On Linux/x86_64,

4ede915d5dde935a16df2c6640aee5ab22348d30 is the first bad commit
commit 4ede915d5dde935a16df2c6640aee5ab22348d30
Author: Tobias Burnus <tob...@codesourcery.com>
Date:   Tue Jun 6 16:47:16 2023 +0200

    openmp: Add support for the 'present' modifier

caused

FAIL: gfortran.dg/gomp/target-update-1.f90   -O   scan-tree-dump gimple 
"#pragma omp target update to\\(c \\[len: [0-9]+\\]\\) to\\(present:a \\[len: 
[0-9]+\\]\\) to\\(e \\[len: [0-9]+\\]\\) from\\(present:b \\[len: [0-9]+\\]\\) 
from\\(d \\[len: [0-9]+\\]\\)"

with GCC configured with

../../gcc/configure 
--prefix=/export/users/haochenj/src/gcc-bisect/master/master/r14-1579/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=gfortran.dg/gomp/target-update-1.f90 
--target_board='unix{-m32}'"
$ cd {build_dir}/gcc && make check 
RUNTESTFLAGS="gomp.exp=gfortran.dg/gomp/target-update-1.f90 
--target_board='unix{-m32\ -march=cascadelake}'"
$ cd {build_dir}/gcc && make check 
RUNTESTFLAGS="gomp.exp=gfortran.dg/gomp/target-update-1.f90 
--target_board='unix{-m64}'"
$ cd {build_dir}/gcc && make check 
RUNTESTFLAGS="gomp.exp=gfortran.dg/gomp/target-update-1.f90 
--target_board='unix{-m64\ -march=cascadelake}'"

(Please do not reply to this email, for question about this report, contact me 
at haochen dot jiang at intel.com)

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