Regressions on trunk at revision 233317 vs revision 233314

[H.J. Lu ia32 Core i7]

New failures:

New passes:
FAIL: g++.dg/tree-ssa/pr61034.C  -std=gnu++11  scan-tree-dump-times optimized "free" 3
FAIL: g++.dg/tree-ssa/pr61034.C  -std=gnu++14  scan-tree-dump-times optimized "free" 3
FAIL: g++.dg/tree-ssa/pr61034.C  -std=gnu++98  scan-tree-dump-times optimized "free" 3