Regressions on master at commit r13-4888 vs commit r13-4882 on Linux/i686

[H.J. Lu]

New failures:

New passes:
FAIL: gfortran.dg/elemental_dependency_6.f90   -O2  execution test
FAIL: gfortran.dg/elemental_dependency_6.f90   -O2  (test for excess errors)
FAIL: g++.old-deja/g++.mike/p2736.C  -std=c++17 execution test
FAIL: g++.old-deja/g++.mike/p2736.C  -std=c++17 (test for excess errors)
FAIL: g++.old-deja/g++.pt/tiemann2.C  -std=c++14 execution test
FAIL: g++.old-deja/g++.pt/tiemann2.C  -std=c++14 (test for excess errors)
FAIL: tr1/4_metaprogramming/is_member_object_pointer/requirements/typedefs.cc (test for excess errors)