go/test/fixedbugs/issue22904.go
Matthew Dempsky 71a9c4430f cmd/compile: fix infinite recursion in isdirectiface
Fixes #22904.

Change-Id: Id504504eda7275c10d3c665add8b7ccd23f65820
Reviewed-on: https://go-review.googlesource.com/80301
Run-TryBot: Matthew Dempsky <mdempsky@google.com>
Reviewed-by: Emmanuel Odeke <emm.odeke@gmail.com>
Reviewed-by: Brad Fitzpatrick <bradfitz@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>
2017-11-28 21:58:16 +00:00

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Go

// errorcheck
// Copyright 2017 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.
// Issue 22904: Make sure the compiler emits a proper error message about
// invalid recursive types rather than crashing.
package p
type a struct{ b }
type b struct{ a } // ERROR "invalid recursive type"
var x interface{}
func f() {
x = a{}
}