Index: include/clang-c/Index.h
===================================================================
--- include/clang-c/Index.h
+++ include/clang-c/Index.h
@@ -3920,11 +3920,17 @@
  */
 CINDEX_LINKAGE long long clang_Cursor_getOffsetOfField(CXCursor C);

+/**
+ * Determine whether the given cursor represents an anonymous
+ * tag or namespace
+ */
+CINDEX_LINKAGE unsigned clang_Cursor_isAnonymous(CXCursor C);
+
 /**
  * Determine whether the given cursor represents an anonymous record
  * declaration.
  */
-CINDEX_LINKAGE unsigned clang_Cursor_isAnonymous(CXCursor C);
+CINDEX_LINKAGE unsigned clang_Cursor_isAnonymousRecordDecl(CXCursor C);

 enum CXRefQualifierKind {
   /** No ref-qualifier was provided. */
Index: tools/libclang/CXType.cpp
===================================================================
--- tools/libclang/CXType.cpp
+++ tools/libclang/CXType.cpp
@@ -1253,6 +1253,16 @@

   return 0;
 }
+
+unsigned clang_Cursor_isAnonymousRecordDecl(CXCursor C){
+  if (!clang_isDeclaration(C.kind))
+    return 0;
+  const Decl *D = cxcursor::getCursorDecl(C);
+  if (const RecordDecl *FD = dyn_cast_or_null<RecordDecl>(D))
+    return FD->isAnonymousStructOrUnion();
+  return 0;
+}
+
 CXType clang_Type_getNamedType(CXType CT){
   QualType T = GetQualType(CT);
   const Type *TP = T.getTypePtrOrNull();