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diff --git a/js/src/tests/test262/language/module-code/top-level-await/syntax/early-does-not-propagate-to-fn-declaration-params.js b/js/src/tests/test262/language/module-code/top-level-await/syntax/early-does-not-propagate-to-fn-declaration-params.js
new file mode 100644
index 0000000000..ed59aabea1
--- /dev/null
+++ b/js/src/tests/test262/language/module-code/top-level-await/syntax/early-does-not-propagate-to-fn-declaration-params.js
@@ -0,0 +1,41 @@
+// |reftest| error:SyntaxError module
+// Copyright (C) 2019 Leo Balter. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+description: >
+  The Await capability does not propagate to the parameters of a function declaration
+info: |
+  ModuleItem:
+    StatementListItem[~Yield, +Await, ~Return]
+
+  StatementListItem[Yield, Await, Return]:
+    Statement[?Yield, ?Await, ?Return]
+    Declaration[?Yield, ?Await]
+
+  Declaration[Yield, Await]:
+    HoistableDeclaration[?Yield, ?Await, ~Default]
+    ClassDeclaration[?Yield, ?Await, ~Default]
+    LexicalDeclaration[+In, ?Yield, ?Await]
+
+  HoistableDeclaration[Yield, Await, Default]:
+    FunctionDeclaration[?Yield, ?Await, ?Default]
+    GeneratorDeclaration[?Yield, ?Await, ?Default]
+    AsyncFunctionDeclaration[?Yield, ?Await, ?Default]
+    AsyncGeneratorDeclaration[?Yield, ?Await, ?Default]
+
+  FunctionDeclaration[Yield, Await, Default]:
+    function BindingIdentifier[?Yield, ?Await] ( FormalParameters[~Yield, ~Await] ) { FunctionBody[~Yield, ~Await] }
+negative:
+  phase: parse
+  type: SyntaxError
+esid: prod-ModuleItem
+flags: [module]
+features: [top-level-await]
+---*/
+
+$DONOTEVALUATE();
+
+function fn(x = await 1) {
+  return x;
+}