1 files changed, 31 insertions, 0 deletions
diff --git a/js/src/tests/test262/language/expressions/async-function/await-as-label-identifier.js b/js/src/tests/test262/language/expressions/async-function/await-as-label-identifier.js
new file mode 100644
index 0000000000..489c6915bb
--- /dev/null
+++ b/js/src/tests/test262/language/expressions/async-function/await-as-label-identifier.js
@@ -0,0 +1,31 @@
+// |reftest| error:SyntaxError
+// This file was procedurally generated from the following sources:
+// - src/async-functions/await-as-label-identifier.case
+// - src/async-functions/syntax/async-expression.template
+/*---
+description: await is a reserved keyword within generator function bodies and may not be used as a label identifier. (Unnamed async function expression)
+esid: prod-AsyncFunctionExpression
+features: [async-functions]
+flags: [generated]
+negative:
+  phase: parse
+  type: SyntaxError
+info: |
+    Async Function Definitions
+
+    AsyncFunctionExpression :
+      async [no LineTerminator here] function ( FormalParameters ) { AsyncFunctionBody }
+
+
+    LabelIdentifier : Identifier
+
+    It is a Syntax Error if this production has a [Await] parameter and
+    StringValue of Identifier is "await".
+
+---*/
+$DONOTEVALUATE();
+
+
+var asyncFn = async function () {
+  await: ;
+};