1 files changed, 41 insertions, 0 deletions
diff --git a/js/src/tests/test262/language/expressions/async-generator/dstr/named-dflt-ary-ptrn-rest-not-final-obj.js b/js/src/tests/test262/language/expressions/async-generator/dstr/named-dflt-ary-ptrn-rest-not-final-obj.js
new file mode 100644
index 0000000000..bce88cfda8
--- /dev/null
+++ b/js/src/tests/test262/language/expressions/async-generator/dstr/named-dflt-ary-ptrn-rest-not-final-obj.js
@@ -0,0 +1,41 @@
+// |reftest| error:SyntaxError
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-rest-not-final-obj.case
+// - src/dstr-binding/default/async-gen-func-named-expr-dflt.template
+/*---
+description: Rest element (object binding pattern) may not be followed by any element (async generator named function expression (default parameter))
+esid: sec-asyncgenerator-definitions-evaluation
+features: [async-iteration]
+flags: [generated]
+negative:
+  phase: parse
+  type: SyntaxError
+info: |
+    AsyncGeneratorExpression : async [no LineTerminator here] function * BindingIdentifier
+        ( FormalParameters ) { AsyncGeneratorBody }
+
+        [...]
+        7. Let closure be ! AsyncGeneratorFunctionCreate(Normal, FormalParameters,
+           AsyncGeneratorBody, funcEnv, strict).
+        [...]
+
+
+    13.3.3 Destructuring Binding Patterns
+    ArrayBindingPattern[Yield] :
+        [ Elisionopt BindingRestElement[?Yield]opt ]
+        [ BindingElementList[?Yield] ]
+        [ BindingElementList[?Yield] , Elisionopt BindingRestElement[?Yield]opt ]
+---*/
+$DONOTEVALUATE();
+
+
+var callCount = 0;
+var f;
+f = async function* h([...{ x }, y] = [1, 2, 3]) {
+  
+  callCount = callCount + 1;
+};
+
+f().next().then(() => {
+    assert.sameValue(callCount, 1, 'invoked exactly once');
+}).then($DONE, $DONE);