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[Bug tree-optimization/111282] New: `a & (b ^ ~a)` (or `a & ~(a ^ b)`) not optimized to `a & b` in gimple
2023-09-04 7:26 UTC (4+ messages)
` [Bug tree-optimization/111282] "
[Bug tree-optimization/110919] New: [14 Regression] Dead Code Elimination Regression at -O3 since r14-1691-gbc5a2c2e793
2023-09-04 6:55 UTC (4+ messages)
` [Bug tree-optimization/110919] "
[Bug target/110066] New: [RISC-V] Segment fault if compiled with -static -pg
2023-09-04 6:26 UTC (2+ messages)
` [Bug target/110066] [13 Regression] "
[Bug ada/111283] New: gnat bootstrap broken on trunk 20230902 on 32bit targets
2023-09-04 6:20 UTC (5+ messages)
` [Bug ada/111283] "
` [Bug ipa/111283] [14 Regression] "
` [Bug ipa/111283] [14 Regression] gnat profilebootstrap "
[Bug c++/111281] New: unhelpful warning output ('nonnull' argument 'v' compared to NULL)
2023-09-04 5:46 UTC (4+ messages)
` [Bug c++/111281] "
[Bug c++/111279] New: ICE: Segmentation fault with m68k,SJLJ and -malign-int
2023-09-04 5:06 UTC (3+ messages)
` [Bug target/111279] "
[Bug tree-optimization/96703] New: Failure to optimize combined comparison of variables and of variable with 0 to two comparisons with 0
2023-09-04 4:31 UTC (2+ messages)
` [Bug tree-optimization/96703] "
[Bug tree-optimization/96702] New: Failure to optimize comparisons involving result of subtraction
2023-09-04 3:50 UTC (5+ messages)
` [Bug tree-optimization/96702] "
[Bug middle-end/90323] powerpc should convert equivalent sequences to vec_sel()
2023-09-04 3:28 UTC
[Bug tree-optimization/108757] New: We do not simplify (a - (N*M)) / N + M -> a / N
2023-09-04 3:26 UTC (3+ messages)
` [Bug tree-optimization/108757] "
[Bug middle-end/98710] New: missing optimization (x | c) & ~(y | c) -> x & ~(y | c)
2023-09-04 1:31 UTC (3+ messages)
` [Bug middle-end/98710] "
[Bug tree-optimization/111280] New: CLZ(0) generated when CLZ_DEFINED_VALUE_AT_ZERO is false
2023-09-04 1:11 UTC (3+ messages)
` [Bug tree-optimization/111280] "
[Bug tree-optimization/56003] New: SCEV should thread flags ^= 0x80000000 as an addition to discover an IV var
2023-09-04 0:41 UTC (2+ messages)
` [Bug tree-optimization/56003] "
[Bug tree-optimization/96694] New: Failure to optimize min/max pattern using two binary nots to min/max pattern using one binary not
2023-09-04 0:22 UTC (2+ messages)
` [Bug tree-optimization/96694] "
[Bug tree-optimization/111275] New: ifcombine and reassociation does not like to produce `a ^ b` sometimes
2023-09-03 21:50 UTC (3+ messages)
` [Bug tree-optimization/111275] "
[Bug tree-optimization/103536] New: Suboptimal codegen for && and || combination
2023-09-03 20:54 UTC (3+ messages)
` [Bug tree-optimization/103536] "
[Bug middle-end/111278] New: error: call to ‘...’ declared with attribute error: code path is reachable with -Og, but not -O2
2023-09-03 20:43 UTC (6+ messages)
` [Bug middle-end/111278] "
[Bug c++/111277] New: braced-init-list allowed in a template-argument
2023-09-03 17:22 UTC
[Bug c++/57905] New: braced-init-list allowed in default template-argument
2023-09-03 17:01 UTC (2+ messages)
` [Bug c++/57905] "
[Bug tree-optimization/105832] New: Dead Code Elimination Regression at -O3 (trunk vs. 12.1.0)
2023-09-03 16:27 UTC (4+ messages)
` [Bug tree-optimization/105832] [13/14 Regression] "
[Bug fortran/111022] New: ES0.0E0 format gave ES0.dE0 output with d too high
