19:50 UTC (3+ messages)
` [Bug ipa/103819] "
` [Bug ipa/103819] [10/11/12 "
[Bug c/103815] New: Misoptimization of a bounded do/while loop
2021-12-23 19:08 UTC (2+ messages)
` [Bug c/103815] "
[Bug bootstrap/103817] New: Bootstrap broken on x86_64-apple-darwin21
2021-12-23 15:27 UTC (2+ messages)
` [Bug bootstrap/103817] "
[Bug c/103816] New: ICE: in vect_build_slp_tree_2, at tree-vect-slp.c:1748
2021-12-23 14:54 UTC (2+ messages)
` [Bug tree-optimization/103816] [12 Regression] ICE: in vect_build_slp_tree_2, at tree-vect-slp.c:1748 since r12-1551-g3dfa4fe9f1a089b2
[Bug c++/52830] New: ICE: "canonical types differ for identity types ..." when attempting SFINAE with member type
2021-12-23 14:04 UTC (3+ messages)
` [Bug c++/52830] ICE: "canonical types differ for identical "
[Bug middle-end/57955] New: Uniquization of constants breaks constant alignment
2021-12-23 13:55 UTC (4+ messages)
` [Bug middle-end/57955] [9/10/11/12 Regression] Uniquization of constants reduces alignment of initializers
[Bug ada/79724] GNAT tools do not respect --program-suffix and --program-prefix
2021-12-23 13:52 UTC (4+ messages)
[Bug middle-end/48110] New: __attribute__ ((optimize(...))) version of -Ofast
2021-12-23 13:20 UTC (3+ messages)
` [Bug c/48110] "fast" and "g" should be aliases of "Ofast" and "Og" inside optimize attribute
[Bug c++/103809] New: spurious reporting of structure redefinition
2021-12-23 12:55 UTC (3+ messages)
` [Bug c++/103809] "
` [Bug c++/103809] wrong reporting of (template) struct redefinition when doing a more constrained template outside of the namespace
[Bug c++/92944] [concepts] redefinition error when using constrained structure template inside namespace
2021-12-23 12:55 UTC
[Bug target/103773] New: wrong code at -Oz due to sign extension
2021-12-23 12:36 UTC (2+ messages)
` [Bug target/103773] "
[Bug c++/98662] New: checking ICE in friend_accessible_p since r227023
2021-12-23 11:59 UTC (3+ messages)
` [Bug c++/98662] "
[Bug tree-optimization/103797] New: Clang vectorized LightPixel while GCC does not
2021-12-23 11:16 UTC (17+ messages)
` [Bug tree-optimization/103797] "
[Bug tree-optimization/98552] New: Make more use of __builtin_undefined for assuring that variables do not change
2021-12-23 9:51 UTC (2+ messages)
` [Bug tree-optimization/98552] "
[Bug tree-optimization/98598] New: Missed opportunity to optimize dependent loads in loops
2021-12-23 9:49 UTC (2+ messages)
` [Bug tree-optimization/98598] "
[Bug c++/91008] error redeclaring the same type involving a non-type template argument
2021-12-23 9:40 UTC
[Bug c++/98523] New: Bug with class static definition and non-type template parameters
2021-12-23 9:29 UTC (2+ messages)
` [Bug c++/98523] "
[Bug c++/98450] New: Inconsistent Wunused-variable warning for std::array
2021-12-23 9:26 UTC (2+ messages)
` [Bug c++/98450] "
[Bug c++/102221] New: Missed optimizations for algorithms over std::unique_ptr
2021-12-23 9:18 UTC (2+ messages)
` [Bug libstdc++/102221] "
[Bug c++/67491] New: [meta-bug] concepts issues
2021-12-23 9:10 UTC (2+ messages)
` [Bug c++/67491] "
[Bug c++/99244] New: internal compiler error: in tsubst_copy, at cp/pt.c:16581
2021-12-23 9:10 UTC (2+ messages)
` [Bug c++/99244] [modules] ICE "
[Bug c++/103524] New: [meta-bug] modules issue
2021-12-23 9:10 UTC (2+ messages)
` [Bug c++/103524] "
[Bug c++/103814] New: Internal error while compiling concepts, exception and fstream modules
2021-12-23 9:10 UTC (2+ messages)
` [Bug c++/103814] "
[Bug c/103813] New: Crash in decompose, at wide-int.h:984 fold-const
2021-12-23 8:34 UTC (5+ messages)
` [Bug middle-end/103813] "
` [Bug middle-end/103813] [11/12 Regression] "
` [Bug middle-end/103813] [11/12 Regression] Crash in decompose, at wide-int.h:984 fold-const since r11-5271-g4866b2f5db117f9e
