RFR: JDK-8025636 Hide lambda proxy frames in stacktraces

[Staffan Larsen]

> On 17 feb 2015, at 02:16, John Rose <john.r.rose at oracle.com> wrote:
> 
> On Feb 16, 2015, at 6:25 AM, Staffan Larsen <staffan.larsen at oracle.com <mailto:staffan.larsen at oracle.com>> wrote:
>> 
>> new webrev: http://cr.openjdk.java.net/~sla/8025636/webrev.02/ <http://cr.openjdk.java.net/~sla/8025636/webrev.02/>
> Looks good; ship it.

Thanks.

> 
> To me this fix raises more questions:
> 
> 1. Are there other places where we generate ACC_SYNTHETIC that should also get @Hidden annotations?
> 
> 2. Should the JVM be filtering stack frames for ACC_SYNTHETIC (or ACC_BRIDGE or ACC_MANDATED) calls?  (By default?  Or perhaps as a new option?)

The first shot at fixing this bug was to filter out ACC_SYNTHETIC. The drawback was that the actual lambda method are marked ACC_SYNTHETIC, so that filtered too much.

/Staffan

> 
> 3. When will we have a reasonable stack walking mechanism where we can program such policies in JDK library code, instead of hacking the JVM?
> 
> — John
> 
> P.S.  https://bugs.openjdk.java.net/browse/JDK-8043814 <https://bugs.openjdk.java.net/browse/JDK-8043814>
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://mail.openjdk.java.net/pipermail/compiler-dev/attachments/20150217/22c30250/attachment.html>