[r13-1268 Regression] FAIL: g++.dg/warn/Wstringop-overflow-4.C -std=gnu++98 (test for excess errors) on Linux/x86_64

[skpandey--- via Gcc-patches]

On Linux/x86_64,

8c99e307b20c502e55c425897fb3884ba8f05882 is the first bad commit
commit 8c99e307b20c502e55c425897fb3884ba8f05882
Author: Aldy Hernandez <al...@redhat.com>
Date:   Sat Jun 25 18:58:02 2022 -0400

    Convert DOM to use Ranger rather than EVRP

caused

FAIL: g++.dg/warn/Wstringop-overflow-4.C  -std=gnu++98 (test for excess errors)

with GCC configured with

../../gcc/configure 
--prefix=/local/skpandey/gccwork/toolwork/gcc-bisect-master/master/r13-1268/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/warn/Wstringop-overflow-4.C 
--target_board='unix{-m32}'"
$ cd {build_dir}/gcc && make check 
RUNTESTFLAGS="dg.exp=g++.dg/warn/Wstringop-overflow-4.C 
--target_board='unix{-m32\ -march=cascadelake}'"
$ cd {build_dir}/gcc && make check 
RUNTESTFLAGS="dg.exp=g++.dg/warn/Wstringop-overflow-4.C 
--target_board='unix{-m64}'"
$ cd {build_dir}/gcc && make check 
RUNTESTFLAGS="dg.exp=g++.dg/warn/Wstringop-overflow-4.C 
--target_board='unix{-m64\ -march=cascadelake}'"

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