Regressions on trunk at revision 211738 vs revision 211720

[H.J. Lu x32]

New failures:
FAIL: g++.dg/ipa/devirt-5.C -std=gnu++11  scan-ipa-dump cp "Discovered a virtual call to a known target.*B::foo"
FAIL: g++.dg/ipa/devirt-5.C -std=gnu++11  scan-tree-dump-times optimized "OBJ_TYPE_REF" 0
FAIL: g++.dg/ipa/devirt-5.C -std=gnu++1y  scan-ipa-dump cp "Discovered a virtual call to a known target.*B::foo"
FAIL: g++.dg/ipa/devirt-5.C -std=gnu++1y  scan-tree-dump-times optimized "OBJ_TYPE_REF" 0
FAIL: g++.dg/ipa/devirt-5.C -std=gnu++98  scan-ipa-dump cp "Discovered a virtual call to a known target.*B::foo"
FAIL: g++.dg/ipa/devirt-5.C -std=gnu++98  scan-tree-dump-times optimized "OBJ_TYPE_REF" 0
FAIL: g++.dg/ipa/ivinline-7.C -std=gnu++11  scan-ipa-dump inline "Discovered a virtual call to a known target.*B::.*foo"
FAIL: g++.dg/ipa/ivinline-7.C -std=gnu++1y  scan-ipa-dump inline "Discovered a virtual call to a known target.*B::.*foo"
FAIL: g++.dg/ipa/ivinline-7.C -std=gnu++98  scan-ipa-dump inline "Discovered a virtual call to a known target.*B::.*foo"
FAIL: g++.dg/ipa/ivinline-9.C -std=gnu++11  scan-ipa-dump inline "Discovered a virtual call to a known target.*B::.*foo"
FAIL: g++.dg/ipa/ivinline-9.C -std=gnu++1y  scan-ipa-dump inline "Discovered a virtual call to a known target.*B::.*foo"
FAIL: g++.dg/ipa/ivinline-9.C -std=gnu++98  scan-ipa-dump inline "Discovered a virtual call to a known target.*B::.*foo"

New passes: