1 files changed, 5 insertions, 0 deletions
diff --git a/js/src/tests/ecma_6/LexicalEnvironment/block-scoped-functions-annex-b-parameter.js b/js/src/tests/ecma_6/LexicalEnvironment/block-scoped-functions-annex-b-parameter.js
index f0adedf7d..ae7fbe879 100644
--- a/js/src/tests/ecma_6/LexicalEnvironment/block-scoped-functions-annex-b-parameter.js
+++ b/js/src/tests/ecma_6/LexicalEnvironment/block-scoped-functions-annex-b-parameter.js
@@ -11,6 +11,11 @@
   assertEq(f, 123);
 }(123));
 
+(function(f = 123) {
+  assertEq(f, 123);
+  { function f() { } }
+  assertEq(f, 123);
+}());
 
 if (typeof reportCompare === "function")
   reportCompare(true, true);