Adding upstream version 86.0.1.upstream/86.0.1upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 29 insertions, 0 deletions

diff --git a/js/src/tests/test262/language/expressions/arrow-function/param-dflt-yield-expr.js b/js/src/tests/test262/language/expressions/arrow-function/param-dflt-yield-expr.js
new file mode 100644
index 0000000000..c9cc21fc6f
--- /dev/null
+++ b/js/src/tests/test262/language/expressions/arrow-function/param-dflt-yield-expr.js
@@ -0,0 +1,29 @@
+// |reftest| error:SyntaxError
+// Copyright (C) 2016 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+esid: sec-arrow-function-definitions
+es6id: 14.2
+description: >
+  The `yield` token is interpreted contextually outside of strict mode
+info: |
+  ArrowFunction[In, Yield] :
+
+    ArrowParameters[?Yield] [no LineTerminator here] => ConciseBody[?In]
+
+  14.2.1 Static Semantics: Early Errors#
+
+  ArrowFunction : ArrowParameters=>ConciseBody
+
+  - It is a Syntax Error if ArrowParameters Contains YieldExpression is true.
+features: [generators, default-parameters]
+negative:
+  phase: parse
+  type: SyntaxError
+---*/
+
+$DONOTEVALUATE();
+
+function *g() {
+  (x = yield) => {};
+}