Regressions on 6 at revision 258410 vs revision 258230

[H.J. Lu ia32]

New failures:
FAIL: g++.dg/ipa/pr82352.C  -std=gnu++11 (test for excess errors)
FAIL: g++.dg/ipa/pr82352.C  -std=gnu++14 (test for excess errors)
FAIL: g++.dg/ipa/pr82352.C  -std=gnu++98 (test for excess errors)

New passes: