1 files changed, 13 insertions, 0 deletions
diff --git a/test/fixedbugs/issue28058.go b/test/fixedbugs/issue28058.go
new file mode 100644
index 0000000..d8206e7
--- /dev/null
+++ b/test/fixedbugs/issue28058.go
@@ -0,0 +1,13 @@
+// errorcheck
+
+// Copyright 2018 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 14988: declaring a map with an invalid key type should not cause a
+//              fatal panic.
+
+package main
+
+var x map[func()]int // ERROR "invalid map key type"
+var X map[func()]int // ERROR "invalid map key type"