Messages by Thread
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[Bug tree-optimization/119420] `a >> 1 == 0` should be trasformed into `((unsigned)a) <= 1`
cvs-commit at gcc dot gnu.org via Gcc-bugs
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[Bug tree-optimization/123967] Improve if-converted sequence on risc-v
cvs-commit at gcc dot gnu.org via Gcc-bugs
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[Bug tree-optimization/59429] Missed optimization opportunity in SPACESHIP comparison functions
xry111 at gcc dot gnu.org via Gcc-bugs
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[Bug c/124576] multiple evaluation of typeof arguments
cvs-commit at gcc dot gnu.org via Gcc-bugs
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[Bug tree-optimization/110010] (a>>N) != (b>>N) is not optimized to (a^b) >= (1<<N)
cvs-commit at gcc dot gnu.org via Gcc-bugs
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[Bug driver/91011] g++ -Q --help=warning, c++ outputs from C point of view
pinskia at gcc dot gnu.org via Gcc-bugs
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[Bug driver/125137] New: `-Q --help`: cannot specify language without source files
ivan.lazaric.gcc at gmail dot com via Gcc-bugs
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[Bug c++/125136] New: -Q --help: output file is not shown
ivan.lazaric.gcc at gmail dot com via Gcc-bugs
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[Bug rtl-optimization/124625] Missed ubfx + shifted addressing for (x >> N) & MASK when MASK has trailing zeros
law at gcc dot gnu.org via Gcc-bugs
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[Bug c++/125135] New: cc1plus segmentation fault
josephcanedo at hotmail dot com via Gcc-bugs
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[Bug target/125134] New: pr116896.c fails with --enable-default-pie
xry111 at gcc dot gnu.org via Gcc-bugs
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[Bug other/125133] New: Optimization: v = *(*p)++; can make different code from v = **p, p++;
Explorer09 at gmail dot com via Gcc-bugs
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[Bug target/125132] New: builtin-memmove-12.c fails with --enable-default-pie
xry111 at gcc dot gnu.org via Gcc-bugs
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[Bug rtl-optimization/125131] New: pr112824-2.C fails with --enable-default-ssp (unnecessary stack use with -fstack-protector-strong?)
xry111 at gcc dot gnu.org via Gcc-bugs
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[Bug c++/125130] New: g++ stack overflow ICE when building clksignal 2026-04-30
ats-gccbugs at offog dot org via Gcc-bugs
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[Bug modula2/125129] New: Many tests fail to link on FreeBSD
ro at gcc dot gnu.org via Gcc-bugs
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[Bug target/123279] [RISC-V] ICE: in code_for_pred_mov, at ./insn-opinit.h:968
law at gcc dot gnu.org via Gcc-bugs
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[Bug driver/125128] New: Driver crash in context::action_after_output after ICE
ats-gccbugs at offog dot org via Gcc-bugs
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[Bug c++/123143] internal compiler error: in lookup_member, at cp/search.cc:1197
cvs-commit at gcc dot gnu.org via Gcc-bugs
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[Bug target/87832] AMD pipeline models are very costly size-wise
cvs-commit at gcc dot gnu.org via Gcc-bugs
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[Bug target/124559] Improve constant synthesis for RISC-V
law at gcc dot gnu.org via Gcc-bugs
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[Bug c++/119059] [C++26] P3074R7 - Trivial unions
jakub at gcc dot gnu.org via Gcc-bugs
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[Bug c++/125127] New: Different results of double division followed by casts with the -m32 flag
ddvamp007 at gmail dot com via Gcc-bugs
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[Bug ada/114065] GNAT build with -D_TIME_BITS=64 -D_FILE_OFFSET_BITS=64 fails on 32-bit
ebotcazou at gcc dot gnu.org via Gcc-bugs
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[Bug ada/89097] GNAT build broken with long path names
ebotcazou at gcc dot gnu.org via Gcc-bugs
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[Bug testsuite/125126] New: [16/17 Regression] mv-symbols*.C and mvc-symbols*.C fail with --enable-default-pie
xry111 at gcc dot gnu.org via Gcc-bugs
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[Bug tree-optimization/93150] (A&N) == CST1 &( ((A&M)==CST2) | ((A&O)==CST3) ) is not simplified
daniel.barboza at oss dot qualcomm.com via Gcc-bugs
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[Bug lto/125125] New: error: relocation refers to global symbol "std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >::~basic_string()", which is defined in a discarded section
