v8/test/mjsunit/compiler/regress-v8-5756.js
2016-12-23 14:29:00 +00:00

32 lines
802 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
z = {};
t = new Uint8Array(3);
var m = 0;
var x = 10;
function k() {
++m;
if (m % 10 != 9) {
if (m > 20) // This if is to just force it to deoptimize.
x = '1'; // this deoptimizes during the second invocation of k.
// This causes two deopts, one eager at x = 1 and the
// other lazy at t[2] = z.
t[2] = z; // since we are assigning to Uint8Array, ToNumber
// is called which calls this funciton again.
}
}
function f1() {
z.toString = k;
z.toString();
z.toString();
%OptimizeFunctionOnNextCall(k);
z.toString();
}
f1();