From: Chris Manghane <cmang@golang.org>
Date: Tue, 18 Mar 2014 03:26:19 +0000 (-0700)
Subject: cmd/gc: fix error check for self-referential array type.
X-Git-Tag: go1.3beta1~335
X-Git-Url: http://www.git.cypherpunks.su/?a=commitdiff_plain;h=8a511cccb59d1004122004253fca79d1000a7eb7;p=gostls13.git

cmd/gc: fix error check for self-referential array type.

LGTM=gri, iant
R=gri, iant
CC=golang-codereviews
https://golang.org/cl/75920044
---

diff --git a/test/fixedbugs/issue7525.go b/test/fixedbugs/issue7525.go
new file mode 100644
index 0000000000..4e1d88aab0
--- /dev/null
+++ b/test/fixedbugs/issue7525.go
@@ -0,0 +1,19 @@
+// errorcheck
+
+// Copyright 2014 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 7525: self-referential array types.
+
+package main
+
+import "unsafe"
+
+var x struct {
+	a [unsafe.Sizeof(x.a)]int // ERROR "array bound|typechecking loop|invalid expression"
+	b [unsafe.Offsetof(x.b)]int // ERROR "array bound"
+	c [unsafe.Alignof(x.c)]int // ERROR "array bound|invalid expression"
+	d [len(x.d)]int // ERROR "array bound|invalid array"
+	e [cap(x.e)]int // ERROR "array bound|invalid array"
+}