speedup

platform/util/src/com/intellij/util/concurrency/AtomicFieldUpdater.java

@@ -35,14 +35,16 @@ import java.lang.reflect.Modifier;
  * - new methods "forFieldXXX" added that search by field type instead of field name, which is useful in scrambled classes
  */
 public class AtomicFieldUpdater<T,V> {
-  private static final Unsafe unsafe = getUnsafe();
-
-  @NotNull
-  public static Unsafe getUnsafe() {
-    Unsafe unsafe = ReflectionUtil.getStaticFieldValue(Unsafe.class, Unsafe.class, "theUnsafe");
+  private static final Unsafe unsafe;
+  static {
+    unsafe = ReflectionUtil.getStaticFieldValue(Unsafe.class, Unsafe.class, "theUnsafe");
     if (unsafe == null) {
       throw new RuntimeException("Could not find 'theUnsafe' field in the " + Unsafe.class);
     }
+  }
+
+  @NotNull
+  public static Unsafe getUnsafe() {
     return unsafe;
   }