Regressions on 4.4 at revision 148004 vs revision 147996

[H.J. Lu ia32]

New failures:
FAIL: g++.dg/template/typedef19.C  (test for errors, line 17)
FAIL: g++.dg/template/typedef19.C  (test for errors, line 7)
FAIL: g++.dg/template/typedef20.C  (test for errors, line 21)
FAIL: g++.dg/template/typedef20.C  (test for errors, line 7)

New passes: