Regressions on trunk at revision 232258 vs revision 232209

[H.J. Lu Intel64]

New failures:

New passes:
FAIL: gcc.dg/ifcvt-3.c scan-rtl-dump ce1 "3 true changes made"
FAIL: g++.dg/ipa/pr66616.C  -std=gnu++11 execution test
FAIL: g++.dg/ipa/pr66616.C  -std=gnu++14 execution test
FAIL: g++.dg/ipa/pr66616.C  -std=gnu++98 execution test