Regressions on trunk at revision 174843 vs revision 174833

[H.J. Lu Intel64]

New failures:
FAIL: gcc.dg/20051207-3.c (test for excess errors)
FAIL: gcc.dg/20051207-3.c (test for excess errors)
FAIL: gcc.dg/tls/section-1.c (test for excess errors)
FAIL: gcc.dg/tls/section-1.c (test for excess errors)

New passes: