cmd/gc: Don't export embedded builtins
Fixes #4124.
R=golang-dev, dave, minux.ma, remyoudompheng, rsc
CC=golang-dev
https://golang.org/cl/6543057
diff --git a/test/fixedbugs/bug461.go b/test/fixedbugs/bug461.go
new file mode 100644
index 0000000..f0f7b0e6
--- /dev/null
+++ b/test/fixedbugs/bug461.go
@@ -0,0 +1,23 @@
+// run
+
+// Copyright 2012 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.
+
+// part two of issue 4124. Make sure reflect doesn't mark the field as exported.
+
+package main
+
+import "reflect"
+
+var T struct {
+ int
+}
+
+func main() {
+ v := reflect.ValueOf(&T)
+ v = v.Elem().Field(0)
+ if v.CanSet() {
+ panic("int should be unexported")
+ }
+}
