// errorcheck // Copyright 2015 The Go Authors. All rights reserved. // Use of this source code is governed by a BSD-style // license that can be found in the LICENSE file. // Verify that constant definition loops are caught during // typechecking and that the errors print correctly. package main const A = 1 + B // ERROR "constant definition loop\n.*A uses B\n.*B uses C\n.*C uses A|initialization cycle" const B = C - 1 // ERROR "constant definition loop\n.*B uses C\n.*C uses B|initialization cycle" const C = A + B + 1