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[Bug tree-optimization/103359] New: [12 Regression] Dead Code Elimination Regression at -O3 (trunk vs 11.2.0)
2021-11-22 15:34 UTC
[Bug preprocessor/103355] New: libcpp/lex.c:1289:9: warning: use of the 'likely' attribute is a C++20 extension [-Wc++20-extensions]
2021-11-22 15:33 UTC (4+ messages)
` [Bug preprocessor/103355] "
[Bug c++/103238] New: c++ Feature: array-copy experimental extensions implementing P1997
2021-11-22 15:22 UTC (2+ messages)
` [Bug c++/103238] "
[Bug tree-optimization/103168] New: Value numbering of pure functions can be improved
2021-11-22 15:14 UTC (6+ messages)
` [Bug tree-optimization/103168] Value numbering for PRE "
[Bug other/103335] New: new test case gcc.dg/tree-ssa/modref-dse-4.c fails
2021-11-22 14:11 UTC (4+ messages)
` [Bug other/103335] "
` [Bug testsuite/103335] [12 Regression] "
[Bug driver/100937] New: configure: Add --enable-default-semantic-interposition
2021-11-22 13:26 UTC (2+ messages)
` [Bug driver/100937] "
[Bug c++/103358] New: what is the first constructor argument of lambda coroutine promise_type?
2021-11-22 12:36 UTC
[Bug ada/103357] New: GCC 11 branch can't be built with the current master
2021-11-22 12:10 UTC (5+ messages)
` [Bug ada/103357] "
[Bug debug/103351] New: [12 Regression] '-fcompare-debug' failure (length) at -O2
2021-11-22 11:18 UTC (8+ messages)
` [Bug tree-optimization/103351] "
` [Bug tree-optimization/103351] [12 Regression] '-fcompare-debug' failure (length) at -O2 since r12-5301-g045206450386bcd7
[Bug c++/77299] No warning for unused "INT64_MAX" and similar constants
2021-11-22 11:18 UTC (10+ messages)
` [Bug c++/77299] [9/10/11/12 Regression] No warning for unused "INT64_MAX" and similar constants due macro tracking from system headers
[Bug tree-optimization/102872] New: If statement is always false but not figured out at gimple level
2021-11-22 11:17 UTC (3+ messages)
` [Bug tree-optimization/102872] "
[Bug tree-optimization/103356] New: bool0 == ~bool1 should simplify to bool1 ^ bool0
2021-11-22 11:06 UTC (2+ messages)
` [Bug tree-optimization/103356] "
[Bug c++/103349] New: ICE in potential_constant_expression_1, at cp/constexpr.c:9104 (sorry, unimplemented: unexpected AST of kind omp_masked)
2021-11-22 11:02 UTC (4+ messages)
` [Bug c++/103349] "
[Bug libstdc++/101227] New: Clang++ fails to instantiate std::optional if nested type has a non-static data member initializer
2021-11-22 10:56 UTC (2+ messages)
` [Bug libstdc++/101227] "
[Bug testsuite/103282] New: New test case gcc.dg/tree-ssa/modref-dse-5.c in r12-5292 fails
2021-11-22 10:55 UTC (3+ messages)
` [Bug testsuite/103282] "
[Bug rtl-optimization/103350] New: wrong code with -Os -fno-tree-ter on aarch64-unknown-linux-gnu
2021-11-22 10:43 UTC (5+ messages)
` [Bug rtl-optimization/103350] "
` [Bug rtl-optimization/103350] [12 Regression] wrong code with -Os -fno-tree-ter on aarch64-unknown-linux-gnu since r12-2288-g8695bf78dad1a42636775843ca832a2f4dba4da3
[Bug c/95448] New: Missing optimization: pointer untag, re-tag should be no-op
2021-11-22 10:36 UTC (2+ messages)
` [Bug tree-optimization/95448] "