2023-09-03 16:20 UTC (2+ messages)
` [Bug libfortran/111022] "
[Bug tree-optimization/111276] New: rewrite_to_defined_overflow rewrites already defined code
2023-09-03 16:19 UTC (3+ messages)
` [Bug tree-optimization/111276] "
[Bug libstdc++/83077] sso-string @ gnu-versioned-namespace
2023-09-03 12:22 UTC (5+ messages)
[Bug libstdc++/65762] New: --with-default-libstdcxx-abi=c++11 is silently ignored when --disable-libstdcxx-dual-abi is used
2023-09-03 12:12 UTC (2+ messages)
` [Bug libstdc++/65762] "
[Bug c++/111273] New: Spurious array-bounds error when copying data using _GLIBCXX_DEBUG iterators
2023-09-03 12:06 UTC (3+ messages)
` [Bug tree-optimization/111273] "
[Bug c/111043] New: ICE in adjust_loop_info_after_peeling, at tree-ssa-loop-ivcanon.cc:1068
2023-09-03 10:06 UTC (2+ messages)
` [Bug tree-optimization/111043] [14 regression] "
[Bug c++/111274] New: ice in fixup_blocks_walker with -O1 and -fopenmp
2023-09-03 4:27 UTC (10+ messages)
` [Bug c++/111274] "
[Bug rtl-optimization/31889] compiler misses opportunity to combine multiple identical function return paths
2023-09-03 3:44 UTC
[Bug middle-end/63311] New: [4.9/5 Regression] -O1 optimization introduces valgrind warning
2023-09-03 3:39 UTC (2+ messages)
` [Bug middle-end/63311] [11/12 "
[Bug tree-optimization/67628] New: [tree-optimization] (a && b) && c shows better codegen than a && (b && c)
2023-09-03 3:29 UTC (2+ messages)
` [Bug tree-optimization/67628] "
[Bug tree-optimization/25643] VRP does not remove -fbounds-check for Fortran
2023-09-03 3:24 UTC
[Bug c++/102609] New: [C++23] P0847R7 - Deducing this
2023-09-02 22:30 UTC (3+ messages)
` [Bug c++/102609] "
[Bug tree-optimization/99199] New: [9/10/11 Regression] Very large boolean expression leads to quite a few return statements
2023-09-02 21:15 UTC (2+ messages)
` [Bug rtl-optimization/99199] [11/12/13/14 "
[Bug tree-optimization/110413] New: [14 Regression] Missed Dead Code Elimination when using __builtin_unreachable since r14-1880-g827e208fa64
2023-09-02 20:52 UTC (2+ messages)
` [Bug tree-optimization/110413] "
[Bug middle-end/104986] New: [12 Regression] bogus writing 1 byte into a region of size 0 with -fwrapv and -O2 -fpeel-loops
2023-09-02 20:02 UTC (2+ messages)
` [Bug middle-end/104986] [12/13/14 Regression] bogus writing 1 byte into a region of size 0 with -fwrapv and -O2 -fpeel-loops since r12-4698-gf6d012338bf87f42
[Bug c/52708] New: suboptimal code with __builtin_constant_p
2023-09-02 18:25 UTC (2+ messages)
` [Bug tree-optimization/52708] "
[Bug tree-optimization/110131] New: [13/14 Regression] Missed Dead Code Elimination when using __builtin_unreachable since r12-6924-gc2b610e7c6c
2023-09-02 17:43 UTC (3+ messages)
` [Bug tree-optimization/110131] [12/13/14 "
[Bug analyzer/110529] New: -Wanalyzer-null-dereference false nagetive with `*arr[0] = 10086`
2023-09-02 14:24 UTC (2+ messages)
` [Bug analyzer/110529] Analyzer fails to handle computed goto
[Bug analyzer/111213] New: -Wanalyzer-out-of-bounds false negative with `return arr[9];`
2023-09-02 14:12 UTC (2+ messages)
` [Bug analyzer/111213] -Wanalyzer-out-of-bounds false negative with `return arr[9];` at -O1 and above
[Bug tree-optimization/107765] New: missing (int)-(unsigned)int_val to just -int_val if int_val is known not to contain INT_MIN
2023-09-02 7:29 UTC (5+ messages)
` [Bug tree-optimization/107765] "
