From 7de48834122bda8b3ba1d52025eb53bdf19f1718 Mon Sep 17 00:00:00 2001
From: Rob Pike <r@golang.org>
Date: Thu, 25 Jun 2009 18:44:28 -0700
Subject: [PATCH] cannot have interfaces refer to themselves as map keys

R=rsc
DELTA=11  (11 added, 0 deleted, 0 changed)
OCL=30774
CL=30774
---
 test/bugs/bug165.go | 11 +++++++++++
 test/golden.out     |  4 ++++
 2 files changed, 15 insertions(+)
 create mode 100644 test/bugs/bug165.go

diff --git a/test/bugs/bug165.go b/test/bugs/bug165.go
new file mode 100644
index 0000000000..02a6c379b4
--- /dev/null
+++ b/test/bugs/bug165.go
@@ -0,0 +1,11 @@
+// errchk $G $D/$F.go
+
+// Copyright 2009 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.
+
+package main
+
+type I interface {
+	m(map[I] bool)
+}
diff --git a/test/golden.out b/test/golden.out
index 695a68cd41..09ac96269a 100644
--- a/test/golden.out
+++ b/test/golden.out
@@ -111,6 +111,10 @@ BUG: should not compile
 =========== bugs/bug164.go
 BUG: should not compile
 
+=========== bugs/bug165.go
+bugs/bug165.go:6: invalid map key type I
+BUG: should compile
+
 =========== fixedbugs/bug016.go
 fixedbugs/bug016.go:7: constant -3 overflows uint
 
-- 
2.48.1