v8/test/mjsunit/compiler/regress-variable-liveness.js
2015-05-21 09:57:11 +00:00

23 lines
512 B
JavaScript

// 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 foo(x) {
%DeoptimizeFunction(run);
return x;
}
function run() {
var line = new Array(2);
for (var n = 3; n > 0; n = n - 1) {
if (n < foo(line.length)) line = new Array(n);
line[0] = n;
}
}
assertEquals(void 0, run());
%OptimizeFunctionOnNextCall(run);
assertEquals(void 0, run());