1 files changed, 38 insertions, 0 deletions
diff --git a/unittests/Tooling/RecursiveASTVisitorTests/CXXOperatorCallExprTraverser.cpp b/unittests/Tooling/RecursiveASTVisitorTests/CXXOperatorCallExprTraverser.cpp
new file mode 100644
index 000000000000..414b0f0174e1
--- /dev/null
+++ b/unittests/Tooling/RecursiveASTVisitorTests/CXXOperatorCallExprTraverser.cpp
@@ -0,0 +1,38 @@
+//===- unittest/Tooling/RecursiveASTVisitorTests/CXXOperatorCallExprTraverser.cpp -===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+#include "TestVisitor.h"
+
+using namespace clang;
+
+namespace {
+
+class CXXOperatorCallExprTraverser
+  : public ExpectedLocationVisitor<CXXOperatorCallExprTraverser> {
+public:
+  // Use Traverse, not Visit, to check that data recursion optimization isn't
+  // bypassing the call of this function.
+  bool TraverseCXXOperatorCallExpr(CXXOperatorCallExpr *CE) {
+    Match(getOperatorSpelling(CE->getOperator()), CE->getExprLoc());
+    return ExpectedLocationVisitor<CXXOperatorCallExprTraverser>::
+        TraverseCXXOperatorCallExpr(CE);
+  }
+};
+
+TEST(RecursiveASTVisitor, TraversesOverloadedOperator) {
+  CXXOperatorCallExprTraverser Visitor;
+  Visitor.ExpectMatch("()", 4, 9);
+  EXPECT_TRUE(Visitor.runOver(
+    "struct A {\n"
+    "  int operator()();\n"
+    "} a;\n"
+    "int k = a();\n"));
+}
+
+} // end anonymous namespace