1 files changed, 68 insertions, 0 deletions
diff --git a/js/src/tests/test262/language/module-code/top-level-await/syntax/export-dft-class-decl-await-expr-new-expr.js b/js/src/tests/test262/language/module-code/top-level-await/syntax/export-dft-class-decl-await-expr-new-expr.js
new file mode 100644
index 0000000000..b1c185140f
--- /dev/null
+++ b/js/src/tests/test262/language/module-code/top-level-await/syntax/export-dft-class-decl-await-expr-new-expr.js
@@ -0,0 +1,68 @@
+// |reftest| module
+// This file was procedurally generated from the following sources:
+// - src/top-level-await/await-expr-new-expr.case
+// - src/top-level-await/syntax/export-dflt-class-decl.template
+/*---
+description: AwaitExpression new MemberExpression (Valid syntax for top level await in export default ClassDeclaration)
+esid: prod-AwaitExpression
+features: [top-level-await, class]
+flags: [generated, module]
+info: |
+    ModuleItem:
+      StatementListItem[~Yield, +Await, ~Return]
+
+    ...
+
+    UnaryExpression[Yield, Await]
+      [+Await]AwaitExpression[?Yield]
+
+    AwaitExpression[Yield]:
+      await UnaryExpression[?Yield, +Await]
+
+    ...
+
+    ExportDeclaration:
+      export * FromClause ;
+      export ExportClause FromClause ;
+      export ExportClause ;
+      export VariableStatement[~Yield, +Await]
+      export Declaration[~Yield, +Await]
+      export defaultHoistableDeclaration[~Yield, +Await, +Default]
+      export defaultClassDeclaration[~Yield, +Await, +Default]
+      export default[lookahead ∉ { function, async [no LineTerminator here] function, class }]AssignmentExpression[+In, ~Yield, ~Await];
+
+    Declaration[Yield, Await]:
+      HoistableDeclaration[?Yield, ?Await, ~Default]
+      ClassDeclaration[?Yield, ?Await, ~Default]
+      LexicalDeclaration[+In, ?Yield, ?Await]
+
+    ClassDeclaration[Yield, Await, Default]:
+      classBindingIdentifier[?Yield, ?Await] ClassTail[?Yield, ?Await]
+      [+Default] class ClassTail[?Yield, ?Await]
+
+    ClassTail[Yield, Await]:
+      ClassHeritage[?Yield, ?Await]_opt { ClassBody[?Yield, ?Await]_opt }
+
+
+    LeftHandSideExpression[Yield, Await]:
+      NewExpression[?Yield, ?Await]
+      CallExpression[?Yield, ?Await]
+
+    NewExpression[Yield, Await]:
+      MemberExpression[?Yield, ?Await]
+      new NewExpression[?Yield, ?Await]
+
+    MemberExpression[Yield, Await]:
+      ...
+      new MemberExpression[?Yield, ?Await] Arguments[?Yield, ?Await]
+
+---*/
+
+
+function fn() {
+  return function() {};
+}
+// extends CallExpression with arguments
+export default class extends fn(await new Promise(function(res, rej) { res(1); })) {};
+
+reportCompare(0, 0);