Regressions on trunk at revision 190080 vs revision 190063

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

New failures:
FAIL: gcc.dg/pr52558-1.c scan-tree-dump-times lim1 "MEM count_lsm.. count_lsm_flag" 1
FAIL: gcc.dg/pr52558-1.c scan-tree-dump-times lim1 "MEM count_lsm.. count_lsm_flag" 1
FAIL: gcc.dg/pr52558-2.c scan-tree-dump-times lim1 "MEM.*g_2_lsm_flag" 1
FAIL: gcc.dg/pr52558-2.c scan-tree-dump-times lim1 "MEM.*g_2_lsm_flag" 1
FAIL: gcc.dg/tm/reg-promotion.c scan-tree-dump-times lim1 "MEM count_lsm.. count_lsm_flag" 1
FAIL: gcc.dg/tm/reg-promotion.c scan-tree-dump-times lim1 "MEM count_lsm.. count_lsm_flag" 1
FAIL: gfortran.dg/bind_c_dts.f90  -Os  (test for excess errors)
FAIL: gfortran.dg/fmt_tl.f  -O3 -fomit-frame-pointer -funroll-all-loops -finline-functions  (test for excess errors)
FAIL: gfortran.dg/implied_shape_1.f08  -O3 -fomit-frame-pointer -funroll-loops  (test for excess errors)
FAIL: gfortran.dg/interface_7.f90  -O  (test for excess errors)
FAIL: gfortran.dg/maxloc_bounds_2.f90  -O3 -fomit-frame-pointer -funroll-all-loops -finline-functions  (test for excess errors)
FAIL: gfortran.dg/pr47008.f03  -O3 -fomit-frame-pointer -funroll-loops  (test for excess errors)
FAIL: gfortran.dg/proc_ptr_comp_35.f90  -O  (test for excess errors)
FAIL: gfortran.dg/proc_ptr_comp_35.f90  -O  (test for excess errors)
FAIL: gfortran.dg/pure_byref_3.f90  -Os  (test for excess errors)
FAIL: gfortran.dg/read_float_4.f90  -O3 -fomit-frame-pointer -funroll-loops  (test for excess errors)
FAIL: gfortran.dg/typebound_operator_7.f03  -O2  (test for excess errors)
FAIL: gfortran.dg/typebound_proc_26.f90  -O  (test for excess errors)
FAIL: gfortran.dg/typebound_proc_26.f90  -O  (test for excess errors)

New passes:
FAIL: gfortran.dg/class_1.f03  -O0  (test for excess errors)
FAIL: gfortran.dg/class_allocate_11.f03  -O3 -g  (test for excess errors)
FAIL: gfortran.dg/cshift_nan_1.f90  -O0  (test for excess errors)
FAIL: gfortran.dg/fmt_error_11.f03  -O1  (test for excess errors)
FAIL: gfortran.dg/init_flag_3.f90  -O3 -g  (test for excess errors)
FAIL: gfortran.dg/list_read_10.f90  -Os  (test for excess errors)
FAIL: gfortran.dg/namelist_67.f90  -O3 -g  (test for excess errors)
FAIL: gfortran.dg/nint_1.f90  -O3 -fomit-frame-pointer  (test for excess errors)
FAIL: gfortran.dg/pad_no.f90  -O1  (test for excess errors)
FAIL: gfortran.dg/pr45308.f03  -O2  (test for excess errors)
FAIL: gfortran.dg/proc_ptr_19.f90  -O3 -fomit-frame-pointer -funroll-all-loops -finline-functions  (test for excess errors)
FAIL: gfortran.dg/read_eof_all.f90  -O0  (test for excess errors)
FAIL: gfortran.dg/semicolon_free.f90  -O  (test for excess errors)