[fixes #1443] Handle field initializer in diet mode

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

@@ -0,0 +1,19 @@
+import lombok.SneakyThrows;
+public class SneakyThrowsInInitializer {
+  public static final Runnable R = new Runnable() {
+    public @Override @SneakyThrows void run() {
+      try
+        {
+          System.out.println("test");
+        }
+      catch (final java.lang.Throwable $ex)
+        {
+          throw lombok.Lombok.sneakyThrow($ex);
+        }
+    }
+  };
+  <clinit>() {
+  }
+  public SneakyThrowsInInitializer() {
+  }
+}