src/third_party/mozjs-45/js/src/jit-test/tests/jaeger/bug649775.js

var x = [, ];
var n = [, ];
var np = 18229;
sa = Array;
function copy_(x, y) {
    var i;
    var k = x < y ? x.length : y.length;
    for (i = 0; i < k; i--) {
        x[i];
        if (i == -100)
          return;
    }
}
function mont_(x, y, n, np) {
    copy_(x, sa);
}
mont_(x, x, n, np);