Adding upstream version 115.7.0esr.upstream/115.7.0esrupstream

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

1 files changed, 45 insertions, 0 deletions

diff --git a/js/src/tests/test262/language/statements/class/elements/privatefieldset-evaluation-order-1.js b/js/src/tests/test262/language/statements/class/elements/privatefieldset-evaluation-order-1.js
new file mode 100644
index 0000000000..b9d1a0944f
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/privatefieldset-evaluation-order-1.js
@@ -0,0 +1,45 @@
+// Copyright (C) 2021 André Bargull. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+description: >
+  Evaluation order when resolving private fields.
+esid: sec-runtime-semantics-keyeddestructuringassignmentevaluation
+info: |
+  13.15.5.6 Runtime Semantics: KeyedDestructuringAssignmentEvaluation
+    1. If DestructuringAssignmentTarget is neither an ObjectLiteral nor an ArrayLiteral, then
+      a. Let lref be the result of evaluating DestructuringAssignmentTarget.
+      b. ReturnIfAbrupt(lref).
+  2. ...
+
+  9.1.1.3.4 GetThisBinding ( )
+    1. Assert: envRec.[[ThisBindingStatus]] is not lexical.
+    2. If envRec.[[ThisBindingStatus]] is uninitialized, throw a ReferenceError exception.
+    3. ...
+
+features: [class, class-fields-private]
+---*/
+
+class C extends class {} {
+  #field;
+
+  constructor() {
+    var init = () => super();
+
+    var object = {
+      get a() {
+        init();
+      }
+    };
+
+    // Accessing |this| should throw a ReferenceError before there's an attempt
+    // to invoke the getter.
+    ({a: this.#field} = object);
+  }
+}
+
+assert.throws(ReferenceError, function() {
+  new C();
+});
+
+reportCompare(0, 0);