type switch bug involving function parameter names
R=ken
OCL=34232
CL=34232
diff --git a/test/fixedbugs/bug200.go b/test/fixedbugs/bug200.go
new file mode 100644
index 0000000..123f687
--- /dev/null
+++ b/test/fixedbugs/bug200.go
@@ -0,0 +1,19 @@
+// errchk $G $D/$F.go
+
+// 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
+
+func main() {
+ // 6g used to compile these as two different
+ // hash codes so it missed the duplication
+ // and worse, compiled the wrong code
+ // for one of them.
+ var x interface{};
+ switch v := x.(type) {
+ case func(int):
+ case func(f int): // ERROR "duplicate"
+ }
+}
