-- src.go --
package main
func main() {
    f := func() { print() }
    f()
}
-- want --
B0: ExKindStmt, CFG block .0
	f := func() { print() }
	succs: B1

B1: ExKindSubExpr, CFG block .0
	f()
	succs: B2

B2: ExKindStmt, CFG block .0
	B1
	succs: B3

B3: ExKindStmt, CFG block .0
	return