regexp-exec.js - mozsearch

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// RegExp.exec -> RegExp.test optimization should use the builtin test method.

function f() {

    var res = 0;

    for (var i=0; i<100; i++) {

        if (/a/.exec("a"))

            res++;

    assertEq(res, 100);

delete RegExp.prototype.test;

gc();

f();

RegExp.prototype.test = function() { assertEq(0, 1); }

gc();

f();

Object.defineProperty(RegExp.prototype, "test", {get: function() { assertEq(0, 1); }});

gc();

f();