31 lines
530 B
JavaScript
31 lines
530 B
JavaScript
|
// Copyright 2020 the V8 project authors. All rights reserved.
|
||
|
|
// Use of this source code is governed by a BSD-style license that can be
|
||
|
|
// found in the LICENSE file.
|
||
|
|
|
||
|
|
// Flags: --no-lazy-feedback-allocation
|
||
|
|
|
||
|
|
"use strict";
|
||
|
|
|
||
|
|
function foo() {
|
||
|
|
let count = 0;
|
||
|
|
try {
|
||
|
|
for (p of v) {
|
||
|
|
count += 1;
|
||
|
|
}
|
||
|
|
} catch (e) { }
|
||
|
|
assertEquals(count, 0);
|
||
|
|
}
|
||
|
|
|
||
|
|
var v = [ "0", {}];
|
||
|
|
|
||
|
|
foo();
|
||
|
|
Reflect.deleteProperty(v, '0');
|
||
|
|
|
||
|
|
let count_loop = 0;
|
||
|
|
try {
|
||
|
|
for (p of v) { count_loop += 1; }
|
||
|
|
} catch (e) {}
|
||
|
|
assertEquals(count_loop, 0);
|
||
|
|
|
||
|
|
foo();
|