1 files changed, 15 insertions, 6 deletions
diff --git a/tools/libclang/CIndex.cpp b/tools/libclang/CIndex.cpp
index f4d347108c..70bccc7eea 100644
--- a/tools/libclang/CIndex.cpp
+++ b/tools/libclang/CIndex.cpp
@@ -5418,12 +5418,21 @@ unsigned clang_isInvalid(enum CXCursorKind K) {
 
 unsigned clang_isDeclaration(enum CXCursorKind K) {
   return (K >= CXCursor_FirstDecl && K <= CXCursor_LastDecl) ||
-         (K >= CXCursor_FirstExtraDecl && K <= CXCursor_LastExtraDecl);
-}
-
-unsigned clang_isReference(enum CXCursorKind K) {
-  return K >= CXCursor_FirstRef && K <= CXCursor_LastRef;
-}
+         (K >= CXCursor_FirstExtraDecl && K <= CXCursor_LastExtraDecl);
+}
+
+unsigned clang_isInvalidDeclaration(CXCursor C) {
+  if (clang_isDeclaration(C.kind)) {
+    if (const Decl *D = getCursorDecl(C))
+      return D->isInvalidDecl();
+  }
+
+  return 0;
+}
+
+unsigned clang_isReference(enum CXCursorKind K) {
+  return K >= CXCursor_FirstRef && K <= CXCursor_LastRef;
+}
 
 unsigned clang_isExpression(enum CXCursorKind K) {
   return K >= CXCursor_FirstExpr && K <= CXCursor_LastExpr;