1 files changed, 45 insertions, 0 deletions
diff --git a/js/src/tests/test262/language/statements/async-generator/dflt-params-ref-self.js b/js/src/tests/test262/language/statements/async-generator/dflt-params-ref-self.js
new file mode 100644
index 0000000000..24b4278be1
--- /dev/null
+++ b/js/src/tests/test262/language/statements/async-generator/dflt-params-ref-self.js
@@ -0,0 +1,45 @@
+// This file was procedurally generated from the following sources:
+// - src/function-forms/dflt-params-ref-self.case
+// - src/function-forms/error/async-gen-func-decl.template
+/*---
+description: Referencing a parameter from within its own initializer (async generator function declaration)
+esid: sec-asyncgenerator-definitions-instantiatefunctionobject
+features: [default-parameters, async-iteration]
+flags: [generated]
+info: |
+    AsyncGeneratorDeclaration : async [no LineTerminator here] function * BindingIdentifier
+        ( FormalParameters ) { AsyncGeneratorBody }
+
+        [...]
+        3. Let F be ! AsyncGeneratorFunctionCreate(Normal, FormalParameters, AsyncGeneratorBody,
+            scope, strict).
+        [...]
+
+
+    14.1.19 Runtime Semantics: IteratorBindingInitialization
+
+    FormalsList : FormalsList , FormalParameter
+
+    1. Let status be the result of performing IteratorBindingInitialization for
+       FormalsList using iteratorRecord and environment as the arguments.
+    2. ReturnIfAbrupt(status).
+    3. Return the result of performing IteratorBindingInitialization for
+       FormalParameter using iteratorRecord and environment as the arguments.
+
+---*/
+var x = 0;
+
+
+var callCount = 0;
+async function* f(x = x) {
+  
+  callCount = callCount + 1;
+}
+
+assert.throws(ReferenceError, function() {
+  f();
+});
+
+assert.sameValue(callCount, 0, 'generator function body not evaluated');
+
+reportCompare(0, 0);