[Bug libstdc++/111050] New: [11/12/13/14 Regression] ABI break in _Hash_node_value_base since GCC 11
2023-09-02 7:20 UTC (4+ messages)
` [Bug libstdc++/111050] "
[Bug tree-optimization/107137] New: (unsigned)-(int)(bool_var) should be optimized to -(unsigned)bool_var
2023-09-02 7:01 UTC (4+ messages)
` [Bug tree-optimization/107137] "
[Bug target/111268] New: internal compiler error: in to_constant, at poly-int.h:504
2023-09-02 3:22 UTC (5+ messages)
` [Bug target/111268] "
` [Bug tree-optimization/111268] [14 Regression] "
[Bug middle-end/110989] New: RISC-V vector ICE due to invalid tree code in GIMPLE vect pass
2023-09-02 3:22 UTC (2+ messages)
` [Bug middle-end/110989] "
[Bug tree-optimization/110817] New: [14 Regression] wrong code with vector compares on multiple targets
2023-09-02 2:33 UTC (12+ messages)
` [Bug tree-optimization/110817] [14 Regression] wrong code with vector compares and vector lowering
[Bug c/111269] New: Confusing location of error in source code
2023-09-02 0:29 UTC (5+ messages)
` [Bug c/111269] "
` [Bug c/111269] location for non-constant expressions inside static assert could be better
[Bug c++/111272] New: Truncated error messages with -std=c++23 and -std=c++26
2023-09-01 22:48 UTC (3+ messages)
` [Bug c++/111272] [13/14 Regression] "
[Bug tree-optimization/107876] New: [13 Regression] ICE in verify_dominators, at dominance.cc:1184 (error: dominator of 4 should be 14, not 16)
2023-09-01 21:43 UTC (2+ messages)
` [Bug tree-optimization/107876] [13 Regression] ICE in verify_dominators, at dominance.cc:1184 (error: dominator of 4 should be 14, not 16) since r13-3749-g7314b98b1bcd382c
[Bug other/111264] New: [14 regression] gcc.dg/plugin/analyzer_cpython_plugin.c breaks after r14-3580-g597b9ec69bca8a
2023-09-01 21:32 UTC (11+ messages)
` [Bug other/111264] "
` [Bug analyzer/111264] "
` [Bug testsuite/111264] "
[Bug libstdc++/110572] New: ld.lld: error: duplicate symbol: std::type_info::operator==(std::type_info const&) const
2023-09-01 21:30 UTC (2+ messages)
` [Bug libstdc++/110572] "
[Bug target/111270] New: gcc/config/i386/i386-options.cc:3039:8: warning: duplicated ‘if ’ condition [-Wduplicated-cond]
2023-09-01 21:02 UTC (5+ messages)
` [Bug target/111270] "
[Bug fortran/31059] bounds-check does not detect nonconforming assignment arrays
2023-09-01 20:42 UTC
[Bug analyzer/105948] New: RFE: analyzer could check c++ placement-new sizes
2023-09-01 20:09 UTC (3+ messages)
` [Bug analyzer/105948] "
[Bug analyzer/94355] New: support for C++ new expression
2023-09-01 20:06 UTC (2+ messages)
` [Bug analyzer/94355] analyzer "
[Bug c++/111262] New: error: count of bb not initialized with -O3
2023-09-01 18:51 UTC (5+ messages)
` [Bug tree-optimization/111262] [14 Regression] "
[Bug c++/111243] New: The -Og option inlines functions, making for a poor debugging experience
2023-09-01 17:30 UTC (10+ messages)
` [Bug middle-end/111243] "
[Bug c++/110879] New: Unnecessary reread from memory in a loop
2023-09-01 16:12 UTC (3+ messages)
` [Bug libstdc++/110879] [14 Regression] Unnecessary reread from memory in a loop with std::vector
[Bug fortran/111271] New: gcc/fortran/trans-expr.cc:1134:8: warning: duplicated ‘if’ condition [-Wduplicated-cond]
2023-09-01 15:09 UTC (2+ messages)
` [Bug fortran/111271] "
[Bug libstdc++/111077] New: atomic_ref compare_exchange_strong doesn't properly ignore padding bits
2023-09-01 15:02 UTC (2+ messages)
` [Bug libstdc++/111077] "
