Regressions on trunk at revision 268120 vs revision 268113

[H.J. Lu (x32)]

New failures:

New passes:
FAIL: gcc.dg/utf-array.c  (test for errors, line 15)
FAIL: gcc.dg/utf-array.c  (test for errors, line 21)
FAIL: gcc.dg/utf-array.c  (test for errors, line 33)
FAIL: gcc.dg/utf-array.c (test for excess errors)