[Bug tree-optimization/95230] New: Failure to optimize bit-scatter pattern to and 1
2021-11-22 10:14 UTC (2+ messages)
` [Bug tree-optimization/95230] "
[Bug c++/101180] New: [12 Regression] Rejected code since r12-299-ga0fdff3cf33f7284
2021-11-22 9:58 UTC (3+ messages)
` [Bug c++/101180] "
[Bug c++/103347] New: Non-static data member initialization is erroneously allowed in C++03 mode
2021-11-22 9:53 UTC (9+ messages)
` [Bug c++/103347] "
` [Bug c++/103347] [9/10/11/12 Regression] Non-static data member initialization is erroneously allowed in C++03 with assignment to NULL
[Bug c++/77513] -Wzero-as-null-pointer-constant vs 0, nullptr, NULL and __null
2021-11-22 9:45 UTC (5+ messages)
[Bug c++/101818] New: Error message for the wrong name in designated initializers could be improved
2021-11-22 9:41 UTC (3+ messages)
` [Bug c++/101818] "
[Bug c/78989] Missing -Waddress warning due to -Wno-system-headers
2021-11-22 9:41 UTC
[Bug c++/101859] New: Misleading error message in designated initializers
2021-11-22 9:39 UTC (2+ messages)
` [Bug c++/101859] "
[Bug c/57201] New: Using --save-temps affects whether warning is printed
2021-11-22 9:37 UTC (3+ messages)
` [Bug c/57201] --save-temps shows correct warning about macro in system-header (Wsystem-header)
[Bug c++/96868] New: C++20 designated initializer erroneous warnings
2021-11-22 9:35 UTC (2+ messages)
` [Bug c++/96868] "
[Bug c++/88158] Document designated initializer support in C++
2021-11-22 9:30 UTC
[Bug tree-optimization/93044] extra cast is not removed
2021-11-22 9:25 UTC
[Bug c++/103341] New: ICE type of variable instantiation constrained on template parameter
2021-11-22 9:15 UTC (2+ messages)
` [Bug c++/103341] "
[Bug c++/103338] New: ICE: in tsubst_pack_expansion, at cp/pt.c:13167
2021-11-22 9:13 UTC (3+ messages)
` [Bug c++/103338] [9/10/11/12 Regression] ICE: in tsubst_pack_expansion with invalid template friend and packed expression
[Bug c++/103346] New: ICE on template specialization via alias template with a non-type parameter pack, and fold expression on lambda calls
2021-11-22 9:06 UTC (2+ messages)
` [Bug c++/103346] "
[Bug tree-optimization/90437] Overflow detection too late for VRP
2021-11-22 9:06 UTC
[Bug tree-optimization/98953] New: Failure to optimize two reads from adjacent addresses into one
2021-11-22 8:44 UTC (2+ messages)
` [Bug tree-optimization/98953] "
[Bug ipa/103171] New: [12 Regression] ICE Segmentation fault since r12-2523-g13586172d0b70c9d
2021-11-22 8:42 UTC (3+ messages)
` [Bug ipa/103171] "
[Bug other/103345] New: missed optimization: add/xor individual bytes to form a word
2021-11-22 8:41 UTC (3+ messages)
` [Bug tree-optimization/103345] "
[Bug rtl-optimization/97783] New: Optimizer assumes global static variable cannot be updated by external function, even though function is passed address of local functions
2021-11-22 8:15 UTC (4+ messages)
` [Bug ipa/97783] [9/10/11/12 Regression] "
[Bug tree-optimization/100923] New: wrong code at -Os and above on x86_64-linux-gnu
2021-11-22 8:02 UTC (2+ messages)
` [Bug tree-optimization/100923] [9/10 Regression] wrong code at -O2 "