[Bug target/111161] New: [13 Regression] ICE: RTL check: expected code 'const_int', have 'reg' in riscv_print_operand, at config/riscv/riscv.cc:4394 during build
2023-09-01 14:23 UTC (2+ messages)
` [Bug target/111161] "
[Bug c++/104661] New: Catching exception by const value when exception-object has lvalue-reference constructor
2023-09-01 14:10 UTC (2+ messages)
` [Bug c++/104661] [C++17+] "
[Bug c++/111069] New: Mangling of static structured bindings
2023-09-01 13:15 UTC (2+ messages)
` [Bug c++/111069] "
[Bug rtl-optimization/111267] New: Codegen regression from i386 argument passing changes
2023-09-01 12:55 UTC
[Bug middle-end/111017] New: [OpenMP] Wrong code with non-rectangular loop nest
2023-09-01 12:39 UTC (3+ messages)
` [Bug middle-end/111017] [12/13/14 Regression][OpenMP] "
[Bug tree-optimization/19832] don't remove an if when we know the value is the same as with the if (subtraction)
2023-09-01 12:23 UTC (3+ messages)
[Bug tree-optimization/110915] New: vector version of `x == MIN & x > y` is not optimized
2023-09-01 12:19 UTC (2+ messages)
` [Bug tree-optimization/110915] "
[Bug libstdc++/104167] New: Implement C++20 std::chrono::utc_clock, std::chrono::tzdb etc
2023-09-01 11:16 UTC (2+ messages)
` [Bug libstdc++/104167] "
[Bug libstdc++/111162] New: signed integer overflow triggered by std::chrono::parse
2023-09-01 10:57 UTC (3+ messages)
` [Bug libstdc++/111162] "
[Bug analyzer/111266] New: Missing -Wanalyzer-out-of-bounds for concrete offset overwrite
2023-09-01 9:56 UTC
C++ undefined behaviour sanitiser bug when compiled with optimization
2023-09-01 9:38 UTC (2+ messages)
[Bug tree-optimization/23970] loop-invariant-motion is not doing it's work
2023-09-01 9:17 UTC
[Bug c++/111261] New: No warning for out of order class initialisation when using class initialisers
2023-09-01 8:19 UTC (5+ messages)
` [Bug c++/111261] "
[Bug target/111260] New: arm: ice in maybe_legitimize_operand, at optabs.cc:8054
2023-09-01 8:09 UTC (2+ messages)
` [Bug target/111260] "
[Bug fortran/111265] New: Compiler segfault with character array in deferred type, when returned by a function
2023-09-01 7:48 UTC
[Bug libstdc++/111258] New: std::string cannot to be moved in constant evaluated expression
2023-09-01 7:20 UTC (3+ messages)
` [Bug libstdc++/111258] "
[Bug c/111232] New: RISC-V: Failed to combine vwmul + vadd into vwmacc
2023-09-01 3:24 UTC (2+ messages)
` [Bug target/111232] "
[Bug c++/110484] New: Spec2017 541 after adding the '-flto-fomit-frame-pointer' optimization, after optimizing the rnreg, directly replaced other registers with the $r22 register, so that the value of the $r22 register was destroyed without being saved
2023-09-01 3:23 UTC (5+ messages)
` [Bug target/110484] "
[Bug sanitizer/110936] New: if constexpr: member function pointers cannot be checked with ubsan
2023-09-01 2:21 UTC (3+ messages)
` [Bug c++/110936] "
[Bug c++/66487] New: [6 Regression] Firefox segfault with LTO enabled
2023-08-31 23:07 UTC (2+ messages)
` [Bug c++/66487] sanitizer/warnings for lifetime DSE
[Bug libstdc++/109751] New: boost interface_interface fails concept check starting in gcc-13
2023-08-31 22:40 UTC (3+ messages)
` [Bug c++/109751] [13/14 Regression] boost iterator_interface "
[Bug c++/92407] Destruction of objects returned from functions skipped by goto
2023-08-31 22:40 UTC
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