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From: "haochen.jiang" <haochenj@ecsmtp.sh.intel.com>
To: luolongjuna@gmail.com, gcc-regression@gcc.gnu.org,
	gcc-patches@gcc.gnu.org, haochen.jiang@intel.com
Subject: [r14-358 Regression] FAIL: gcc.dg/cpp/undef2.c  (test for warnings, line 9) on Linux/x86_64
Date: Tue, 02 May 2023 22:07:48 +0800	[thread overview]
Message-ID: <202305021407.342E7mTa2104006@shliclel4214.sh.intel.com> (raw)

On Linux/x86_64,

e7ce7c4905fd254760b1cd187752a03bc0c148ba is the first bad commit
commit e7ce7c4905fd254760b1cd187752a03bc0c148ba
Author: Longjun Luo <luolongjuna@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)

                 reply	other threads:[~2023-05-02 14:10 UTC|newest]

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