1// errorcheck 2 3// Copyright 2015 The Go Authors. All rights reserved. 4// Use of this source code is governed by a BSD-style 5// license that can be found in the LICENSE file. 6 7// Verify that constant definition loops are caught during 8// typechecking and that the errors print correctly. 9 10package main 11 12const A = 1 + B // ERROR "constant definition loop\n.*A uses B\n.*B uses C\n.*C uses A|initialization cycle" 13const B = C - 1 // ERROR "constant definition loop\n.*B uses C\n.*C uses B|initialization cycle" 14const C = A + B + 1 15