Add missing "non-constant" diagnostic for a member call on a temporary of
non-literal class type.


git-svn-id: http://llvm.org/svn/llvm-project/cfe/trunk@210696 91177308-0d34-0410-b5e6-96231b3b80d8
Remove dev/null redirect and x86 backend requirement from new test.

git-svn-id: http://llvm.org/svn/llvm-project/cfe/trunk@210699 91177308-0d34-0410-b5e6-96231b3b80d8