Have clang_getCursorSource() return NULL when the source location is invalid or refers to a built-in buffer.  Implements <rdar://problem/7296243>.

llvm-svn: 89044
3 files changed
tree: 1d8f5a1013706de64d77b44a8b83290940a495ca
  1. clang/
  2. compiler-rt/
  3. llvm/