1 files changed, 40 insertions, 0 deletions
diff --git a/js/src/tests/test262/language/statements/async-generator/eval-var-scope-syntax-err.js b/js/src/tests/test262/language/statements/async-generator/eval-var-scope-syntax-err.js
new file mode 100644
index 0000000000..2711c015b4
--- /dev/null
+++ b/js/src/tests/test262/language/statements/async-generator/eval-var-scope-syntax-err.js
@@ -0,0 +1,40 @@
+// This file was procedurally generated from the following sources:
+// - src/function-forms/eval-var-scope-syntax-err.case
+// - src/function-forms/error-no-strict/async-gen-func-decl.template
+/*---
+description: sloppy direct eval in params introduces var (async generator function declaration in sloppy code)
+esid: sec-asyncgenerator-definitions-instantiatefunctionobject
+features: [default-parameters, async-iteration]
+flags: [generated, noStrict]
+info: |
+    AsyncGeneratorDeclaration : async [no LineTerminator here] function * BindingIdentifier
+        ( FormalParameters ) { AsyncGeneratorBody }
+
+        [...]
+        3. Let F be ! AsyncGeneratorFunctionCreate(Normal, FormalParameters, AsyncGeneratorBody,
+            scope, strict).
+        [...]
+
+
+    
+    Runtime Semantics: IteratorBindingInitialization
+    FormalParameter : BindingElement
+
+    1. Return the result of performing IteratorBindingInitialization for BindingElement with arguments iteratorRecord and environment.
+
+---*/
+
+
+var callCount = 0;
+async function* f(a = eval("var a = 42")) {
+  
+  callCount = callCount + 1;
+}
+
+assert.throws(SyntaxError, function() {
+  f();
+});
+
+assert.sameValue(callCount, 0, 'generator function body not evaluated');
+
+reportCompare(0, 0);