1 files changed, 14 insertions, 0 deletions
diff --git a/js/src/tests/non262/lexical-environment/block-scoped-functions-annex-b-notapplicable.js b/js/src/tests/non262/lexical-environment/block-scoped-functions-annex-b-notapplicable.js
new file mode 100644
index 0000000000..4c5e2527a8
--- /dev/null
+++ b/js/src/tests/non262/lexical-environment/block-scoped-functions-annex-b-notapplicable.js
@@ -0,0 +1,14 @@
+// Test that functions in block that do not exhibit Annex B do not override
+// previous functions that do exhibit Annex B.
+
+function f() {
+  var outerX;
+  { function x() {1} outerX = x; }
+  { { function x() {2}; } let x; }
+  { let x; { function x() {3}; } }
+  assertEq(x, outerX);
+}
+f();
+
+if (typeof reportCompare === "function")
+  reportCompare(0, 0);