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-rw-r--r--test/interface/convert1.go24
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diff --git a/test/interface/convert1.go b/test/interface/convert1.go
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+// run
+
+// 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.
+
+// Test static interface conversion of interface value nil.
+
+package main
+
+type R interface { R() }
+type RW interface { R(); W() }
+
+var e interface {}
+var r R
+var rw RW
+
+func main() {
+ r = r
+ r = rw
+ e = r
+ e = rw
+ rw = rw
+}