rudi at heitbaum dot com via Gcc-bugs
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[Bug ada/87938] libgnat.a not compiled with -fno-PIC
ebotcazou at gcc dot gnu.org via Gcc-bugs
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[Bug ada/87936] gnatlink fails with -pie
ebotcazou at gcc dot gnu.org via Gcc-bugs
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[Bug ada/117676] Missing package Wide_Command_Line and Wide_Wide_Command_Line
ebotcazou at gcc dot gnu.org via Gcc-bugs
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[Bug ada/58299] Ada defines UNICODE and _UNICODE too late for __MINGW32__
ebotcazou at gcc dot gnu.org via Gcc-bugs
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[Bug ada/88943] compiler switch -gnatceg does not generate C headers
ebotcazou at gcc dot gnu.org via Gcc-bugs
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[Bug tree-optimization/125124] New: [17 Regression] ICE on ffmpeg-8.1 GIMPLE pass: vect in vect_bb_slp_scalar_cost, at tree-vect-slp.cc:9455
slyfox at gcc dot gnu.org via Gcc-bugs
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[Bug rtl-optimization/96692] Failure to optimize xor+or+xor to andnot+xor
cvs-commit at gcc dot gnu.org via Gcc-bugs
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[Bug c++/125123] New: mangler issue with 'template for' and 'requires expr'
nurullahcitil1536 at gmail dot com via Gcc-bugs
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[Bug testsuite/125122] New: make[6]: cannot open jobserver /tmp/GMfifo1990392: No such file or directory
hjl.tools at gmail dot com via Gcc-bugs
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[Bug target/105010] [13/14/15/16/17 regression] GCC 12 after 20220227 fails to build on powerpc64-freebsd with Error: invalid mfcr mask
pkubaj at anongoth dot pl via Gcc-bugs
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[Bug ipa/125121] New: [16/17 Regression] ICE when building portage-utils during IPA pass: sra since r16-5466-gf9c01c47f8e545
kostadinshishmanov at protonmail dot com via Gcc-bugs
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[Bug tree-optimization/121003] Sometimes __builtin_unreachable is still there before the vectorizer
pinskia at gcc dot gnu.org via Gcc-bugs
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[Bug tree-optimization/125120] New: Missed auto-vectorization/memcpy replacement in __builtin_unreachable() context
nicula at nicula dot xyz via Gcc-bugs
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[Bug analyzer/125119] New: socket fd leak detection fails to track close() when the fd is stored via a linked list pointer dereference
daniel.lovasko at gmail dot com via Gcc-bugs
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[Bug libstdc++/124747] FAIL: std/simd/traits_common.cc -std=gnu++26 (test for excess errors)
redi at gcc dot gnu.org via Gcc-bugs
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[Bug libstdc++/125118] New: Missing freestanding header: cwchar
redi at gcc dot gnu.org via Gcc-bugs
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[Bug fortran/125117] New: [16 regression] Assigning character(len=N) component to character(:), allocatable function result loses conten
matthew.thompson at nasa dot gov via Gcc-bugs
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[Bug fortran/125117] [16/17 regression] Assigning character(len=N) component to character(:), allocatable function result loses conten
pinskia at gcc dot gnu.org via Gcc-bugs
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[Bug fortran/125117] [16/17 regression] Assigning character(len=N) component to character(:), allocatable function result loses conten
anlauf at gcc dot gnu.org via Gcc-bugs
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[Bug fortran/125117] [16/17 regression] Assigning character(len=N) component to character(:), allocatable function result loses conten
anlauf at gcc dot gnu.org via Gcc-bugs
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[Bug fortran/125117] [16/17 regression] Assigning character(len=N) component to character(:), allocatable function result loses conten
anlauf at gcc dot gnu.org via Gcc-bugs
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[Bug fortran/125117] [16/17 regression] Assigning character(len=N) component to character(:), allocatable function result loses conten
anlauf at gcc dot gnu.org via Gcc-bugs
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[Bug fortran/125117] [16/17 regression] Assigning character(len=N) component to character(:), allocatable function result loses conten
anlauf at gcc dot gnu.org via Gcc-bugs
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[Bug fortran/125117] [16/17 regression] Assigning character(len=N) component to character(:), allocatable function result loses conten
