Regressions on trunk at revision 189836 vs revision 189826

[H.J. Lu Intel64 Core 2/i7]

New failures:
FAIL: gcc.dg/pr45352-1.c (internal compiler error)
FAIL: gcc.dg/pr45352-1.c (internal compiler error)
FAIL: gcc.dg/pr45352-1.c (test for excess errors)
FAIL: gcc.dg/pr45352-1.c (test for excess errors)
FAIL: gcc.target/i386/pr45352-1.c (internal compiler error)
FAIL: gcc.target/i386/pr45352-1.c (test for excess errors)

New passes:
FAIL: gcc.dg/pr46521.c (internal compiler error)
FAIL: gcc.dg/pr46521.c (test for excess errors)
FAIL: gfortran.dg/pr42294.f  -O  (internal compiler error)
FAIL: gfortran.dg/pr42294.f  -O  (test for excess errors)