diff --git a/test/fixedbugs/issue10047.go b/test/fixedbugs/issue10047.go
new file mode 100644
index 0000000000..1cb9c240c9
--- /dev/null
+++ b/test/fixedbugs/issue10047.go
@@ -0,0 +1,19 @@
+// compile
+
+// Copyright 2015 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.
+
+// Issue 10047: gccgo failed to compile a type switch where the switch variable
+// and the base type of a case share the same identifier.
+
+package main
+
+func main() {
+	type t int
+	var p interface{}
+	switch t := p.(type) {
+	case t:
+		_ = t
+	}
+}