forEach broken in build 48?

[Mike Duigou]

I've looked into the problem and am able to replicate it. I did some debugging and it appears to be a problem in the VM. I am notifying those working on this area.

Mike


On Jul 21 2012, at 01:39 , Arul Dhesiaseelan wrote:

> Hi,
> 
> It looks like forEach is broke in the latest build. It always prints the
> last item in the collection. It works fine in b45. It works in b48 only if
> we expand the code, not if we perform method reference on an instance.
> 
> public class InstanceMethodReference {
> 
>    public static void main(String[] args) {
>        Arrays.asList("Alice", "Bob", "Charlie",
> "Dave").forEach(System.out::println);//INCORRECT RESULT
>        Arrays.asList("Alice", "Bob", "Charlie", "Dave").forEach(new
> MyBlock(System.out));//CORRECT RESULT
>    }
> 
>    public static class MyBlock implements Block<String> {
>        PrintStream ps;
> 
>        public MyBlock(PrintStream ps) {
>            this.ps = ps;
>        }
> 
>        @Override
>        public void apply(String s) {
>            ps.println(s);
>        }
>    }
> }
> 
> build45 correctly prints:
> Alice
> Bob
> Charlie
> Dave
> Alice
> Bob
> Charlie
> Dave
> 
> build48 prints:
> Dave
> Dave
> Dave
> Dave
> Alice
> Bob
> Charlie
> Dave
> 
> 
> -Arul
>