On Linux/x86_64,
e7ce7c4905fd254760b1cd187752a03bc0c148ba is the first bad commit
commit e7ce7c4905fd254760b1cd187752a03bc0c148ba
Author: Longjun Luo <luolongj...@gmail.com>
Date: Sun Apr 30 12:28:06 2023 -0600
[PATCH] libcpp: suppress builtin macro redefined warnings for __LINE__
caused
FAIL: c-c++-common/cpp/pr92296-2.c -Wc++-compat (test for warnings, line 41)
FAIL: gcc.dg/cpp/undef2.c (test for excess errors)
FAIL: gcc.dg/cpp/undef2.c (test for warnings, line 9)
with GCC configured with
../../gcc/configure
--prefix=/export/users/haochenj/src/gcc-bisect/master/master/r14-358/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="cpp.exp=c-c++-common/cpp/pr92296-2.c --target_board='unix{-m32}'"
$ cd {build_dir}/gcc && make check
RUNTESTFLAGS="cpp.exp=c-c++-common/cpp/pr92296-2.c --target_board='unix{-m32\
-march=cascadelake}'"
$ cd {build_dir}/gcc && make check
RUNTESTFLAGS="cpp.exp=c-c++-common/cpp/pr92296-2.c --target_board='unix{-m64}'"
$ cd {build_dir}/gcc && make check
RUNTESTFLAGS="cpp.exp=c-c++-common/cpp/pr92296-2.c --target_board='unix{-m64\
-march=cascadelake}'"
$ cd {build_dir}/gcc && make check RUNTESTFLAGS="cpp.exp=gcc.dg/cpp/undef2.c
--target_board='unix{-m32}'"
$ cd {build_dir}/gcc && make check RUNTESTFLAGS="cpp.exp=gcc.dg/cpp/undef2.c
--target_board='unix{-m32\ -march=cascadelake}'"
$ cd {build_dir}/gcc && make check RUNTESTFLAGS="cpp.exp=gcc.dg/cpp/undef2.c
--target_board='unix{-m64}'"
$ cd {build_dir}/gcc && make check RUNTESTFLAGS="cpp.exp=gcc.dg/cpp/undef2.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)
