On Linux/x86_64,
2c1949bf152f8fcadb0ef7a44113c41d18724691 is the first bad commit
commit 2c1949bf152f8fcadb0ef7a44113c41d18724691
Author: Yuao Ma <[email protected]>
Date: Thu Oct 16 22:32:52 2025 +0800
fortran: allow character in conditional expression
caused
FAIL: gfortran.dg/coarray_atomic_5.f90 -O scan-tree-dump-times original
"_gfortran_caf_atomic_define \\(caf_token.., 0, 1, &value.., 0B, 1, 4\\);" 1
FAIL: gfortran.dg/coarray_atomic_5.f90 -O scan-tree-dump-times original
"value.. = 0;" 1
with GCC configured with
../../gcc/configure
--prefix=/export/users3/haochenj/src/gcc-bisect/master/master/r16-4474/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="dg.exp=gfortran.dg/coarray_atomic_5.f90
--target_board='unix{-m32}'"
$ cd {build_dir}/gcc && make check
RUNTESTFLAGS="dg.exp=gfortran.dg/coarray_atomic_5.f90
--target_board='unix{-m32\ -march=cascadelake}'"
$ cd {build_dir}/gcc && make check
RUNTESTFLAGS="dg.exp=gfortran.dg/coarray_atomic_5.f90
--target_board='unix{-m64}'"
$ cd {build_dir}/gcc && make check
RUNTESTFLAGS="dg.exp=gfortran.dg/coarray_atomic_5.f90
--target_board='unix{-m64\ -march=cascadelake}'"
(Please directly reply to this email for question about this report.)
(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.)
