Regressions on trunk at revision 190116 vs revision 190114

[H.J. Lu ia32]

New failures:
FAIL: gfortran.dg/pointer_check_1.f90  -O1  (test for excess errors)

New passes:
FAIL: gfortran.dg/sibling_dummy_procedure_3.f90  -O  (test for excess errors)
FAIL: gfortran.dg/simpleif_1.f90  -O1  (test for excess errors)
FAIL: gfortran.dg/structure_constructor_5.f03  -O3 -fomit-frame-pointer -funroll-all-loops -finline-functions  (test for excess errors)