Regressions on trunk at revision 258071 vs revision 258052

[H.J. Lu x32]

New failures:

New passes:
FAIL: g++.dg/ext/timevar1.C  -std=gnu++11 (test for excess errors)
FAIL: g++.dg/ext/timevar1.C  -std=gnu++14 (test for excess errors)
FAIL: g++.dg/ext/timevar1.C  -std=gnu++98 (test for excess errors)
FAIL: g++.dg/ext/timevar2.C  -std=gnu++11 (test for excess errors)
FAIL: g++.dg/ext/timevar2.C  -std=gnu++14 (test for excess errors)
FAIL: g++.dg/ext/timevar2.C  -std=gnu++98 (test for excess errors)