SuperBuilder toBuilder: test with generics

test/transform/resource/before/SuperBuilderWithGenericsAndToBuilder.java

@@ -0,0 +1,18 @@
+import java.util.List;
+
+public class SuperBuilderWithGenericsAndToBuilder {
+	@lombok.experimental.SuperBuilder(toBuilder = true)
+	public static class Parent<A> {
+		A field1;
+		@lombok.Singular List<String> items;
+	}
+	
+	@lombok.experimental.SuperBuilder(toBuilder = true)
+	public static class Child<A> extends Parent<A> {
+		double field3;
+	}
+	
+	public static void test() {
+		Child<Integer> x = Child.<Integer>builder().field3(0.0).field1(5).item("").build().toBuilder().build();
+	}
+}