// Copyright (C) 2015 the V8 project authors. All rights reserved. // This code is governed by the BSD license found in the LICENSE file. /*--- es6id: 9.2.12 description: > Parameters can't refer to not initialized parameters ---*/ function fn1(a = a) { return a; } assert.throws(ReferenceError, function() { fn1(); }); function fn2(a = b, b = 42) { return a; } assert.throws(ReferenceError, function() { fn2(); });