[r12-7710 Regression] FAIL: g++.dg/cpp0x/variadic-alias3.C -std=c++17 (test for excess errors) on Linux/x86_64

[sunil.k.pandey]

On Linux/x86_64,

c7a6a32739d62deab03266e2b5449fce261b1ecb is the first bad commit
commit c7a6a32739d62deab03266e2b5449fce261b1ecb
Author: Marek Polacek <polacek@redhat.com>
Date:   Wed Mar 16 09:34:34 2022 -0400

    c++: alias template and empty parameter packs [PR104008]

caused

FAIL: g++.dg/cpp0x/variadic-alias3.C  -std=c++17 (internal compiler error: in hashtab_chk_error, at hash-table.cc:137)
FAIL: g++.dg/cpp0x/variadic-alias3.C  -std=c++17 (test for excess errors)

with GCC configured with

../../gcc/configure --prefix=/local/skpandey/gccwork/toolwork/gcc-bisect-master/master/r12-7710/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/cpp0x/variadic-alias3.C --target_board='unix{-m64}'"

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