Fix <rdar://problem/6704086> by allowing the format string checking in Sema to
allow non-literal format strings that are variables that (a) permanently bind to
a string constant and (b) whose string constants are resolvable within the same
translation unit.


git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@67404 91177308-0d34-0410-b5e6-96231b3b80d8
5 files changed