Regressions on trunk at revision 231671 vs revision 231645

[H.J. Lu Intel64]

New failures:

New passes:
FAIL: gcc.target/i386/mpx/memmove-1.c   -O3 -fomit-frame-pointer -funroll-loops -fpeel-loops -ftracer -finline-functions  (internal compiler error)
FAIL: gcc.target/i386/mpx/memmove-1.c   -O3 -fomit-frame-pointer -funroll-loops -fpeel-loops -ftracer -finline-functions  (internal compiler error)
FAIL: gcc.target/i386/mpx/memmove-1.c   -O3 -fomit-frame-pointer -funroll-loops -fpeel-loops -ftracer -finline-functions  (test for excess errors)
FAIL: gcc.target/i386/mpx/memmove-1.c   -O3 -fomit-frame-pointer -funroll-loops -fpeel-loops -ftracer -finline-functions  (test for excess errors)
FAIL: gcc.target/i386/mpx/memmove-1.c   -O3 -g  (internal compiler error)
FAIL: gcc.target/i386/mpx/memmove-1.c   -O3 -g  (internal compiler error)
FAIL: gcc.target/i386/mpx/memmove-1.c   -O3 -g  (test for excess errors)
FAIL: gcc.target/i386/mpx/memmove-1.c   -O3 -g  (test for excess errors)
FAIL: gcc.target/i386/mpx/va-arg-pack-2-nov.c   -O3 -g  (internal compiler error)
FAIL: gcc.target/i386/mpx/va-arg-pack-2-nov.c   -O3 -g  (internal compiler error)
FAIL: gcc.target/i386/mpx/va-arg-pack-2-nov.c   -O3 -g  (test for excess errors)
FAIL: gcc.target/i386/mpx/va-arg-pack-2-nov.c   -O3 -g  (test for excess errors)
FAIL: gcc.target/i386/mpx/vararg-8-nov.c   -O3 -g  (internal compiler error)
FAIL: gcc.target/i386/mpx/vararg-8-nov.c   -O3 -g  (test for excess errors)