Status: Accepted
Owner: [email protected]
CC: [email protected]
Labels: Type-Bug Priority-Medium HW-All
New issue 2539 by [email protected]: Optimized function.apply(this,
arguments) broken when declared arguments are mutated.
http://code.google.com/p/v8/issues/detail?id=2539
One repro is worth a thousand words ...
(function () {
"use strict";
var dispatcher = {};
dispatcher.func = C;
function A(x,y) {
B(10, 11);
assertSame(1, x);
assertSame(2, y);
}
function B(x,y) {
x = 0; y = 0;
dispatcher.func.apply(this, arguments);
assertSame(2, arguments.length);
assertSame(10, arguments[0]);
assertSame(11, arguments[1]);
}
function C(x,y) {
assertSame(2, arguments.length);
assertSame(10, arguments[0]);
assertSame(11, arguments[1]);
}
A(1,2);
A(1,2);
%OptimizeFunctionOnNextCall(A);
A(1,2);
})();
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