v8/test/mjsunit/compiler/regress-uint8-deopt.js
jarin@chromium.org 364cec0034 [turbofan] Fix deoptimization of uint8, uint16 inputs.
BUG=
R=mstarzinger@chromium.org

Review URL: https://codereview.chromium.org/707443003

Cr-Commit-Position: refs/heads/master@{#25214}
git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@25214 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
2014-11-07 14:07:45 +00:00

18 lines
452 B
JavaScript

// Copyright 2014 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: --turbo-asm --turbo-deoptimization --allow-natives-syntax
function Module(heap) {
"use asm";
var a = new Uint8Array(heap);
function f() {
var x = a[0] | 0;
%DeoptimizeFunction(f);
return x;
}
return f;
}
assertEquals(0, Module(new ArrayBuffer(1))());