[r13-2650 Regression] FAIL: g++.dg/modules/xtreme-header-2_a.H -std=c++2b (test for excess errors) on Linux/x86_64

[r13-2650 Regression] FAIL: g++.dg/modules/xtreme-header-2_a.H -std=c++2b (test for excess errors) on Linux/x86_64

[haochen.jiang]

On Linux/x86_64,

5d84a4418aa962a715dc74998fea2a7de9d4042c is the first bad commit
commit 5d84a4418aa962a715dc74998fea2a7de9d4042c
Author: Patrick Palka <ppalka@redhat.com>
Date:   Tue Sep 13 11:18:14 2022 -0400

    libstdc++: Implement ranges::chunk_view from P2442R1

caused

FAIL: g++.dg/modules/xtreme-header-2_a.H module-cmi  (gcm.cache/$srcdir/g++.dg/modules/xtreme-header-2_a.H.gcm)
FAIL: g++.dg/modules/xtreme-header-2_a.H -std=c++2b (internal compiler error: tree check: expected record_type or union_type or qual_union_type, have typename_type in friend_from_decl_list, at cp/module.cc:4737)
FAIL: g++.dg/modules/xtreme-header-2_a.H -std=c++2b (test for excess errors)

with GCC configured with

../../gcc/configure --prefix=/export/users/haochenj/src/gcc-bisect/master/master/r13-2650/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="modules.exp=g++.dg/modules/xtreme-header-2_a.H --target_board='unix{-m32}'"
$ cd {build_dir}/gcc && make check RUNTESTFLAGS="modules.exp=g++.dg/modules/xtreme-header-2_a.H --target_board='unix{-m32\ -march=cascadelake}'"
$ cd {build_dir}/gcc && make check RUNTESTFLAGS="modules.exp=g++.dg/modules/xtreme-header-2_a.H --target_board='unix{-m64}'"
$ cd {build_dir}/gcc && make check RUNTESTFLAGS="modules.exp=g++.dg/modules/xtreme-header-2_a.H --target_board='unix{-m64\ -march=cascadelake}'"

(Please do not reply to this email, for question about this report, contact me at haochen dot jiang at intel.com)