Regressions on trunk at revision 190126 vs revision 190125

[H.J. Lu ia32 Core 2/i7]

New failures:
FAIL: gfortran.dg/char_length_6.f90  -O1  (test for excess errors)
FAIL: gfortran.dg/class_9.f03  -O3 -fomit-frame-pointer -funroll-loops  (test for excess errors)
FAIL: gfortran.dg/equiv_6.f90  -O3 -g  (test for excess errors)
FAIL: gfortran.dg/reshape_2.f90  -Os  (test for excess errors)

New passes:
FAIL: gfortran.dg/arrayio_9.f90  -O0  (test for excess errors)
FAIL: gfortran.dg/assign_func_dtcomp_1.f90  -O2  (test for excess errors)
FAIL: gfortran.dg/c_sizeof_1.f90  -O3 -g  (test for excess errors)
FAIL: gfortran.dg/dependency_15.f90  -O  (test for excess errors)
FAIL: gfortran.dg/derived_comp_array_ref_2.f90  -O3 -fomit-frame-pointer -funroll-loops  (test for excess errors)
FAIL: gfortran.dg/logical_dot_product.f90  -O3 -fomit-frame-pointer  (test for excess errors)
FAIL: gfortran.dg/namelist_43.f90  -O3 -fomit-frame-pointer -funroll-loops  (test for excess errors)
FAIL: gfortran.dg/proc_ptr_comp_17.f90  -Os  (test for excess errors)
FAIL: gfortran.dg/reshape_order_1.f90  -O3 -fomit-frame-pointer -funroll-all-loops -finline-functions  (test for excess errors)
FAIL: gfortran.dg/subnormal_1.f90  -O0  (test for excess errors)