anlauf at gcc dot gnu.org via Gcc-bugs
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[Bug target/125117] [16/17 regression] Assigning character(len=N) component to character(:), allocatable function result loses conten
pinskia at gcc dot gnu.org via Gcc-bugs
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[Bug target/125117] [16/17 regression] Assigning character(len=N) component to character(:), allocatable function result loses conten
pinskia at gcc dot gnu.org via Gcc-bugs
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[Bug target/125117] [16/17 regression] Assigning character(len=N) component to character(:), allocatable function result loses conten
pinskia at gcc dot gnu.org via Gcc-bugs
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[Bug target/125117] [16/17 regression] Assigning character(len=N) component to character(:), allocatable function result loses content since r16-4947
sjames at gcc dot gnu.org via Gcc-bugs
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[Bug target/125117] [16/17 regression] Assigning character(len=N) component to character(:), allocatable function result loses content since r16-4947
hjl.tools at gmail dot com via Gcc-bugs
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[Bug target/125117] [16/17 regression] Assigning character(len=N) component to character(:), allocatable function result loses content since r16-4947
hjl.tools at gmail dot com via Gcc-bugs
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[Bug target/125117] [16/17 regression] Assigning character(len=N) component to character(:), allocatable function result loses content since r16-4947
cvs-commit at gcc dot gnu.org via Gcc-bugs
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[Bug target/125117] [16/17 regression] Assigning character(len=N) component to character(:), allocatable function result loses content since r16-4947
cvs-commit at gcc dot gnu.org via Gcc-bugs
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[Bug target/125117] [16/17 regression] Assigning character(len=N) component to character(:), allocatable function result loses content since r16-4947
hjl.tools at gmail dot com via Gcc-bugs
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[Bug analyzer/125116] New: -Wanalyzer-allocation-size false positive with Emacs
eggert at cs dot ucla.edu via Gcc-bugs
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[Bug ada/110336] GNAT tools do not build with coverage enabled
ebotcazou at gcc dot gnu.org via Gcc-bugs
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[Bug debug/121411] ctf type size truncated for large data types
dfaust at gcc dot gnu.org via Gcc-bugs
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[Bug c++/125115] New: [modules] conflicting deduced return type for imported declaration
dr.xiaosa at gmail dot com via Gcc-bugs
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[Bug demangler/124295] cp-demangle doesn't support symbols from Android NDK
info at vmpsoft dot com via Gcc-bugs
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[Bug c++/101603] [meta-bug] pointer to member functions issues
ppalka at gcc dot gnu.org via Gcc-bugs
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[Bug target/125114] New: [17 Regression] 20% slowdown of cactusADM on Zen2 since r17-111-g27b2a84e580ac1
jmelcr at gcc dot gnu.org via Gcc-bugs
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[Bug fortran/125113] New: [coarray] Segfault accessing remote image; regression from 13.3
neil.n.carlson at gmail dot com via Gcc-bugs
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[Bug libstdc++/125112] New: Missing freestanding header: bits/binders.h
felix.morgner at gmail dot com via Gcc-bugs
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[Bug target/59968] Unused BT patterns
b.buschinski at googlemail dot com via Gcc-bugs
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[Bug libstdc++/123165] Optimize chrono::__detail::__get_leap_second_info
redi at gcc dot gnu.org via Gcc-bugs
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[Bug libstdc++/119794] [C++26] P2075R6 Philox Engine
redi at gcc dot gnu.org via Gcc-bugs
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[Bug libstdc++/120029] Dangling iterator usage in std::filesystem::path::operator+=(const std::filesystem::path &p) when this == p
redi at gcc dot gnu.org via Gcc-bugs
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[Bug libstdc++/118665] std::uniform_int_distribution infinite loop with generator returning 0
redi at gcc dot gnu.org via Gcc-bugs
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[Bug libstdc++/118260] Automatically add some 'skip's from gdb helper code
redi at gcc dot gnu.org via Gcc-bugs
