On Linux/x86_64,
9e3309773855d3639fdb9a7a7f7176612f16cd28 is the first bad commit
commit 9e3309773855d3639fdb9a7a7f7176612f16cd28
Author: Jonathan Wakely <jwak...@redhat.com>
Date: Thu Jun 5 12:05:19 2025 +0100
libstdc++: Add std::inplace_vector for C++26 (P0843R14) [PR119137]
caused
FAIL: g++.dg/concepts/expression.C -std=gnu++17 (test for excess errors)
with GCC configured with
../../gcc/configure
--prefix=/export/users3/haochenj/src/gcc-bisect/master/master/r16-2334/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=g++.dg/concepts/expression.C --target_board='unix{-m32}'"
$ cd {build_dir}/gcc && make check
RUNTESTFLAGS="dg.exp=g++.dg/concepts/expression.C --target_board='unix{-m32\
-march=cascadelake}'"
$ cd {build_dir}/gcc && make check
RUNTESTFLAGS="dg.exp=g++.dg/concepts/expression.C --target_board='unix{-m64}'"
$ cd {build_dir}/gcc && make check
RUNTESTFLAGS="dg.exp=g++.dg/concepts/expression.C --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.)
(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.)
