diff --git a/go/internal/gccgoimporter/testdata/alias.gox b/go/internal/gccgoimporter/testdata/alias.gox
new file mode 100644
index 0000000000..ced7d84c4f
--- /dev/null
+++ b/go/internal/gccgoimporter/testdata/alias.gox
@@ -0,0 +1,4 @@
+v1;
+package alias;
+pkgpath alias;
+type <type 115 "I1" <type 116 interface { M1 (? <type 117 "IntAlias2" = <type 118 "IntAlias" = <type 119 "Int" <type -11>>>>) < type 114>; M2 () <type 1>; }>>;