Regressions on trunk at revision 181609 vs revision 181568

[H.J. Lu x32]

New failures:
FAIL: 20_util/bind/ref_neg.cc  (test for errors, line 1199)
FAIL: 20_util/bind/ref_neg.cc  (test for errors, line 1212)
FAIL: 20_util/bind/ref_neg.cc  (test for errors, line 1226)
FAIL: 20_util/bind/ref_neg.cc  (test for errors, line 1240)
FAIL: 20_util/bind/ref_neg.cc (test for excess errors)
FAIL: libgomp.graphite/force-parallel-6.c execution test
WARNING: program timed out.

New passes:
FAIL: libitm.c/clone-1.c execution test