Regressions on master at commit r13-2654 vs commit r13-2635 on Linux/i686

[H.J. Lu]

New failures:
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)
FAIL: g++.dg/modules/xtreme-header-2_c.C -std=c++2b (test for excess errors)

New passes: