Regressions on trunk at revision 231094 vs revision 231070

[H.J. Lu ia32 Core i7]

New failures:
FAIL: gcc.dg/lto/alias-1 c_lto_alias-1_0.o-c_lto_alias-1_1.o execute  -O2 -flto 
FAIL: gfortran.dg/bessel_6.f90   -O0  execution test
FAIL: gfortran.dg/bessel_6.f90   -O1  execution test
FAIL: gfortran.dg/bessel_6.f90   -O2  execution test
FAIL: gfortran.dg/bessel_6.f90   -O3 -fomit-frame-pointer -funroll-loops -fpeel-loops -ftracer -finline-functions  execution test
FAIL: gfortran.dg/bessel_6.f90   -O3 -g  execution test
FAIL: gfortran.dg/bessel_6.f90   -Os  execution test
FAIL: gfortran.dg/submodule_10.f08   -O  (internal compiler error)
FAIL: gfortran.dg/submodule_10.f08   -O  (test for excess errors)
FAIL: gfortran.dg/submodule_11.f08   -O0  (internal compiler error)
FAIL: gfortran.dg/submodule_11.f08   -O0  (test for excess errors)
FAIL: gfortran.dg/submodule_11.f08   -O1  (internal compiler error)
FAIL: gfortran.dg/submodule_11.f08   -O1  (test for excess errors)
FAIL: gfortran.dg/submodule_11.f08   -O2  (internal compiler error)
FAIL: gfortran.dg/submodule_11.f08   -O2  (test for excess errors)
FAIL: gfortran.dg/submodule_11.f08   -O3 -fomit-frame-pointer -funroll-loops -fpeel-loops -ftracer -finline-functions  (internal compiler error)
FAIL: gfortran.dg/submodule_11.f08   -O3 -fomit-frame-pointer -funroll-loops -fpeel-loops -ftracer -finline-functions  (test for excess errors)
FAIL: gfortran.dg/submodule_11.f08   -O3 -g  (internal compiler error)
FAIL: gfortran.dg/submodule_11.f08   -O3 -g  (test for excess errors)
FAIL: gfortran.dg/submodule_11.f08   -Os  (internal compiler error)
FAIL: gfortran.dg/submodule_11.f08   -Os  (test for excess errors)
FAIL: gfortran.dg/submodule_13.f08   -O  (internal compiler error)
FAIL: gfortran.dg/submodule_13.f08   -O   (test for errors, line 29)
FAIL: gfortran.dg/submodule_13.f08   -O  (test for excess errors)

New passes: