1 files changed, 30 insertions, 0 deletions
diff --git a/js/src/tests/non262/lexical-environment/block-scoped-functions-hoisted-tdz.js b/js/src/tests/non262/lexical-environment/block-scoped-functions-hoisted-tdz.js
new file mode 100644
index 0000000000..e5f9baf446
--- /dev/null
+++ b/js/src/tests/non262/lexical-environment/block-scoped-functions-hoisted-tdz.js
@@ -0,0 +1,30 @@
+var log = "";
+try {
+  (function() {
+    {
+      let y = f();
+      function f() { y; }
+    }
+  })()
+} catch (e) {
+  log += e instanceof ReferenceError;
+}
+
+try {
+  function f() {
+    switch (1) {
+      case 0:
+        let x;
+      case 1:
+        (function() { x; })();
+    }
+  }
+  f();
+} catch (e) {
+  log += e instanceof ReferenceError;
+}
+
+assertEq(log, "truetrue");
+
+if ("reportCompare" in this)
+  reportCompare(true, true);