[GROOVY-4974] Bounded generics do not work with inheritance

• Type: Bug
• Status: Closed
• Priority: Major
• Resolution: Fixed
• Fix Version/s: 1.8.3, 1.9-beta-4
• Component/s: Compiler
• Assignee: Paul King
• Reporter: Dimitar Dimitrov
• Created: 13/Aug/11 05:46
• Updated: 14/Oct/11 00:28
• Resolved: 12/Sep/11 20:51

Description

The following code works in Java, but fails to compile in Groovy - looks like unintentional:

public class TestGenerics { 
    static interface Z {} 
    static class X implements Z {} 
    static class Y extends X {} 

    static class A <T extends Z> { void a(T t) { System.out.println(t); } } 
    static class B extends A<Y> {} 
    static class C extends A<X> {} 

    public static void main(String[] args) { 
        new C().a(new Y()); 
    } 
}