On Linux/x86_64,
2fa122cae50cd87c1262c4ec18a783ee9bbbdaaa is the first bad commit
commit 2fa122cae50cd87c1262c4ec18a783ee9bbbdaaa
Author: Jason Merrill <ja...@redhat.com>
Date: Thu Dec 21 16:16:37 2023 -0500
testsuite: suppress mangling compatibility aliases
caused
FAIL: g++.dg/abi/mangle-regparm1a.C -std=gnu++14 (test for warnings, line 6)
FAIL: g++.dg/abi/mangle-regparm1a.C -std=gnu++17 (test for warnings, line 6)
FAIL: g++.dg/abi/mangle-regparm1a.C -std=gnu++20 (test for warnings, line 6)
FAIL: g++.dg/abi/mangle-regparm1a.C -std=gnu++98 (test for warnings, line 6)
with GCC configured with
../../gcc/configure
--prefix=/export/users/haochenj/src/gcc-bisect/master/master/r14-6796/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/abi/mangle-regparm1a.C --target_board='unix{-m32}'"
$ cd {build_dir}/gcc && make check
RUNTESTFLAGS="dg.exp=g++.dg/abi/mangle-regparm1a.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.)
