1 files changed, 17 insertions, 0 deletions
diff --git a/clang/unittests/Tooling/RecursiveASTVisitorTest.cpp b/clang/unittests/Tooling/RecursiveASTVisitorTest.cpp
index 991ae8bb7f3..a2aedb64859 100644
--- a/clang/unittests/Tooling/RecursiveASTVisitorTest.cpp
+++ b/clang/unittests/Tooling/RecursiveASTVisitorTest.cpp
@@ -152,4 +152,21 @@ TEST(RecursiveASTVisitor, ArrayInitializersAreVisited) {
                       "};\n"));
 }
 
+// Check to ensure that implicit default argument expressions are visited.
+class IntegerLiteralVisitor
+    : public ExpectedLocationVisitor<IntegerLiteralVisitor> {
+public:
+  bool VisitIntegerLiteral(const IntegerLiteral *IL) {
+    Match("literal", IL->getLocation());
+    return true;
+  }
+};
+
+TEST(RecursiveASTVisitor, DefaultArgumentsAreVisited) {
+  IntegerLiteralVisitor Visitor;
+  Visitor.ExpectMatch("literal", 1, 15, 2);
+  EXPECT_TRUE(Visitor.runOver("int f(int i = 1);\n"
+                              "static int k = f();\n"));
+}
+
 } // end anonymous namespace