Regressions on 4.5 at revision 182676 vs revision 182459

[H.J. Lu Intel64]

New failures:

New passes:
FAIL: g++.dg/cpp0x/auto9.C  (test for errors, line 45)
FAIL: g++.dg/cpp0x/rv3n.C  (test for warnings, line 362)
FAIL: g++.dg/ext/builtin5.C  (test for warnings, line 11)
FAIL: g++.dg/ext/complit4.C (test for excess errors)
FAIL: g++.dg/opt/array2.C (test for excess errors)
FAIL: g++.dg/opt/pr19650.C (test for excess errors)
FAIL: g++.dg/tc1/dr85.C (test for excess errors)
FAIL: g++.old-deja/g++.brendan/misc10.C (test for excess errors)
FAIL: g++.old-deja/g++.bugs/900519_13.C (test for excess errors)
FAIL: g++.old-deja/g++.eh/rethrow1.C (test for excess errors)
FAIL: g++.old-deja/g++.mike/p4484.C (test for excess errors)
FAIL: g++.old-deja/g++.mike/p4750.C (test for excess errors)
FAIL: g++.old-deja/g++.pt/unify8.C  (test for errors, line 18)