Regressions on trunk at revision 222556 vs revision 222523

[H.J. Lu ia32]

New failures:

New passes:
FAIL: g++.dg/tree-ssa/pr61034.C  -std=gnu++11  scan-tree-dump-times fre2 "free" 18
FAIL: g++.dg/tree-ssa/pr61034.C  -std=gnu++14  scan-tree-dump-times fre2 "free" 18
FAIL: g++.dg/tree-ssa/pr61034.C  -std=gnu++98  scan-tree-dump-times fre2 "free" 18