build: separate compiler and libs

compiler/cl/_testdefer/firstloop1/in.go

@@ -0,0 +1,16 @@
+package foo
+
+func f(s string) bool {
+	return len(s) > 2
+}
+
+func Loop() {
+	for i := 0; i < 3; i++ {
+		if s := "hello"; f(s) {
+			defer println(s)
+		} else {
+			defer println("world")
+			return
+		}
+	}
+}

compiler/cl/_testdefer/firstloop1/out.txt

@@ -0,0 +1,7 @@
+ 0: always
+ 6: cond
+ 1: loop
+ 2: loop
+ 4: loop
+ 3: cond
+ 5: cond