build: separate compiler and libs

compiler/cl/_testgo/goroutine/in.go

@@ -0,0 +1,13 @@
+package main
+
+func main() {
+	done := false
+	go println("hello")
+	go func(s string) {
+		println(s)
+		done = true
+	}("Hello, goroutine")
+	for !done {
+		print(".")
+	}
+}