Regressions on trunk at revision 205857 vs revision 205846

[H.J. Lu ia32]

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)
ERROR: tcl error sourcing /export/gnu/import/git/gcc-test-ia32/src-trunk/gcc/testsuite/gcc.misc-tests/i386-prefetch.exp.
ERROR: tcl error sourcing /export/gnu/import/git/gcc-test-ia32/src-trunk/gcc/testsuite/gcc.target/i386/math-torture/math-torture.exp.
ERROR: torture-init: torture_without_loops is not empty as expected
ERROR: torture-init: torture_without_loops is not empty as expected

New passes: