8072008: Emit direct call instead of linkTo* for recursive indy/MH.invoke* calls

Reviewed-by: jrose, dlong, aph, forax

test/lib/sun/hotspot/WhiteBox.java

@@ -32,6 +32,7 @@ import java.util.function.BiFunction;
 import java.util.function.Function;
 import java.security.BasicPermission;
 import java.util.Objects;
+import jdk.internal.HotSpotIntrinsicCandidate;
 
 import sun.hotspot.parser.DiagnosticCommand;
 
@@ -170,6 +171,9 @@ public class WhiteBox {
   public native boolean shouldPrintAssembly(Executable method);
   public native int     deoptimizeFrames(boolean makeNotEntrant);
   public native void    deoptimizeAll();
+
+  @HotSpotIntrinsicCandidate
+  public        void    deoptimize() {}
   public        boolean isMethodCompiled(Executable method) {
     return isMethodCompiled(method, false /*not osr*/);
   }
@@ -304,6 +308,8 @@ public class WhiteBox {
   }
   public native Object[] getCodeBlob(long addr);
 
+  public native void clearInlineCaches();
+
   // Intered strings
   public native boolean isInStringTable(String str);