Regressions on trunk at revision 240445 vs revision 240437

[H.J. Lu ia32 Core i7]

New failures:

New passes:
FAIL: gcc.dg/tree-ssa/builtin-sprintf-warn-4.c expected multiline pattern lines 14-15 not found: "\s*sprintf \(dst \+ 7, "%-s", "1"\);.*\n                     \^~~~~\n"
FAIL: gcc.dg/tree-ssa/builtin-sprintf-warn-4.c (test for excess errors)