| // 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" | |
| const B = C - 1 // ERROR "constant definition loop\n.*B uses C\n.*C uses B" | |
| const C = A + B + 1 |