build: separate compiler and libs

cl/_testgo/strucintf/in.go

@@ -1,27 +0,0 @@
-package main
-
-import "github.com/goplus/llgo/cl/internal/foo"
-
-func Foo() any {
-	return struct{ v int }{1}
-}
-
-func main() {
-	v := Foo()
-	if x, ok := v.(struct{ v int }); ok {
-		println(x.v)
-	} else {
-		println("Foo: not ok")
-	}
-	bar := foo.Bar()
-	if x, ok := bar.(struct{ V int }); ok {
-		println(x.V)
-	} else {
-		println("Bar: not ok")
-	}
-	if x, ok := foo.F().(struct{ v int }); ok {
-		println(x.v)
-	} else {
-		println("F: not ok")
-	}
-}