diff --git a/cl/_testcgo/typalias/in.go b/cl/_testcgo/typalias/in.go
new file mode 100644
index 00000000..273651f6
--- /dev/null
+++ b/cl/_testcgo/typalias/in.go
@@ -0,0 +1,25 @@
+package main
+
+import "C"
+import _ "unsafe"
+
+//go:linkname printf C.printf
+func printf(format *int8, __llgo_va_list ...any)
+
+type Foo = struct {
+	A  C.int
+	ok bool
+}
+
+var format = [...]int8{'H', 'e', 'l', 'l', 'o', ' ', '%', 'd', '\n', 0}
+
+func Print(p *Foo) {
+	if p.ok {
+		printf(&format[0], p.A)
+	}
+}
+
+func main() {
+	foo := &Foo{100, true}
+	Print(foo)
+}
diff --git a/cl/_testcgo/typalias/out.ll b/cl/_testcgo/typalias/out.ll
new file mode 100644
index 00000000..e69de29b
diff --git a/cl/compile_test.go b/cl/compile_test.go
index 671f8cba..036618a9 100644
--- a/cl/compile_test.go
+++ b/cl/compile_test.go
@@ -28,7 +28,7 @@ func testCompile(t *testing.T, src, expected string) {
 }
 
 func TestFromTestcgo(t *testing.T) {
-	cltest.FromDir(t, "", "./_testcgo", true)
+	cltest.FromDir(t, "typalias", "./_testcgo", true)
 }
 
 func TestFromTestdata(t *testing.T) {