Regressions on trunk at revision 178380 vs revision 178345

[H.J. Lu ia32]

New failures:
FAIL: gcc.c-torture/execute/20010209-1.c compilation,  -O2 -flto  (internal compiler error)
FAIL: gcc.c-torture/execute/20010209-1.c compilation,  -O2 -flto -flto-partition=none  (internal compiler error)
FAIL: gfortran.dg/actual_array_constructor_1.f90  -O1  (internal compiler error)
FAIL: gfortran.dg/actual_array_constructor_1.f90  -O1  (test for excess errors)
FAIL: gfortran.dg/actual_array_constructor_1.f90  -O2  (internal compiler error)
FAIL: gfortran.dg/actual_array_constructor_1.f90  -O2  (test for excess errors)
FAIL: gfortran.dg/actual_array_constructor_1.f90  -O3 -fomit-frame-pointer  (internal compiler error)
FAIL: gfortran.dg/actual_array_constructor_1.f90  -O3 -fomit-frame-pointer  (test for excess errors)
FAIL: gfortran.dg/actual_array_constructor_1.f90  -O3 -fomit-frame-pointer -funroll-all-loops -finline-functions  (internal compiler error)
FAIL: gfortran.dg/actual_array_constructor_1.f90  -O3 -fomit-frame-pointer -funroll-all-loops -finline-functions  (test for excess errors)
FAIL: gfortran.dg/actual_array_constructor_1.f90  -O3 -fomit-frame-pointer -funroll-loops  (internal compiler error)
FAIL: gfortran.dg/actual_array_constructor_1.f90  -O3 -fomit-frame-pointer -funroll-loops  (test for excess errors)
FAIL: gfortran.dg/actual_array_constructor_1.f90  -O3 -g  (internal compiler error)
FAIL: gfortran.dg/actual_array_constructor_1.f90  -O3 -g  (test for excess errors)

New passes: