Regressions on trunk at revision 189815 vs revision 189808

[H.J. Lu Intel64]

New failures:
FAIL: gcc.dg/pr46522.c (internal compiler error)
FAIL: gcc.dg/pr46522.c (test for excess errors)
FAIL: gcc.target/i386/pr45352-2.c (internal compiler error)
FAIL: gcc.target/i386/pr45352-2.c (internal compiler error)
FAIL: gcc.target/i386/pr45352-2.c (test for excess errors)
FAIL: gcc.target/i386/pr45352-2.c (test for excess errors)

New passes:
FAIL: gcc.target/i386/pr45352-1.c (internal compiler error)
FAIL: gcc.target/i386/pr45352-1.c (test for excess errors)
FAIL: gfortran.dg/pr44691.f  -O  (internal compiler error)
FAIL: gfortran.dg/pr44691.f  -O  (test for excess errors)