[libclang] Introduce clang_Range_isNull.

llvm-svn: 140706
3 files changed
tree: fde4d11bdde1894f0bed33b850a2159569f522bb
  1. clang/
  2. compiler-rt/
  3. debuginfo-tests/
  4. libcxx/
  5. libcxxabi/
  6. lldb/
  7. llvm/
  8. polly/