[fixes #1443] Handle field initializer in diet mode

test/transform/resource/after-ecj/SynchronizedInInitializer.java

@@ -0,0 +1,16 @@
+import lombok.Synchronized;
+public class SynchronizedInInitializer {
+  public static final Runnable SYNCHRONIZED = new Runnable() {
+    private final java.lang.Object $lock = new java.lang.Object[0];
+    public @Override @Synchronized void run() {
+      synchronized (this.$lock)
+        {
+          System.out.println("test");
+        }
+    }
+  };
+  <clinit>() {
+  }
+  public SynchronizedInInitializer() {
+  }
+}