Initial commit: Go 1.23 release state

test/fixedbugs/bug324.dir/p.go

@@ -0,0 +1,15 @@
+// Copyright 2011 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 p
+
+type Exported interface {
+	private()
+}
+
+type Implementation struct{}
+
+func (p *Implementation) private() { println("p.Implementation.private()") }
+
+var X = new(Implementation)

test/fixedbugs/bug324.dir/prog.go

@@ -0,0 +1,53 @@
+// Copyright 2011 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
+
+import (
+	"./p"
+)
+
+type Exported interface {
+	private()
+}
+
+type Implementation struct{}
+
+func (p *Implementation) private() {}
+
+
+func main() {
+	// nothing unusual here
+	var x Exported
+	x = new(Implementation)
+	x.private()  //  main.Implementation.private()
+
+	// same here - should be and is legal
+	var px p.Exported
+	px = p.X
+	
+	// this assignment is correctly illegal:
+	//	px.private undefined (cannot refer to unexported field or method private)
+	// px.private()
+
+	// this assignment is correctly illegal:
+	//	*Implementation does not implement p.Exported (missing p.private method)
+	// px = new(Implementation)
+
+	// this assignment is correctly illegal:
+	//	p.Exported does not implement Exported (missing private method)
+	// x = px
+
+	// this assignment unexpectedly compiles and then executes
+	defer func() {
+		recover()
+	}()
+	x = px.(Exported)
+	
+	println("should not get this far")
+
+	// this is a legitimate call, but because of the previous assignment,
+	// it invokes the method private in p!
+	x.private()  // p.Implementation.private()
+}