message: [indexer] Index references to system headers
diff: @@ -1357,13 +1357,6 @@ bool IsFunctionCallContext(CXCursorKind kind) {
  }
  void OnIndexReference(CXClientData client_data, const CXIdxEntityRefInfo* ref) {
  - // Don't index references from or to system headers.
  - if (clang_Location_isInSystemHeader(
  - clang_indexLoc_getCXSourceLocation(ref->loc)) ||
  - clang_Location_isInSystemHeader(
  - clang_getCursorLocation(ref->referencedEntity->cursor)))
  - return;
  -
  // TODO: Use clang_getFileUniqueID
  CXFile file;
  clang_getSpellingLocation(clang_indexLoc_getCXSourceLocation(ref->loc), &file,
  