c6a16c10dd
With bytecode flushing and lazy feedback allocation, we need to call %PrepareForOptimization before we call %OptimizeFunctionOnNextCall, ideally after declaring the function. Bug: v8:8801, v8:8394, v8:9183 Change-Id: I3fb257282a30f6526a376a3afdedb44786320d34 Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/1648255 Commit-Queue: Mathias Bynens <mathias@chromium.org> Reviewed-by: Maya Lekova <mslekova@chromium.org> Reviewed-by: Mythri Alle <mythria@chromium.org> Cr-Commit-Position: refs/heads/master@{#62119}
33 lines
1021 B
JavaScript
33 lines
1021 B
JavaScript
// Copyright 2018 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: --allow-natives-syntax
|
|
|
|
// Collect the actual properties looked up on the Proxy.
|
|
const actual = [];
|
|
|
|
// Perform a relational comparison with a Proxy on the right hand
|
|
// side and a Symbol which cannot be turned into a Number on the
|
|
// left hand side.
|
|
function foo() {
|
|
actual.length = 0;
|
|
const lhs = Symbol();
|
|
const rhs = new Proxy({}, {
|
|
get: function(target, property, receiver) {
|
|
actual.push(property);
|
|
return undefined;
|
|
}
|
|
});
|
|
|
|
return lhs < rhs;
|
|
};
|
|
%PrepareFunctionForOptimization(foo);
|
|
assertThrows(foo, TypeError);
|
|
assertEquals([Symbol.toPrimitive, 'valueOf', 'toString'], actual);
|
|
assertThrows(foo, TypeError);
|
|
assertEquals([Symbol.toPrimitive, 'valueOf', 'toString'], actual);
|
|
%OptimizeFunctionOnNextCall(foo);
|
|
assertThrows(foo, TypeError);
|
|
assertEquals([Symbol.toPrimitive, 'valueOf', 'toString'], actual);
|