Regressions on trunk at revision 230902 vs revision 230869

[H.J. Lu ia32 -fpic]

New failures:
FAIL: g++.dg/cpp0x/constexpr-array13.C  -std=c++11  (test for errors, line 6)
FAIL: g++.dg/cpp0x/constexpr-array13.C  -std=c++11 (test for excess errors)
FAIL: g++.dg/cpp0x/constexpr-array13.C  -std=c++14  (test for errors, line 6)
FAIL: g++.dg/cpp0x/constexpr-array13.C  -std=c++14 (test for excess errors)

New passes:
FAIL: gfortran.dg/pr68227.f90   -O  (internal compiler error)
FAIL: gfortran.dg/pr68227.f90   -O  (test for excess errors)