hg: mlvm/mlvm/hotspot: indy: fix GC bug by reworking treatment of constant pool indices

[Charles Oliver Nutter]

>From within sources/hotspot, do "hg log | less" and copy the first
block that isn't an applied patchset.

On Tue, Jul 7, 2009 at 2:45 PM, Attila Szegedi<szegedia at gmail.com> wrote:
> Incidentally, I just built it today after a full hg fpull/fupdate, and
> Rémi's example from his backport runs with it. This is actually first
> time I observed running invokedynamic live on my own machine
> (exciting!).
>
> Gimme a command line for retrieving the changeset etc. information
> (I'm a relative hg newbie) and I'll tell you what does it print for me.
>
> Attila.
>
> On 2009.07.07., at 21:04, Charles Oliver Nutter wrote:
>
>> Incidentally, what rev is someone's working MLVM bsd-port at? Mine
>> is at:
>>
>> changeset:   854:11a78e401465
>> tag:         qparent
>> parent:      819:0ccf04929cc7
>> parent:      853:8754a3c37762
>> user:        glewis at misty.eyesbeyond.com
>> date:        Sun Jun 28 18:38:43 2009 -0700
>> summary:     . Merge in changes from main OpenJDK repository.
>>
>> I tried fpull and fupdate of all my bsd-port, reapplied patches, and
>> did a clean build...no love :(
>>
>> On Tue, Jul 7, 2009 at 1:18 PM, Charles Oliver
>> Nutter<headius at headius.com> wrote:
>>> On Tue, Jul 7, 2009 at 4:16 AM, Christian
>>> Thalinger<Christian.Thalinger at sun.com> wrote:
>>>> That looks good too.  Is this the command you executed (I think I
>>>> read
>>>> it correctly from the error):
>>>>
>>>> $ jruby -Djruby.compile.invokedynamic=true -XX:
>>>> +EnableInvokeDynamic -d
>>>> -e puts 1
>>>>
>>>> Because that works for me.  Well, it does not print anything, as I
>>>> supposed, but it does not crash.
>>>
>>> You're missing the -J in front of those JVM options, but yes, it
>>> crashes for me:
>>>
>>> ➔ jruby -J-Djruby.compile.invokedynamic=true
>>> -J-XX:+EnableInvokeDynamic -e puts 1
>>> #
>>> # A fatal error has been detected by the Java Runtime Environment:
>>> #
>>> #  SIGSEGV (0xb) at pc=0x011a4d7a, pid=39691, tid=2954375168
>>> #
>>> # JRE version: 7.0
>>> # Java VM: OpenJDK Client VM (16.0-b03 mixed mode bsd-x86 )
>>> # Problematic frame:
>>> # V  [libjvm.dylib+0x1a4d7a]
>>> #
>>> # An error report file with more information is saved as:
>>> # /Users/headius/projects/jruby/hs_err_pid39691.log
>>> #
>>> # If you would like to submit a bug report, please visit:
>>> #   http://java.sun.com/webapps/bugreport/crash.jsp
>>> #
>>> Abort trap
>>>
>>> It *also* crashes without invokedynamic, as in "jruby -e puts 1" or
>>> "jruby -v".
>>>
>>> Maybe my bsd-port is behind? I'll try updating it and see.
>>>
>>> - Charlie
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