ChakraCore/test/Bugs/regalloc.js

//-------------------------------------------------------------------------------------------------------
// Copyright (C) Microsoft. All rights reserved.
// Licensed under the MIT license. See LICENSE.txt file in the project root for full license information.
//-------------------------------------------------------------------------------------------------------

//
// WinOOB 1150093
// Really spill a helper spilled lifetime if the register borrowed from it gets allocated 
// to another lifetime that extends beyond the end of a helper block. 
//
(function() {
    function func() { return -1; }
    var obj1 = new Object();
    var e;
    e = 7.5;
    obj1.a = 6;
    obj1.b = 5.5;
    obj1.length = 1.5;
    obj1.b >>= (obj1.a >> (((obj1.b ) > ((e >>> 1),(obj1.length++ )) ) ? ( 1) : (1 , func(1)) ));
    WScript.Echo("Done");
})();

// Win8 631676
// Helper block spills on caller-save registers should be restored at the end of the block
(function() {
    var obj1 = {};
    var ary = new Array(10);
    (function (p0, p1, p2) {
        obj1.prop0 *= (obj1.length &= 1);
        var obj3 = 1;
        var __loopvar3 = 0;
        while((((ary[(14)] ? h : 1) * (((ary[(1)] ? 5.92399137987761E+18 : 1.1) * obj3.prop1) * (1 - ((ary[(12)] * ary[(10)]) ? 7.86168737043649E+18 : -1048116397.9))) - (~7.61982799133318E+18))) && __loopvar3 < 3) {
            __loopvar3++;
        }
    })();
})();