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

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

*** 26,35 ****
--- 26,36 ----
  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.
*** 156,167 ****
      }
  
      static final NamedFunction NF_getTarget;
      static {
          try {
!             NF_getTarget = new NamedFunction(DelegatingMethodHandle.class
!                                              .getDeclaredMethod("getTarget"));
          } catch (ReflectiveOperationException ex) {
              throw newInternalError(ex);
          }
          // The Holder class will contain pre-generated DelegatingMethodHandles resolved
          // speculatively using MemberName.getFactory().resolveOrNull. However, that
--- 157,171 ----
      }
  
      static final NamedFunction NF_getTarget;
      static {
          try {
!             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