diff -r 611f6bfe7c30 -r a6e25566cb56 src/java.base/share/classes/java/lang/invoke/MutableCallSite.java
--- a/src/java.base/share/classes/java/lang/invoke/MutableCallSite.java	Tue Nov 26 13:50:26 2019 +0100
+++ b/src/java.base/share/classes/java/lang/invoke/MutableCallSite.java	Tue Nov 26 16:09:17 2019 +0300
@@ -152,7 +152,6 @@
      * @see #getTarget
      */
     @Override public void setTarget(MethodHandle newTarget) {
-        checkTargetChange(this.target, newTarget);
         setTargetNormal(newTarget);
     }