src/third_party/mozjs-45/js/src/tests/ecma_5/extensions/strict-function-toSource.js

/*
 * Bug 800407 - Functions defined with Function construcor
 * do have strict mode when JSOPTION_STRICT_MODE is on.
 */

options("strict_mode");
function testRunOptionStrictMode(str, arg, result) {
    var strict_inner = new Function('return typeof this == "undefined";');
    return strict_inner;
}
assertEq(eval(uneval(testRunOptionStrictMode()))(), true);

assertEq((new Function('x', 'return x*2;')).toSource().includes('\n"use strict"'), true);

reportCompare(true, true);