6863465: javac doesn't detect circular subclass dependencies via qualified names
Summary: class inheritance circularity check should look at trees, not just symbols
Reviewed-by: jjg
/**
* @test /nodynamiccopyright/
* @bug 6863465
* @summary javac doesn't detect circular subclass dependencies via qualified names
* @author Maurizio Cimadamore
* @compile/fail/ref=T6863465a.out -XDrawDiagnostics T6863465a.java
*/
class T6863465a {
static class a { static interface b {} }
static class c extends a implements z.y {}
static class x { static interface y {} }
static class z extends x implements c.b {}
}