v8/test/mjsunit/regress/regress-crbug-573858.js
Mathias Bynens c6a16c10dd [test] Add %PrepareForOptimization to even more tests
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}
2019-06-12 14:40:14 +00:00

28 lines
845 B
JavaScript

// Copyright 2016 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
var throw_type_error = Object
.getOwnPropertyDescriptor(
function() {
'use strict';
}.__proto__,
'caller')
.get;
function create_initial_map() {
this instanceof throw_type_error;
};
%PrepareFunctionForOptimization(create_initial_map);
%OptimizeFunctionOnNextCall(create_initial_map);
assertThrows(create_initial_map);
function test() {
new throw_type_error();
};
%PrepareFunctionForOptimization(test);
%OptimizeFunctionOnNextCall(test);
assertThrows(test);