testcode for pr112602

tests/bugs150/pr112602/GenericInterface.java

@@ -0,0 +1,5 @@
+public interface GenericInterface<O> {
+
+    public O doSomething(Class<? extends O> type);
+	
+}

tests/bugs150/pr112602/Implementation.java

@@ -0,0 +1,9 @@
+import java.util.Collection;
+
+public class Implementation implements GenericInterface<Collection<?>>{
+
+	public Collection<?> doSomething(Class<? extends Collection<?>> type) {
+		return null;
+	}
+
+}