[fixes #880] get rid of an unchecked cast warning for @Getter(lazy=true)

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

@@ -0,0 +1,44 @@
+class GetterLazyGenerics<E> {
+  private final @lombok.Getter(lazy = true) java.util.concurrent.atomic.AtomicReference<java.lang.Object> field = new java.util.concurrent.atomic.AtomicReference<java.lang.Object>();
+  private final @lombok.Getter(lazy = true) java.util.concurrent.atomic.AtomicReference<java.lang.Object> field2 = new java.util.concurrent.atomic.AtomicReference<java.lang.Object>();
+  GetterLazyGenerics() {
+    super();
+  }
+  public static <E>E getAny() {
+    return null;
+  }
+  public @java.lang.SuppressWarnings({"all", "unchecked"}) E getField() {
+    java.lang.Object value = this.field.get();
+    if ((value == null))
+        {
+          synchronized (this.field)
+            {
+              value = this.field.get();
+              if ((value == null))
+                  {
+                    final E actualValue = getAny();
+                    value = ((actualValue == null) ? this.field : actualValue);
+                    this.field.set(value);
+                  }
+            }
+        }
+    return (E) ((value == this.field) ? null : value);
+  }
+  public @java.lang.SuppressWarnings({"all", "unchecked"}) long getField2() {
+    java.lang.Object value = this.field2.get();
+    if ((value == null))
+        {
+          synchronized (this.field2)
+            {
+              value = this.field2.get();
+              if ((value == null))
+                  {
+                    final long actualValue = System.currentTimeMillis();
+                    value = actualValue;
+                    this.field2.set(value);
+                  }
+            }
+        }
+    return (java.lang.Long) value;
+  }
+}