[r11-4072 Regression] FAIL: gcc.dg/cpp/endif.c (test for excess errors) on Linux/x86_64

[sunil.k.pandey]

On Linux/x86_64,

5abe05b4331250b6a7798ce87c0a82adc2bd70f3 is the first bad commit
commit 5abe05b4331250b6a7798ce87c0a82adc2bd70f3
Author: Nathan Sidwell <nathan@acm.org>
Date:   Mon Oct 19 07:57:50 2020 -0700

    preprocessor: Fix non-fn fn-like macro at EOF [PR97471]

caused

FAIL: gcc.dg/cpp/endif.c (test for excess errors)

with GCC configured with

Configured with: ../../gcc/configure --prefix=/local/skpandey/gccwork/toolwork/gcc-bisect-master/master/r11-4072/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=gcc.dg/cpp/endif.c --target_board='unix{-m32}'"
$ cd {build_dir}/gcc && make check RUNTESTFLAGS="cpp.exp=gcc.dg/cpp/endif.c --target_board='unix{-m32\ -march=cascadelake}'"
$ cd {build_dir}/gcc && make check RUNTESTFLAGS="cpp.exp=gcc.dg/cpp/endif.c --target_board='unix{-m64}'"
$ cd {build_dir}/gcc && make check RUNTESTFLAGS="cpp.exp=gcc.dg/cpp/endif.c --target_board='unix{-m64\ -march=cascadelake}'"

(Please do not reply to this email, for question about this report, contact me at skpgkp2 at gmail dot com)