[Bug tree-optimization/103204] New: [11/12 Regression] ICE: in vn_reference_insert_pieces, at tree-ssa-sccvn.c:3842 (on -O2 and above)
2021-11-22 8:02 UTC (3+ messages)
` [Bug tree-optimization/103204] [11 Regression] ICE: in vn_reference_insert_pieces, at tree-ssa-sccvn.c:3842 (on -O2 and above) since r12-1295-g7a56d3d3e99cc77a
[Bug c++/102970] New: stable_sort uninitialized value with -funroll-loops -fno-tree-vectorize
2021-11-22 8:01 UTC (3+ messages)
` [Bug middle-end/102970] [11 Regression] stable_sort uninitialized value with -funroll-loops -fno-tree-vectorize since r11-2963-gd6a05b494b4b714e
[Bug tree-optimization/103237] New: wrong code with -ftree-vectorize at -O1 on x86_64-linux-gnu
2021-11-22 8:00 UTC (2+ messages)
` [Bug tree-optimization/103237] [9/10/11 Regression] wrong code with -ftree-vectorize at -O1 on x86_64-linux-gnu starting with r7-1219-gb28ead45fe630b9e
[Bug tree-optimization/103181] New: [9/10/11/12 Regression] wrong code at -O1 due to conditional division by 0 being executed
2021-11-22 8:00 UTC (2+ messages)
` [Bug tree-optimization/103181] [9/10/11 "
[Bug target/103248] New: ICE in operation_could_trap_helper_p, at tree-eh.c:2479
2021-11-22 8:00 UTC (2+ messages)
` [Bug middle-end/103248] [12 Regression] "
[Bug tree-optimization/103223] New: [12 regression] Access attribute prevents IPA optimization
2021-11-22 7:53 UTC (3+ messages)
` [Bug tree-optimization/103223] [12 regression] Access attribute dropped when ipa-sra is applied
[Bug fortran/102043] New: Wrong array types used for negative stride accesses
2021-11-22 7:46 UTC (2+ messages)
` [Bug fortran/102043] "
[Bug other/103088] New: [12 regression] 500.perlbench from spec 2017 fails since r12-4698
2021-11-22 7:37 UTC (3+ messages)
` [Bug tree-optimization/103088] "
[Bug tree-optimization/79534] [9/10/11/12 Regression] tree-ifcombine aarch64 performance regression with trunk@245151
2021-11-22 7:18 UTC
[Bug c/101474] New: -fipa-icf generates worse code for identical function
2021-11-22 7:03 UTC (3+ messages)
` [Bug tree-optimization/101474] SRA sometimes produces worse code with inline functions (seen with -fipa-icf sometimes)
[Bug c++/96252] New: mis-optimization where identical functions have very different codegen since gcc 10
2021-11-22 6:42 UTC (2+ messages)
` [Bug ipa/96252] [10/11/12 Regression] "
[Bug tree-optimization/92342] [10/11/12 Regression] a small missed transformation into x?b:0
2021-11-22 6:26 UTC (4+ messages)
[Bug c/103275] New: don't generate kmov with IE model relocations
2021-11-22 3:39 UTC (4+ messages)
` [Bug target/103275] [11/12 Regression] "
[Bug tree-optimization/103354] New: missed optimization with & and | and compares
2021-11-22 2:23 UTC (2+ messages)
` [Bug tree-optimization/103354] "
[Bug target/103353] New: Indefinite recursion when compiling -mmma requiring testcase w/ -maltivec
2021-11-22 2:09 UTC
[Bug tree-optimization/97984] New: [10/11 Regression] Worse code for -O3 than -O2 on aarch64 vector multiply-add
2021-11-22 0:49 UTC (2+ messages)
` [Bug target/97984] "
[Bug middle-end/85619] Inconsistent descriptions for new warning options in GCC 8.1.0
2021-11-21 22:02 UTC
[Bug middle-end/82798] Inconsistent descriptions for warning options in documentation
