Regressions on trunk at revision 230934 vs revision 230915

[Intel Automatic Testing System [Intel64 Core AVX2 PIC]]

New failures:
FAIL: g++.dg/pr67876.C  -std=c++11 (test for excess errors)
FAIL: g++.dg/pr67876.C  -std=c++11 (test for excess errors)
FAIL: g++.dg/pr67876.C  -std=c++14 (test for excess errors)
FAIL: g++.dg/pr67876.C  -std=c++14 (test for excess errors)
FAIL: g++.dg/pr67876.C  -std=c++98 (test for excess errors)
FAIL: g++.dg/pr67876.C  -std=c++98 (test for excess errors)

New passes: