Regressions on trunk at revision 224275 vs revision 224262

[Intel Automatic Testing System [ia32 Core AVXi]]

New failures:

New passes:
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