2021-11-21 21:56 UTC
[Bug bootstrap/50064] New: Failure in stage 2 (lazy binding) on openbsd
2021-11-21 21:48 UTC (2+ messages)
` [Bug bootstrap/50064] "
[Bug c/83011] -Wformat-truncation=2 difficult to avoid for non-constant bounds
2021-11-21 21:46 UTC (2+ messages)
[Bug c/103352] New: Wrong computation of -Wformat-truncation=2
2021-11-21 21:43 UTC (2+ messages)
` [Bug c/103352] "
[Bug debug/103315] New: Gfortran DW_AT_Rank expression not emitting correct rank value
2021-11-21 20:08 UTC (2+ messages)
` [Bug debug/103315] "
[Bug fortran/99061] New: [10/11 Regression] ICE in gfc_conv_intrinsic_atan2d, at fortran/trans-intrinsic.c:4728
2021-11-21 18:29 UTC (2+ messages)
` [Bug fortran/99061] [10/11/12 "
[Bug fortran/47720] New: problems with makefile dependency generation using -M
2021-11-21 18:19 UTC (2+ messages)
` [Bug fortran/47720] "
[Bug middle-end/26163] [meta-bug] missed optimization in SPEC (2k17, 2k and 2k6 and 95)
2021-11-21 15:21 UTC
[Bug lto/93358] [10/11/12 Regression] 447.dealII regresses by 15% after r10-6025-gf5b25e15165adde1356af42e9066ab75c5b37a19
2021-11-21 15:21 UTC
[Bug tree-optimization/103227] New: 58% exchange2 regression with -Ofast -march=native on zen3 between g:1ae8edf5f73ca5c3 and g:2af63f0f53a12a72
2021-11-21 15:16 UTC (4+ messages)
` [Bug ipa/103227] [12 Regression] 58% exchange2 regression with -Ofast -march=native on zen3 since r12-5223-gecdf414bd89e6ba251f6b3f494407139b4dbae0e
[Bug testsuite/103264] New: [12 regression] gcc.dg/tree-prof/merge_block.c fails after r12-5236
2021-11-21 15:14 UTC (4+ messages)
` [Bug testsuite/103264] "
[Bug c/103348] New: Bad code generated for fabs(long double) under aarch64
2021-11-21 15:00 UTC (5+ messages)
` [Bug c/103348] "
[Bug middle-end/99520] New: Failure to detect bswap pattern
2021-11-21 14:46 UTC (2+ messages)
` [Bug tree-optimization/99520] "
[Bug middle-end/31531] A microoptimization of isnegative of signed integer
2021-11-21 14:37 UTC (3+ messages)
[Bug tree-optimization/103344] New: mulshift does not work when divisor is larger than 100 on 32 bits target
2021-11-21 13:40 UTC (7+ messages)
` [Bug tree-optimization/103344] "
` [Bug middle-end/103344] "
[Bug testsuite/102720] New: [12 regression] gcc.dg/tree-ssa/ldist-strlen-1.c and ldist-strlen-2.c fail after r12-4234
2021-11-21 11:57 UTC (2+ messages)
` [Bug tree-optimization/102720] [12 regression] gcc.dg/tree-ssa/ldist-strlen-1.c and ldist-strlen-2.c fail after r12-4324
[Bug target/102117] New: s390: Inefficient code for 64x64=128 signed multiply for <= z13
2021-11-21 11:41 UTC (3+ messages)
` [Bug target/102117] "
[Bug middle-end/45410] constant not optimized / propagated across printf calls
2021-11-21 7:26 UTC
[Bug rtl-optimization/46265] New: Missing ifcvt
2021-11-21 7:21 UTC (2+ messages)
` [Bug rtl-optimization/46265] "
[Bug c/61502] New: == comparison on "one-past" pointer gives wrong result
2021-11-21 4:49 UTC (3+ messages)
` [Bug tree-optimization/61502] "
[Bug c/103343] New: Invalid codegen when comparing pointer to one past the end and then dereferencing that pointer
2021-11-21 4:46 UTC (2+ messages)
` [Bug c/103343] "
