gc: diagnose field+method of same name
Fixes #2828.
R=ken2
CC=golang-dev
https://golang.org/cl/5653065
diff --git a/test/fixedbugs/bug416.go b/test/fixedbugs/bug416.go
new file mode 100644
index 0000000..cc6d4a9
--- /dev/null
+++ b/test/fixedbugs/bug416.go
@@ -0,0 +1,13 @@
+// errchk $G $D/$F.go
+
+// 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.
+
+package p
+
+type T struct {
+ X int
+}
+
+func (t *T) X() {} // ERROR "type T has both field and method named X"
