KT-4825 Implement "synchronized" properly via monitorenter/monitorexit

#KT-4825 Fixed

core/runtime.jvm/src/kotlin/jvm/internal/Intrinsics.java

@@ -20,6 +20,7 @@ import kotlin.Function0;
 import kotlin.IntRange;
 import kotlin.KotlinNullPointerException;
 
+import java.lang.Deprecated;
 import java.util.ArrayList;
 import java.util.Arrays;
 import java.util.HashSet;
@@ -87,6 +88,8 @@ public class Intrinsics {
         return new IntRange(0, length - 1);
     }
 
+    // TODO: remove this function when ABI version is advanced
+    @Deprecated // A better implementation of synchronized is used now
     public static <R> R stupidSync(Object lock, Function0<R> block) {
         synchronized (lock) {
             return block.invoke();