Regressions on trunk at revision 181652 vs revision 181613

[H.J. Lu ia32]

New failures:
FAIL: gcc.dg/lto/trans-mem-1 c_lto_trans-mem-1_0.o-c_lto_trans-mem-1_1.o execute -flto -fgnu-tm
FAIL: gcc.dg/lto/trans-mem-2 c_lto_trans-mem-2_0.o-c_lto_trans-mem-2_1.o execute -flto -fgnu-tm

New passes:
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)