[Bug debug/103808] New: [12 Regression] '-fcompare-debug' failure (length) w/ -O2 -ftrapv
2021-12-23 8:32 UTC (6+ messages)
` [Bug middle-end/103808] "
` [Bug target/103808] "
` [Bug target/103808] [12 Regression] '-fcompare-debug' failure (length) w/ -O2 -ftrapv since r12-5944-ga7acb6dca941db2b
[Bug tree-optimization/103786] New: Suspicious code in verify_type
2021-12-23 8:29 UTC (3+ messages)
` [Bug ipa/103786] "
[Bug tree-optimization/88842] missing optimization CSE, reassociation
2021-12-23 8:15 UTC
[Bug tree-optimization/35288] Expression reassociation problem
2021-12-23 8:14 UTC
[Bug c++/59394] New: Unused code generated
2021-12-23 8:04 UTC (4+ messages)
` [Bug middle-end/59394] "
[Bug tree-optimization/93518] missing warning on a possible overflow by sprintf %s with an allocated argument
2021-12-23 7:50 UTC
[Bug middle-end/92943] missing -Wformat-overflow with an allocated buffer with non-constant size in known range
2021-12-23 7:40 UTC
[Bug tree-optimization/83349] Missed optimization in math expression: aggressive optimization with std::pow
2021-12-23 7:30 UTC
[Bug middle-end/46597] New: configure -enable-checking=... -enable-build-with-cxx and bootstrap is g++ 3.3 hit minor problem
2021-12-23 7:27 UTC (2+ messages)
` [Bug middle-end/46597] "
[Bug tree-optimization/58817] New: optimize alloca with constant size
2021-12-23 7:24 UTC (3+ messages)
` [Bug tree-optimization/58817] "
[Bug middle-end/89889] worse code compared to clang with alloca()
2021-12-23 7:24 UTC (3+ messages)
` [Bug tree-optimization/89889] "
[Bug tree-optimization/81445] Dynamic stack allocation not optimized into static allocation
2021-12-23 7:18 UTC (2+ messages)
[Bug middle-end/60762] New: [ASAN] -fsanitize=address fails with LTO
2021-12-23 7:12 UTC (2+ messages)
` [Bug middle-end/60762] "
[Bug middle-end/77422] -fdata-sections should put each constant in its own section
2021-12-23 7:05 UTC
[Bug tree-optimization/95118] New: gcc-10 and master -O3 -fopt-info-vec causes gcc to hang
2021-12-23 6:49 UTC (2+ messages)
` [Bug tree-optimization/95118] [10 Regression] "
[Bug middle-end/71533] -fdump-tree-fre1 hangs while printing an unnormal long double
2021-12-23 6:49 UTC
[Bug c/58101] New: Wrong out-of-bounds warning under -Os
2021-12-23 6:36 UTC (2+ messages)
` [Bug middle-end/58101] "
[Bug middle-end/14505] __builtin_constant_p(__func__) is not true
2021-12-23 6:22 UTC
[Bug middle-end/16660] attribute((aligned)) doesn't work for variables on the stack for greater than required alignement
2021-12-23 5:57 UTC
[Bug middle-end/39275] -funroll-loop fails
2021-12-23 5:54 UTC
[Bug target/103750] New: [i386] GCC schedules KMOV instructions that destroys performance in loop
2021-12-23 5:43 UTC (2+ messages)
` [Bug target/103750] "
[Bug middle-end/68378] Return value optimization does not fire iff in C mode
2021-12-23 5:31 UTC
[Bug middle-end/27896] lower-gimple produces extra goto for once return functions
2021-12-23 5:28 UTC
[Bug c/101913] New: -Wstrict-overflow -O3 false alarm on tzdb localtime.c
2021-12-23 5:24 UTC (2+ messages)
` [Bug middle-end/101913] "
[Bug tree-optimization/94930] New: Failure to optimize out subvsi in expansion of __builtin_memcmp with 1 as the operand with -ftrapv
2021-12-23 5:14 UTC (2+ messages)
` [Bug tree-optimization/94930] "
[Bug target/103623] New: error: unable to generate reloads (ICE in curr_insn_transform, at lra-constraints.c:4132), or error: insn does not satisfy its constraints (ICE in extract_constrain_insn_cached, at recog.c:2682)
2021-12-23 5:05 UTC (4+ messages)
` [Bug target/103623] [12 Regression] "
[Bug middle-end/53776] New: pragma optimize does not support Os
2021-12-23 4:11 UTC (2+ messages)
` [Bug ipa/53776] "
[Bug sanitizer/84250] Symbol collision when using both Address and Undefined Behavior sanitizers (-fsanitize=address,undefined)
2021-12-23 4:05 UTC
[Bug middle-end/86471] GCC/libstdc++ outputs inferior code for std::fill and std::fill_n vs std::memset on c-style arrays
2021-12-23 3:31 UTC
[Bug middle-end/90427] missing "sign flipping" optimization
2021-12-23 0:53 UTC
[Bug middle-end/43883] missed optimization of constant __int128_t modulus
2021-12-23 0:51 UTC (2+ messages)
[Bug middle-end/101253] New: Optimize i % C1 == C0 || i % C1*C2 == C0 to i % C1 == C0
2021-12-23 0:39 UTC (2+ messages)
` [Bug tree-optimization/101253] "
[Bug fortran/103471] New: [9/10/11/12 Regression] ICE in gfc_typenode_for_spec, at fortran/trans-types.c:1114
2021-12-23 0:35 UTC (2+ messages)
` [Bug fortran/103471] "
[Bug fortran/103506] New: [10/11/12 Regression] ICE in gfc_free_namespace, at fortran/symbol.c:4039
2021-12-22 23:52 UTC (2+ messages)
` [Bug fortran/103506] [10/11/12 Regression] ICE in gfc_free_namespace, at fortran/symbol.c:4039 since r10-2798-ge68a35ae4a65d2b3
[Bug fortran/103779] New: ICE in gfc_convert_chartype, at fortran/intrinsic.c:5400
2021-12-22 23:25 UTC (3+ messages)
` [Bug fortran/103779] "
[Bug fortran/103796] New: ICE in gfc_conv_expr_val, at fortran/trans-expr.c:9446
2021-12-22 23:21 UTC (4+ messages)
` [Bug fortran/103796] ICE in gfc_conv_expr_val, at fortran/trans-expr.c:9446 since r8-6395-gf8862a1b2afad9d1
[Bug driver/81371] Too many C++ templates output in build error
2021-12-22 22:16 UTC
[Bug c/103812] New: -fcond-mismatch could use a testcase that covers its documented behavior better
2021-12-22 21:34 UTC
[Bug c++/103811] New: [c++20] ICE when a lambda is used as a template argument of another lambda's function parameter
2021-12-22 21:26 UTC
[Bug c/103810] New: -fallow-parameterless-variadic-functions flag could use a testcase that covers its documentation better
2021-12-22 21:25 UTC
[Bug c++/103700] New: Incomplete type not causing constraints to fail
2021-12-22 21:17 UTC (4+ messages)
` [Bug c++/103700] "
[Bug fortran/103795] New: ICE in gfc_conv_array_constructor_expr, at fortran/trans-expr.c:8325
2021-12-22 20:21 UTC (2+ messages)
` [Bug fortran/103795] ICE in gfc_conv_array_constructor_expr, at fortran/trans-expr.c:8325 since r7-1821-g20d0bfcefd6caf09
[Bug driver/93645] Support Clang 12 --ld-path=
2021-12-22 19:16 UTC (3+ messages)
[Bug fortran/103776] New: ICE in gfc_compare_string, at fortran/arith.c:1118
2021-12-22 19:11 UTC (3+ messages)
` [Bug fortran/103776] "
[Bug fortran/103778] New: [10/11/12 Regression] ICE: Invalid expression in gfc_element_size
2021-12-22 19:09 UTC (2+ messages)
` [Bug fortran/103778] "
[Bug libstdc++/55713] New: std::tuple<ElementType> incorrectly is convertible to "ElementType" when it is an empty class
2021-12-22 18:29 UTC (2+ messages)
` [Bug libstdc++/55713] "
[Bug c++/93711] [9 Regression] ICE: [[no_unique_address] when constructing via template helper
2021-12-22 18:29 UTC
[Bug tree-optimization/91384] [9/10/11/12 Regression] Compare with negation is not eliminated
2021-12-22 16:07 UTC (2+ messages)
[Bug libstdc++/103805] New: Inconsistent exception specifications
2021-12-22 15:36 UTC (7+ messages)
` [Bug libstdc++/103805] "
[Bug c++/103807] New: Unable to make template class instance with default parameter of lambda::function
2021-12-22 15:21 UTC (3+ messages)
` [Bug c++/103807] "
[Bug c++/103806] New: internal compiler error: in vague_linkage_p, at cp/decl2.c:2192 for pdp11-aout target
2021-12-22 14:06 UTC (3+ messages)
` [Bug c++/103806] "
[Bug middle-end/93902] conversion from 64-bit long or unsigned long to double prevents simple optimization
2021-12-22 13:18 UTC (2+ messages)
