Source code

Revision control

Copy as Markdown

Other Tools

// Copyright (C) 2021 the V8 project authors. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.
/*---
esid: sec-delete-operator-runtime-semantics-evaluation
description: The restriction on the base of a super property must not be enforced before the delete expression is evaluated.
info: |
# 13.3.7.3 MakeSuperPropertyReference ( actualThis, propertyKey, strict )
1. Let env be GetThisEnvironment().
2. Assert: env.HasSuperBinding() is true.
3. Let baseValue be ? env.GetSuperBase().
4. Let bv be ? RequireObjectCoercible(baseValue).
# 13.5.1.2 Runtime Semantics: Evaluation
UnaryExpression : delete UnaryExpression
1. Let ref be the result of evaluating UnaryExpression.
2. ReturnIfAbrupt(ref).
[...]
5. If IsPropertyReference(ref) is true, then
a. Assert: ! IsPrivateReference(ref) is false.
b. If IsSuperReference(ref) is true, throw a ReferenceError exception.
features: [class]
---*/
class C {
static m() {
delete super.x;
}
}
Object.setPrototypeOf(C, null);
assert.throws(ReferenceError, () => {
C.m();
});
reportCompare(0, 0);