1 files changed, 25 insertions, 0 deletions
diff --git a/js/src/tests/test262/annexB/language/global-code/script-decl-lex-collision.js b/js/src/tests/test262/annexB/language/global-code/script-decl-lex-collision.js
new file mode 100644
index 0000000000..d67ec17f8b
--- /dev/null
+++ b/js/src/tests/test262/annexB/language/global-code/script-decl-lex-collision.js
@@ -0,0 +1,25 @@
+// Copyright (C) 2023 Alexey Shvayka. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+esid: sec-globaldeclarationinstantiation
+description: Let binding collision with existing var declaration that was created for hoisted function.
+info: |
+  [...]
+  3. For each element name of lexNames, do
+    a. If env.HasVarDeclaration(name) is true, throw a SyntaxError exception.
+flags: [noStrict]
+---*/
+
+if (true) {
+  function test262Fn() {}
+}
+
+assert.throws(SyntaxError, function() {
+  $262.evalScript('var x; let test262Fn;');
+});
+
+assert.throws(ReferenceError, function() {
+  x;
+}, 'no bindings created');
+
+reportCompare(0, 0);