Regressions on trunk at revision 190131 vs revision 190126

[H.J. Lu ia32]

New failures:
FAIL: 23_containers/map/element_access/2.cc (test for excess errors)
FAIL: gfortran.dg/array_5.f90  -O  (test for excess errors)
FAIL: gfortran.dg/g77_intrinsics_funcs.f  -O  (test for excess errors)

New passes:
FAIL: gfortran.dg/fmt_g0_1.f08  -O1  (test for excess errors)
FAIL: gfortran.dg/selected_real_kind_2.f90  -O3 -fomit-frame-pointer -funroll-loops  (test for excess errors)