1 files changed, 46 insertions, 0 deletions
diff --git a/js/src/tests/test262/language/statements/async-generator/dflt-params-rest.js b/js/src/tests/test262/language/statements/async-generator/dflt-params-rest.js
new file mode 100644
index 0000000000..50094b3de8
--- /dev/null
+++ b/js/src/tests/test262/language/statements/async-generator/dflt-params-rest.js
@@ -0,0 +1,46 @@
+// |reftest| error:SyntaxError
+// This file was procedurally generated from the following sources:
+// - src/function-forms/dflt-params-rest.case
+// - src/function-forms/syntax/async-gen-func-decl.template
+/*---
+description: RestParameter does not support an initializer (async generator function declaration)
+esid: sec-asyncgenerator-definitions-instantiatefunctionobject
+features: [default-parameters, async-iteration]
+flags: [generated]
+negative:
+  phase: parse
+  type: SyntaxError
+info: |
+    AsyncGeneratorDeclaration : async [no LineTerminator here] function * BindingIdentifier
+        ( FormalParameters ) { AsyncGeneratorBody }
+
+        [...]
+        3. Let F be ! AsyncGeneratorFunctionCreate(Normal, FormalParameters, AsyncGeneratorBody,
+            scope, strict).
+        [...]
+
+
+    14.1 Function Definitions
+
+    Syntax
+
+    FunctionRestParameter[Yield] :
+
+      BindingRestElement[?Yield]
+
+    13.3.3 Destructuring Binding Patterns
+
+    Syntax
+
+    BindingRestElement[Yield] :
+
+      ...BindingIdentifier[?Yield]
+      ...BindingPattern[?Yield]
+
+---*/
+$DONOTEVALUATE();
+
+
+async function* f(...x = []) {
+  
+}