Regressions on 5 at revision 233952 vs revision 233884

[H.J. Lu Intel64]

New failures:

New passes:
FAIL: gcc.target/i386/pr70007.c execution test
FAIL: gcc.target/i386/pr70007.c (test for excess errors)
FAIL: gcc.target/i386/pr70007.c (test for excess errors)
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)