On Linux/x86_64,

fdeceba59bee60040fd58203b6fe0239d789eade is the first bad commit
commit fdeceba59bee60040fd58203b6fe0239d789eade
Author: Sandra Loosemore <sloosem...@baylibre.com>
Date:   Wed Jan 8 01:55:47 2025 +0000

    OpenMP: Shared metadirective/dynamic selector tests for C and C++

caused

FAIL: c-c++-common/gomp/metadirective-device.c scan-tree-dump-not optimized 
"__builtin_GOMP_error"
FAIL: c-c++-common/gomp/metadirective-device.c  -std=c++17  scan-tree-dump-not 
optimized "__builtin_GOMP_error"
FAIL: c-c++-common/gomp/metadirective-device.c  -std=c++26  scan-tree-dump-not 
optimized "__builtin_GOMP_error"
FAIL: c-c++-common/gomp/metadirective-device.c  -std=c++98  scan-tree-dump-not 
optimized "__builtin_GOMP_error"
FAIL: c-c++-common/gomp/metadirective-target-device-1.c scan-tree-dump-times 
optimized "GOMP_error" 0
FAIL: c-c++-common/gomp/metadirective-target-device-1.c  -std=c++17  
scan-tree-dump-times optimized "GOMP_error" 0
FAIL: c-c++-common/gomp/metadirective-target-device-1.c  -std=c++26  
scan-tree-dump-times optimized "GOMP_error" 0
FAIL: c-c++-common/gomp/metadirective-target-device-1.c  -std=c++98  
scan-tree-dump-times optimized "GOMP_error" 0

with GCC configured with

../../gcc/configure 
--prefix=/export/users/haochenj/src/gcc-bisect/master/master/r15-6963/usr 
--enable-clocale=gnu --with-system-zlib --with-demangler-in-ld 
--with-fpmath=sse --enable-languages=c,c++,fortran --enable-cet --without-isl 
--enable-libmpx x86_64-linux --disable-bootstrap

To reproduce:

$ cd {build_dir}/gcc && make check 
RUNTESTFLAGS="gomp.exp=c-c++-common/gomp/metadirective-device.c 
--target_board='unix{-m32}'"
$ cd {build_dir}/gcc && make check 
RUNTESTFLAGS="gomp.exp=c-c++-common/gomp/metadirective-device.c 
--target_board='unix{-m32\ -march=cascadelake}'"
$ cd {build_dir}/gcc && make check 
RUNTESTFLAGS="gomp.exp=c-c++-common/gomp/metadirective-target-device-1.c 
--target_board='unix{-m32}'"
$ cd {build_dir}/gcc && make check 
RUNTESTFLAGS="gomp.exp=c-c++-common/gomp/metadirective-target-device-1.c 
--target_board='unix{-m32\ -march=cascadelake}'"

(Please do not reply to this email, for question about this report, contact me 
at haochen dot jiang at intel.com.)
(If you met problems with cascadelake related, disabling AVX512F in command 
line might save that.)
(However, please make sure that there is no potential problems with AVX512.)

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