[Bug fortran/103342] New: [OPENMP]Missing barrier for linear clause within loop simd construct which not directly contained by parrellel construct
2021-11-21 1:06 UTC
[Bug lto/81847] New: ICE with LTO enabled
2021-11-21 1:04 UTC (2+ messages)
` [Bug lto/81847] "
[Bug c/103052] New: Function call omitted at -O1 optimization level
2021-11-20 23:40 UTC (3+ messages)
` [Bug ipa/103052] [9/10/11/12 Regression] Function is found to be pure looping but has a call to a noreturn function in it
[Bug tree-optimization/101541] New: Missing ABSU detection at gimple
2021-11-20 22:03 UTC (3+ messages)
` [Bug tree-optimization/101541] "
[Bug libstdc++/103340] New: constexpr std::string is incompatible with --enable-libstdcxx-allocator
2021-11-20 16:52 UTC (3+ messages)
` [Bug libstdc++/103340] [12 Regression] "
[Bug analyzer/103217] New: analyzer false positive on leak warning when using indirect strdup
2021-11-20 16:48 UTC (2+ messages)
` [Bug analyzer/103217] "
[Bug tree-optimization/103226] New: [12 Regression] Recent change to copy-headers causes execution failure for gcc.dg/torture/pr80974
2021-11-20 16:31 UTC (5+ messages)
` [Bug tree-optimization/103226] "
[Bug bootstrap/103305] New: [12 Regression] Cannot build aarch64-none-elf
2021-11-20 15:52 UTC (3+ messages)
` [Bug libstdc++/103305] Cannot build libstdc++ with newlib on aarch64-none-elf or bfin-elf with new version of newlib
[Bug other/103331] New: There should be a rule to make build.log in the top-level Makefile
2021-11-20 14:05 UTC (2+ messages)
` [Bug other/103331] "
[Bug bootstrap/103306] New: parallel build hangs since 04c5a91d068c4ca2f09c2bc206fce00db9d1790b
2021-11-20 13:18 UTC (2+ messages)
` [Bug bootstrap/103306] [12 Regression] parallel build hangs since r12-5234-g04c5a9 when /usr/include includes broken symbolic links
[Bug libstdc++/64135] New: Allocator base classes should use reserved names
2021-11-20 12:37 UTC (2+ messages)
` [Bug libstdc++/64135] "
[Bug c++/103328] New: IC in remap_gimple_stmt, at tree-inline.c:1921
2021-11-20 11:15 UTC (2+ messages)
` [Bug c++/103328] [11/12 Regression] ICE in remap_gimple_stmt, at tree-inline.c:1921 since r11-7419-g0f161cc8494cf728
[Bug preprocessor/103165] New: [12 Regression] ICE unspellable token PRAGMA since r12-4797-g0078a058a5693871
2021-11-20 11:02 UTC (2+ messages)
` [Bug preprocessor/103165] "
[Bug tree-optimization/103266] New: [12 regression] llvm-13 miscompilation: __builtin_assume_aligned causes over-aggressive dce
2021-11-20 10:34 UTC (2+ messages)
` [Bug tree-optimization/103266] "
[Bug tree-optimization/103220] New: missed casting issue with |/&?
2021-11-20 8:07 UTC (4+ messages)
` [Bug tree-optimization/103220] "
[Bug c++/103339] New: [modules] ICE in exporting module on use of outside specialization
2021-11-20 6:36 UTC
[Bug c++/102988] New: ice during GIMPLE pass: hardcbr
2021-11-20 5:57 UTC (3+ messages)
` [Bug tree-optimization/102988] ICE with -fharden-conditional-branches and C++ and pass by reference return value
[Bug jit/96889] New: Reflection API accessible from the jit C API
2021-11-20 1:53 UTC (3+ messages)
` [Bug jit/96889] "
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