When initializing a context from a particular AST file, check whether
either "special" type has already been initialized. Previously, we did
this check based on just the first special type (__builtin_va_list),
but now we have some NULL special type entries to content with.


git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@137373 91177308-0d34-0410-b5e6-96231b3b80d8
1 file changed