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[Bug c++/125111] New: [reflection] "internal compiler error: error reporting routines re-entered" when calling`std::meta::extract` with reference to function
ensadc at mailnesia dot com via Gcc-bugs
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[Bug middle-end/125110] New: miniBUDE NVIDIA GPU OpenMP offloading performance vs. 'omp_max_simt_vf'
tschwinge at gcc dot gnu.org via Gcc-bugs
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[Bug middle-end/125109] New: AMD GPU offloading performance pessimized if also compiling for NVIDIA GPU offloading
tschwinge at gcc dot gnu.org via Gcc-bugs
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[Bug target/124133] [14/15 Regression] ICE in decompose, at wide-int.h:1049 on powerpc64le-linux-gnu since r14-4793
jakub at gcc dot gnu.org via Gcc-bugs
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[Bug target/120763] [meta-bug] Tracker for bugs to visit during weekly RISC-V meeting
jakub at gcc dot gnu.org via Gcc-bugs
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[Bug c++/125108] New: [reflection] template_arguments_of gives underlying entity of alias template
jolly.j.chen at gmail dot com via Gcc-bugs
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[Bug target/125107] New: [17 Regression] 6-7% slowdown of milc on Zen2 since r17-142-g91cc9b3402bb33
jmelcr at gcc dot gnu.org via Gcc-bugs
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[Bug target/125106] New: [17 Regression] 5% slowdown of milc on Zen2 with PGO since r17-140-gf8d911e6ae3fc1
jmelcr at gcc dot gnu.org via Gcc-bugs
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[Bug middle-end/125105] New: -fno-signed-zeros and -ffinite-math-only generates sqrt() function call
manu at gcc dot gnu.org via Gcc-bugs
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[Bug target/120375] [14/15 Regression] arc: -mcpu=em x >> 31 clobber of CC isn't respected
michiel at derhaeg dot be via Gcc-bugs
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[Bug cobol/124626] [16/17 Regression] Cobol build fails on *-*-darwin*
rguenth at gcc dot gnu.org via Gcc-bugs
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[Bug target/124619] [16/17 Regression] FAIL/XPASS: g++.dg/warn/Wstringop-overflow-3.C test for warnings
rguenth at gcc dot gnu.org via Gcc-bugs
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[Bug rust/124013] [16/17 regression] -Wodr issues in Rust
rguenth at gcc dot gnu.org via Gcc-bugs
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[Bug fortran/123938] [16 Regression] Memory leak on assignment
rguenth at gcc dot gnu.org via Gcc-bugs
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[Bug target/123713] [16/17 Regression] ICE in composite_type_cond with ms_abi and old style function declaration
rguenth at gcc dot gnu.org via Gcc-bugs
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[Bug ipa/123459] [16/17 Regression] speculative devirtualization and always_inline doesn't play nice together
rguenth at gcc dot gnu.org via Gcc-bugs
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[Bug tree-optimization/123199] [15/16/17 regression] gcc.dg/vect/vect-86.c FAILs
rguenth at gcc dot gnu.org via Gcc-bugs
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[Bug tree-optimization/123196] [16/17 regression] gcc.dg/vect/vect-105.c FAILs
rguenth at gcc dot gnu.org via Gcc-bugs
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[Bug middle-end/123159] [16/17 Regression] building insn-extract.cc from an aarch64-linux-gnu cross compiler fails on x86_64-linux-gnux32 with out of memory
rguenth at gcc dot gnu.org via Gcc-bugs
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[Bug tree-optimization/123070] [16/17 Regression] pr90178.c -m32 starts to fail since r16-5975 (make_forwarders_with_degenerate_phis )
rguenth at gcc dot gnu.org via Gcc-bugs
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[Bug tree-optimization/123051] [16/17 Regression] 25-30% slowdown of 470.lbm on Zen5 since r16-5902-g1da0e5c1405e87
rguenth at gcc dot gnu.org via Gcc-bugs
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[Bug tree-optimization/124609] [16/17 Regression] 5-8% slowdown of mcf on x86 since r16-8128-g5f1024922d3f67 with PGO
rguenth at gcc dot gnu.org via Gcc-bugs
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[Bug tree-optimization/122660] [16/17 Regression] uninit predicated analysis not strong enough (derived from uninit-pred-7_a.c)
rguenth at gcc dot gnu.org via Gcc-bugs
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[Bug testsuite/124329] [16/17 regression] c-c++-common/analyzer/flex-without-call-summaries.c XPASSes
rguenth at gcc dot gnu.org via Gcc-bugs
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[Bug libstdc++/110339] Implement C++26 library features
tkaminsk at gcc dot gnu.org via Gcc-bugs
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[Bug tree-optimization/122585] [16/17 Regression] 4-5% slowdown of 433.milc on AMD zen4 since r16-4469-gd6986e06db5eeb
rguenth at gcc dot gnu.org via Gcc-bugs
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[Bug target/124127] [16/17 Regression] 9% slowdown of 503.bwaves_r on Zen3 since r16-1644-gaba3b9d3a48a07
rguenth at gcc dot gnu.org via Gcc-bugs
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[Bug libstdc++/122557] [16/17 regression] FAIL: 29_atomics/atomic_ref/op_support.cc & requirements.cc on power32 starting with - r16-4349-g90dde804626f13
rguenth at gcc dot gnu.org via Gcc-bugs
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[Bug target/123524] [16/17 Regression] 6% performance regression in gcc-16 compared to gcc-15 when compiling an interpreter
rguenth at gcc dot gnu.org via Gcc-bugs
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[Bug cobol/122466] [16/17 regression] Cobol-enabled bootstrap fails for Darwin after addition of the posix support to libgcobol
rguenth at gcc dot gnu.org via Gcc-bugs
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[Bug libstdc++/124799] [16/17 regression] tr1/8_c_compatibility/complex/overloads_int.cc FAILs
rguenth at gcc dot gnu.org via Gcc-bugs
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[Bug tree-optimization/124408] [16/17 Regression] 4% slowdown of exchange2_r on Intel Ice Lake
rguenth at gcc dot gnu.org via Gcc-bugs
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[Bug target/123327] [16/17 Regression] 4% slowdown of perlbench on Zen5 since r16-6232-gb2b5ccb0a2450a
rguenth at gcc dot gnu.org via Gcc-bugs
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[Bug c++/122268] [16/17 Regression][OpenMP][offload:gcn/nvptx lto1] ICE (during RTL pass: expand) in assign_temp, at function.cc:990 for libgomp.c++/target-flex-101.C (c++/16.0.0/flat_map:185:1) since r16-4212-gf256a13f8aed83
rguenth at gcc dot gnu.org via Gcc-bugs
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[Bug tree-optimization/124142] [14/15 Regression] Bad early-break vectorization of loop with integer modulo
rguenth at gcc dot gnu.org via Gcc-bugs
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[Bug c++/124745] [16/17 Regression]ICE in decl_mismatch_context on mismatched constrained friend declaration
rguenth at gcc dot gnu.org via Gcc-bugs
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[Bug gcov-profile/123126] [16/17 Regression] 6-10% slowdown of xalancbmk_r on Zen{4,5} since r16-6104-gb5c64db0a49d46 with PGO
rguenth at gcc dot gnu.org via Gcc-bugs
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[Bug analyzer/123770] [16/17 Regression] Memory bloat seen when running -fanalyzer integration tests
rguenth at gcc dot gnu.org via Gcc-bugs
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[Bug rtl-optimization/123754] [16/17 Regression] ICE: in store_integral_bit_field, at expmed.cc:1069 with -O2 -favoid-store-forwarding -mbig-endian
rguenth at gcc dot gnu.org via Gcc-bugs
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[Bug target/121447] [16/17 Regression] ~20% slowdown of 470.lbm since r16-1644-gaba3b9d3a48a07 on AMD Zen5
rguenth at gcc dot gnu.org via Gcc-bugs
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[Bug target/123047] [16/17 Regression] 17% slowdown of 436.cactusADM on Aarch64 with PGO
rguenth at gcc dot gnu.org via Gcc-bugs
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[Bug c++/123536] [16/17 Regression] ICE in mark_use with lambda reference to a global without captures inside a template
rguenth at gcc dot gnu.org via Gcc-bugs
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[Bug tree-optimization/121037] [16/17 Regression] 4-6% slowdown of 482.sphinx3 since r16-2088-ge9079e4f43d135
rguenth at gcc dot gnu.org via Gcc-bugs
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[Bug target/124318] [16/17 Regression] nvptx vs. "ipa-devirt: Add speculative direct calls based on stores to structures"
rguenth at gcc dot gnu.org via Gcc-bugs
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[Bug libstdc++/122913] [16/17 Regression] pr12392.cpp -Ofast compile time went up 15% due to switching to -std=gnu++20 by default
rguenth at gcc dot gnu.org via Gcc-bugs
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[Bug tree-optimization/123239] [16/17 Regression] 4% slowdown of imagick_r on Aarch64 with PGO
rguenth at gcc dot gnu.org via Gcc-bugs
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[Bug tree-optimization/120996] [16/17 regression][AArch64] 15% regression in microBUDE since r16-1108-gb7960a3f966a0f
rguenth at gcc dot gnu.org via Gcc-bugs
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[Bug tree-optimization/124113] [16/17 Regression] 6% slowdown of sphinx3 on Zen5 since r16-7359-gae04c1afd1526a
rguenth at gcc dot gnu.org via Gcc-bugs