Invoke function bytecode with direct-linking in clojure 1.8

test_direct_linking.txt

(-> 1 double square)  ;;=>  4

public final class user$eval5993 extends clojure/lang/AFunction  {

  // compiled from: NO_SOURCE_FILE
  // debug info: SMAP
NO_SOURCE_FILE.java
Clojure
*S Clojure
*F
+ 1 NO_SOURCE_FILE
NO_SOURCE_PATH
*L
0#1,1:0
*E

  // access flags 0x1
  public <init>()V
   L0
    LINENUMBER 5 L0
   L1
    ALOAD 0
    INVOKESPECIAL clojure/lang/AFunction.<init> ()V
   L2
    RETURN
    MAXSTACK = 0
    MAXLOCALS = 0

  // access flags 0x9
  public static invokeStatic()Ljava/lang/Object;
   L0
    LINENUMBER 5 L0
    GETSTATIC user$eval5993.const__2 : Ljava/lang/Object;
    INVOKESTATIC user$double.invokeStatic (Ljava/lang/Object;)Ljava/lang/Object;
    INVOKESTATIC user$square.invokeStatic (Ljava/lang/Object;)Ljava/lang/Object;
   L1
    ARETURN
    MAXSTACK = 0
    MAXLOCALS = 0

  // access flags 0x1
  public invoke()Ljava/lang/Object;
   L0
    LINENUMBER 5 L0
    INVOKESTATIC user$eval5993.invokeStatic ()Ljava/lang/Object;
    ARETURN
    MAXSTACK = 0
    MAXLOCALS = 0

  // access flags 0x19
  public final static Ljava/lang/Object; const__2

  // access flags 0x9
  public static <clinit>()V
   L0
    LINENUMBER 5 L0
    LCONST_1
    INVOKESTATIC java/lang/Long.valueOf (J)Ljava/lang/Long;
    PUTSTATIC user$eval5993.const__2 : Ljava/lang/Object;
    RETURN
    MAXSTACK = 0
    MAXLOCALS = 0
}