Regressions on trunk at revision 224310 vs revision 224258

[H.J. Lu x32 -fpic]

New failures:

New passes:
FAIL: gcc.dg/graphite/run-id-pr47593.c execution test
FAIL: gcc.dg/parloops-exit-first-loop-alt-2.c scan-tree-dump-times parloops "(?n)\\[i" 9
FAIL: gcc.dg/parloops-exit-first-loop-alt-3.c scan-tree-dump-times parloops "(?n)\\* 4" 3
FAIL: gcc.dg/parloops-exit-first-loop-alt.c scan-tree-dump-times parloops "(?n)\\[i" 9
FAIL: gfortran.dg/finalize_15.f90   -O3 -fomit-frame-pointer  execution test
FAIL: gfortran.dg/finalize_15.f90   -O3 -fomit-frame-pointer -funroll-all-loops -finline-functions  execution test
FAIL: gfortran.dg/finalize_15.f90   -O3 -fomit-frame-pointer -funroll-loops  execution test
FAIL: gfortran.dg/finalize_15.f90   -O3 -g  execution test