The arguments object's values is undefined in strict mode inside function expressions

'use strict'; // causes problem

function __min() {
    // arguments.length is always ok, but values (e.g. arguments[0]) is undefined (inside function expressions)
    return Math.min.apply(this, arguments);
}

var mins = [
  [1, 2, 3],
  [-2, 3, 1],
  [2, 3, 4]
].map(function (a) {
   return __min(a[0], a[1], a[2]);
});

function main() {
    console.log('main()',
        __min(1, 2, 3), // ok
        (function () { return __min(1, 2, 3); }()), // NaN
        mins // [NaN, NaN, NaN]
    );
}