src/java.base/share/classes/java/lang/invoke/DelegatingMethodHandle.java

rev 47249 : 8187826: Avoid using reflection to bootstrap NamedFunctions
Reviewed-by: TBD

@@ -26,10 +26,11 @@
 package java.lang.invoke;
 
 import java.util.Arrays;
 import static java.lang.invoke.LambdaForm.*;
 import static java.lang.invoke.LambdaForm.Kind.*;
+import static java.lang.invoke.MethodHandleNatives.Constants.REF_invokeVirtual;
 import static java.lang.invoke.MethodHandleStatics.*;
 
 /**
  * A method handle whose invocation behavior is determined by a target.
  * The delegating MH itself can hold extra "intentions" beyond the simple behavior.

@@ -156,12 +157,15 @@
     }
 
     static final NamedFunction NF_getTarget;
     static {
         try {
-            NF_getTarget = new NamedFunction(DelegatingMethodHandle.class
-                                             .getDeclaredMethod("getTarget"));
+            MemberName member = new MemberName(DelegatingMethodHandle.class, "getTarget",
+                    MethodType.methodType(MethodHandle.class), REF_invokeVirtual);
+            NF_getTarget = new NamedFunction(
+                    MemberName.getFactory()
+                            .resolveOrFail(REF_invokeVirtual, member, DelegatingMethodHandle.class, NoSuchMethodException.class));
         } catch (ReflectiveOperationException ex) {
             throw newInternalError(ex);
         }
         // The Holder class will contain pre-generated DelegatingMethodHandles resolved
         // speculatively using MemberName.getFactory().resolveOrNull. However, that