[r13-3360 Regression] FAIL: gcc.dg/c2x-enum-1.c (test for excess errors) on Linux/x86_64

[haochen.jiang]

On Linux/x86_64,

3b3083a598ca3f4b6203284e01ed39ab6ff0844f is the first bad commit
commit 3b3083a598ca3f4b6203284e01ed39ab6ff0844f
Author: Joseph Myers <joseph@codesourcery.com>
Date:   Tue Oct 18 14:07:27 2022 +0000

    c: C2x enums wider than int [PR36113]

caused

FAIL: gcc.dg/c2x-enum-1.c (test for excess errors)

with GCC configured with

../../gcc/configure --prefix=/export/users/haochenj/src/gcc-bisect/master/master/r13-3360/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=gcc.dg/c2x-enum-1.c --target_board='unix{-m32}'"
$ cd {build_dir}/gcc && make check RUNTESTFLAGS="dg.exp=gcc.dg/c2x-enum-1.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)