Status: New
Owner: ----
New issue 3038 by [email protected]: internalized string comparison in
optimized code may return incorrect result
http://code.google.com/p/v8/issues/detail?id=3038
When we optimize the code below, an incorrect mask in function
HCheckInstanceType::GetCheckMaskAndTag leads to the wrong result:
function equal(o1, o2) {
return (o1 == o2);
}
var a = "abc";
var b = "abc";
equal(a, b);
equal(a, b);
%OptimizeFunctionOnNextCall(equal);
assertTrue(equal(1.3, 1.3)); // failure
The bug came into the tree in July
(https://code.google.com/p/v8/source/detail?r=15773).
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