diff --git a/test/fixedbugs/bug504.dir/a.go b/test/fixedbugs/bug504.dir/a.go
new file mode 100644
index 0000000000..ac0be937ab
--- /dev/null
+++ b/test/fixedbugs/bug504.dir/a.go
@@ -0,0 +1,7 @@
+// Copyright 2017 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 a
+
+type MyInt = int
diff --git a/test/fixedbugs/bug504.dir/b.go b/test/fixedbugs/bug504.dir/b.go
new file mode 100644
index 0000000000..e8f8da9af8
--- /dev/null
+++ b/test/fixedbugs/bug504.dir/b.go
@@ -0,0 +1,11 @@
+// Copyright 2017 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 b
+
+import "./a"
+
+func F() a.MyInt {
+	return 0
+}
diff --git a/test/fixedbugs/bug504.dir/c.go b/test/fixedbugs/bug504.dir/c.go
new file mode 100644
index 0000000000..5a6e889905
--- /dev/null
+++ b/test/fixedbugs/bug504.dir/c.go
@@ -0,0 +1,9 @@
+// Copyright 2017 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 c
+
+import "./b"
+
+var V = b.F()
diff --git a/test/fixedbugs/bug504.dir/main.go b/test/fixedbugs/bug504.dir/main.go
new file mode 100644
index 0000000000..bdbd95c7a3
--- /dev/null
+++ b/test/fixedbugs/bug504.dir/main.go
@@ -0,0 +1,11 @@
+// Copyright 2017 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
+
+import "./c"
+
+func main() {
+	println(c.V)
+}
diff --git a/test/fixedbugs/bug504.go b/test/fixedbugs/bug504.go
new file mode 100644
index 0000000000..ae1f2e52d8
--- /dev/null
+++ b/test/fixedbugs/bug504.go
@@ -0,0 +1,10 @@
+// compiledir
+
+// Copyright 2017 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.
+
+// Gccgo mishandled a reference to a type alias in a package that was
+// not directly imported.
+
+package ignored