[Bug c++/60437] New: [C++11] Bogus "error: no matching function for call to 'X::X(<brace-enclosed initializer list>)'"
2021-12-22 13:17 UTC (2+ messages)
` [Bug c++/60437] "
[Bug c++/102050] New: Nonempty list-initialization rejects constructor with defaulted std::initializer_list
2021-12-22 13:17 UTC (2+ messages)
` [Bug c++/102050] "
[Bug target/103804] New: ICE: 'global_options' are modified in local context
2021-12-22 12:26 UTC (2+ messages)
` [Bug target/103804] "
[Bug libfortran/53962] New: Tab handling with formatted stream output
2021-12-22 12:18 UTC (2+ messages)
` [Bug libfortran/53962] "
[Bug libstdc++/103801] New: Link tests are not allowed after GCC_NO_EXECUTABLES. for pdp11-aout target
2021-12-22 11:52 UTC (4+ messages)
` [Bug libstdc++/103801] "
[Bug middle-end/90323] powerpc should convert equivalent sequences to vec_sel()
2021-12-22 11:39 UTC (3+ messages)
[Bug middle-end/99633] New: s1113 benchmark of TSVC is unrolled by icc and not by gcc and runs faster on znver3
2021-12-22 10:42 UTC (2+ messages)
` [Bug tree-optimization/99633] "
[Bug middle-end/99408] New: s3251 benchmark of TSVC vectorized by clang runs about 7 times faster compared to gcc
2021-12-22 10:42 UTC (2+ messages)
` [Bug tree-optimization/99408] "
[Bug tree-optimization/92492] AVX512: Missed vectorization opportunity
2021-12-22 10:41 UTC
[Bug c++/96750] New: 10-12% performance decrease in benchmark going from GCC8 to GCC9/GCC10
2021-12-22 10:41 UTC (2+ messages)
` [Bug ipa/96750] [9/10/11/12 Regression] "
[Bug ipa/44612] -flto -fwhole-program: Never read variable not optimized away
2021-12-22 10:21 UTC
[Bug other/96281] New: TBAA does not work as expected for a simple test case
2021-12-22 10:20 UTC (2+ messages)
` [Bug tree-optimization/96281] "
[Bug middle-end/95794] New: strnlen of a constant string plus variable offset not folded when bound exceeds size
2021-12-22 10:14 UTC (2+ messages)
` [Bug tree-optimization/95794] "
[Bug tree-optimization/92714] [missed-optimization] aggregate initialization of an array fills the whole array with zeros first, including leading non-zero elements
2021-12-22 10:06 UTC
[Bug tree-optimization/93939] missing optimization for floating-point expression converted to integer whose result is known at compile time
2021-12-22 10:05 UTC
[Bug tree-optimization/45274] __restrict__ type qualifier does not work on pointers to bitfields
2021-12-22 9:53 UTC
[Bug middle-end/68360] GCC bitfield processing code is very inefficient
2021-12-22 9:52 UTC
[Bug target/92183] gcc tries to create a relocation in a mergeable section
2021-12-22 9:49 UTC
[Bug tree-optimization/89922] Loop on fixed size array is not unrolled and poorly optimized at -O2
2021-12-22 9:35 UTC
[Bug middle-end/87654] Information about constants from condition is not propagated
2021-12-22 9:31 UTC (2+ messages)
[Bug middle-end/87655] `i = i % constant` for static local `i` is not optimized
2021-12-22 9:28 UTC (2+ messages)
[Bug tree-optimization/103803] New: i++; i = i % constant -> i >= constant-1 ? 0 : i+1
2021-12-22 9:27 UTC
[Bug middle-end/83384] Optimize heap allocation as stack allocation
2021-12-22 9:15 UTC (2+ messages)
[Bug middle-end/103802] New: [12 regression] recip-3.c fails after r12-6087 on Power m32
2021-12-22 9:06 UTC (2+ messages)
` [Bug middle-end/103802] "
[Bug middle-end/80399] Premature optimization with unsigned
2021-12-22 9:04 UTC
[Bug tree-optimization/103800] New: ICE in vectorizable_phi, at tree-vect-loop.c:7861 with -O3 -march=skylake-avx512
2021-12-22 9:00 UTC (3+ messages)
` [Bug tree-optimization/103800] [12 Regression] ICE in vectorizable_phi, at tree-vect-loop.c:7861 with -O3 since r12-5626-g0194d92c35ca8b3a
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