Regressions on trunk at revision 211114 vs revision 211112

[H.J. Lu x32]

New failures:

New passes:
FAIL: g++.dg/pr60969.C -std=gnu++11 (test for excess errors)
FAIL: g++.dg/pr60969.C -std=gnu++1y (test for excess errors)
FAIL: g++.dg/pr60969.C -std=gnu++98 (test for excess errors)