Regressions on trunk at revision 184091 vs revision 184047

[H.J. Lu x32]

New failures:
FAIL: g++.dg/tree-ssa/pr44706.C -std=gnu++11 scan-tree-dump-not fnsplit "Splitting function"
FAIL: g++.dg/tree-ssa/pr44706.C -std=gnu++98 scan-tree-dump-not fnsplit "Splitting function"

New passes: