Regressions on trunk at revision 154009 vs revision 154007

[H.J. Lu]

New failures:
FAIL: gfortran.dg/g77/6177.f  -O3 -fomit-frame-pointer -funroll-all-loops -finline-functions  (test for excess errors)

New passes:
FAIL: gcc.c-torture/execute/20050826-1.c compilation,  -O3 -fomit-frame-pointer 
FAIL: gcc.c-torture/execute/920409-1.c compilation,  -O3 -g 
FAIL: gfortran.dg/real_const_2.f90  -O3 -fomit-frame-pointer  (test for excess errors)
FAIL: gfortran.dg/scalar_mask_1.f90  -O0  (test for excess errors)