diff --git a/test/fixedbugs/issue36085.dir/a.go b/test/fixedbugs/issue36085.dir/a.go
new file mode 100644
index 0000000000..07cabcd2cc
--- /dev/null
+++ b/test/fixedbugs/issue36085.dir/a.go
@@ -0,0 +1,3 @@
+package a
+
+type W = map[int32]interface{}
diff --git a/test/fixedbugs/issue36085.dir/b.go b/test/fixedbugs/issue36085.dir/b.go
new file mode 100644
index 0000000000..c5ee26970a
--- /dev/null
+++ b/test/fixedbugs/issue36085.dir/b.go
@@ -0,0 +1,8 @@
+package main
+
+import "a"
+
+var w a.W
+var X interface{} = &w
+
+func main() {}
diff --git a/test/fixedbugs/issue36085.go b/test/fixedbugs/issue36085.go
new file mode 100644
index 0000000000..69d4490fd5
--- /dev/null
+++ b/test/fixedbugs/issue36085.go
@@ -0,0 +1,11 @@
+// compiledir
+
+// Copyright 2019 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 36085: gccgo compiler did not generate type descriptor
+// for pointer to type alias defined in another package, causing
+// linking error.
+
+package ignored