[r12-5201 Regression] FAIL: g++.dg/pr98499.C -std=gnu++98 execution test on Linux/x86_64

[sunil.k.pandey via Gcc-patches]

On Linux/x86_64,

4526ec20f17a6182f754da9460d9d944dd123cc0 is the first bad commit
commit 4526ec20f17a6182f754da9460d9d944dd123cc0
Author: Jan Hubicka <j...@suse.cz>
Date:   Fri Nov 12 16:34:03 2021 +0100

    Fix ICE in tree-ssa-structalias.c

caused

FAIL: g++.dg/pr98499.C  -std=gnu++14 execution test
FAIL: g++.dg/pr98499.C  -std=gnu++17 execution test
FAIL: g++.dg/pr98499.C  -std=gnu++2a execution test
FAIL: g++.dg/pr98499.C  -std=gnu++98 execution test

with GCC configured with

../../gcc/configure 
--prefix=/local/skpandey/gccwork/toolwork/gcc-bisect-master/master/r12-5201/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/pr98499.C 
--target_board='unix{-m32}'"
$ cd {build_dir}/gcc && make check RUNTESTFLAGS="dg.exp=g++.dg/pr98499.C 
--target_board='unix{-m32\ -march=cascadelake}'"
$ cd {build_dir}/gcc && make check RUNTESTFLAGS="dg.exp=g++.dg/pr98499.C 
--target_board='unix{-m64}'"
$ cd {build_dir}/gcc && make check RUNTESTFLAGS="dg.exp=g++.dg/pr98499.C 
--target_board='unix{-m64\ -march=cascadelake}'"

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