Regressions on trunk at revision 215917 vs revision 215886

[H.J. Lu x32]

New failures:
FAIL: g++.dg/ipa/devirt-47.C  -std=gnu++11  scan-ipa-dump-times inline "Discovered a virtual call to a known target[^\\n]*C::_ZTh" 1
FAIL: g++.dg/ipa/devirt-47.C  -std=gnu++1y  scan-ipa-dump-times inline "Discovered a virtual call to a known target[^\\n]*C::_ZTh" 1
FAIL: g++.dg/ipa/devirt-47.C  -std=gnu++98  scan-ipa-dump-times inline "Discovered a virtual call to a known target[^\\n]*C::_ZTh" 1
FAIL: gfortran.dg/implicit_4.f90   -O   (test for errors, line 9)
FAIL: gfortran.dg/implicit_4.f90   -O  (test for excess errors)

New passes: