blob: 085af05577af4c3c30fcec5a4eec7a8cf5b547e0 [file] [log] [blame]
// Copyright 2013 the V8 project authors. All rights reserved.
// Copyright (C) 2005, 2006, 2007, 2008, 2009 Apple Inc. All rights reserved.
//
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description(
"Tests if the CFG simplifier gracefully handles the case where Block #1 and #2 are merged, #1 has a dead GetLocal, and #2 has a live GetLocal on the same local."
);
var array = [];
var getDist = function () {
// a conditional absolutely MUST be here for the whole thing to break.
// the return value is irrelevant
if (false) return "I'm irrelevant!";
return Math.sqrt(5);
}
var calcError = function(){
var dist = 0; // initialisation is necessary for the bug to occur
true && (dist = getDist());
array.push(dist);
}
for(var a=0; a<1000; a++){ // the loop needs to be outside calcError, otherwise no bug...
calcError();
}
for (var i = 0; i < array.length; ++i)
shouldBe("array[i]", "2.23606797749979");