Regressions on trunk at revision 206213 vs revision 206212

[H.J. Lu Intel64 Core i7]

New failures:
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: gcc.target/i386/andor-2.c (test for excess errors)

New passes: