Fix crash in clang_getInstantiationLoc() when SourceManager::getInstantiationLoc() can return a SourceLocatin with an invalid
FileID on invalid code.  Fixes <rdar://problem/9164623>.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@128139 91177308-0d34-0410-b5e6-96231b3b80d8
2 files changed