1 files changed, 19 insertions, 0 deletions
diff --git a/test/fixedbugs/issue12413.go b/test/fixedbugs/issue12413.go
new file mode 100644
index 0000000..a054765
--- /dev/null
+++ b/test/fixedbugs/issue12413.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 12413: invalid variable name x in type switch: code would fail
+// to compile if the variable used in the short variable declaration was
+// previously declared as a constant.
+
+package main
+
+func main() {
+	const x = 42
+	switch x := interface{}(nil).(type) {
+	default:
+		_ = x
+	}
+}