Regressions on trunk at revision 173004 vs revision 172954

[H.J. Lu Intel64]

New failures:

New passes:
FAIL: gcc.dg/tree-prof/val-prof-2.c scan-tree-dump optimized "n_[0-9]* \+ 0xffff"
FAIL: gcc.dg/tree-prof/val-prof-2.c scan-tree-dump optimized "n_[0-9]* \+ 0xffff"