Initial commit: Go 1.23 release state

test/fixedbugs/bug201.go

@@ -0,0 +1,48 @@
+// 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.
+
+package main
+
+type T1 struct {
+	x, y int
+}
+type T2 struct {
+	z, w byte
+}
+type T3 T1
+
+type MyInt int
+
+func (MyInt) m(*T1) {}
+
+func main() {
+	{
+		var i interface{} = new(T1)
+		_, ok1 := i.(*T1)
+		_, ok2 := i.(*T2)
+		_, ok3 := i.(*T3)
+		if !ok1 || ok2 || ok3 {
+			println("*T1", ok1, ok2, ok3)
+			panic("fail")
+		}
+	}
+	{
+		var i interface{} = MyInt(0)
+		_, ok1 := i.(interface {
+			m(*T1)
+		})
+		_, ok2 := i.(interface {
+			m(*T2)
+		})
+		_, ok3 := i.(interface {
+			m(*T3)
+		})
+		if !ok1 || ok2 || ok3 {
+			println("T", ok1, ok2, ok3)
+			panic("fail")
+		}
+	}
+}