Regressions on trunk at revision 205794 vs revision 205789

[H.J. Lu Intel64 Core i7]

New failures:
FAIL: gfortran.dg/proc_ptr_result_4.f90  -O  (test for excess errors)
FAIL: gfortran.dg/proc_ptr_result_4.f90  -O  (test for excess errors)

New passes:
FAIL: 17_intro/headers/c++200x/stdc++.cc (test for excess errors)
FAIL: 17_intro/headers/c++200x/stdc++_multiple_inclusion.cc (test for excess errors)
FAIL: 30_threads/async/async.cc execution test