Regressions on trunk at revision 246068 vs revision 246025

[H.J. Lu Intel64 Core i7]

New failures:
FAIL: gcc.target/i386/pr65044.c  (test for errors, line )
FAIL: gcc.target/i386/pr65044.c  (test for errors, line )
FAIL: gcc.target/i386/pr65044.c (test for excess errors)
FAIL: gcc.target/i386/pr65044.c (test for excess errors)

New passes:
FAIL: g++.dg/cpp1z/class-deduction15.C   (internal compiler error)
FAIL: g++.dg/cpp1z/class-deduction15.C   (test for excess errors)