8231826: Implement javac changes for pattern matching for instanceof
Reviewed-by: mcimadamore
Contributed-by: brian.goetz@oracle.com, gavin.bierman@oracle.com, maurizio.cimadamore@oracle.com, srikanth.adayapalam@oracle.com, vicente.romero@oracle.com, jan.lahoda@oracle.com
/*
* @test /nodynamiccopyright/
* @bug 8231827
* @summary Verify behavior w.r.t. non-reifiable types in instanceof
* @compile/fail/ref=ReifiableOld-old.out -source 13 -Xlint:-options -XDrawDiagnostics ReifiableOld.java
* @compile/fail/ref=ReifiableOld-old.out -source ${jdk.version} -XDrawDiagnostics ReifiableOld.java
* @compile/fail/ref=ReifiableOld.out --enable-preview -source ${jdk.version} -XDrawDiagnostics ReifiableOld.java
*/
public class ReifiableOld implements ReifiableOldI {
private static boolean test(Object o, List<ReifiableOld> l1, List<String> l2) {
return o instanceof ListImpl<ReifiableOld> &&
l1 instanceof ListImpl<ReifiableOld> &&
l2 instanceof ListImpl<ReifiableOld> &&
l2 instanceof ListImpl<String> &&
l1 instanceof Unrelated<ReifiableOld>;
}
public class List<T> {}
public class ListImpl<T extends ReifiableOldI> extends List<T> {}
public class Unrelated<T> {}
}
interface ReifiableOldI {}