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go/test/typecheckloop.go
Dave Cheney dab0dac01a cmd/compile: convert typecheck_stack to []*Node
This one of a set of changes to make the transition away from NodeList
easier by removing cases in which NodeList doesn't act semi-trivially like a
[]*Node.

This CL was originally prepared by Josh Bleecher Snyder <josharian@gmail.com>.

This change passes go build -toolexec 'toolstash -cmp' -a std.

Change-Id: I4d041b343952f4a31f3150fd70669e08fcaa74f8
Reviewed-on: https://go-review.googlesource.com/14305
Run-TryBot: Dave Cheney <dave@cheney.net>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Brad Fitzpatrick <bradfitz@golang.org>
2015-09-06 23:50:51 +00:00

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Go

// 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