System.register([], function (exports, module) {
	'use strict';
	return {
		execute: function () {

			const items = { children: [ {}, {}, {} ] };

			function a () {
				for ( const item of items.children ) {
					item.foo = 'a';
				}
			}

			a();

			function c () {
				let item;
				for ( item of items.children ) {
					item.bar = 'c';
				}
			}

			c();

			assert.deepEqual( items, [
				{ foo: 'a', bar: 'c' },
				{ foo: 'a', bar: 'c' },
				{ foo: 'a', bar: 'c' }
			] );

		}
	};
});
