v8/test/mjsunit/deopt-with-outer-context.js

23 lines
577 B
JavaScript
Raw Normal View History

// Copyright 2015 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
function outer(y) {
function inner() {
var x = 10;
(function() {
// Access x from inner function to force it to be context allocated.
x = 20;
%DeoptimizeFunction(inner);
})();
// Variable y should be read from the outer context.
return y;
};
%OptimizeFunctionOnNextCall(inner);
return inner();
}
assertEquals(30, outer(30));