Regressions on trunk at revision 242402 vs revision 242397

[H.J. Lu ia32 Core i7]

New failures:

New passes:
FAIL: gcc.dg/tree-ssa/builtin-sprintf-2.c (internal compiler error)
FAIL: gcc.dg/tree-ssa/builtin-sprintf-2.c scan-tree-dump-times optimized ">:\n *__builtin_abort" 114
FAIL: gcc.dg/tree-ssa/builtin-sprintf-2.c (test for excess errors)