// @target: es6 // ES6 Spec - 10.1.1 Static Semantics: UTF16Encoding (cp) // 2. Let cu2 be ((cp – 65536) modulo 1024) + 0xDC00. // Although we should just get back a single code point value of 0xDC00, // this is a useful edge-case test. var x = /\u{DC00}/g;