Possible bug

Christian Thalinger christian.thalinger at oracle.com
Fri Mar 18 05:49:38 PDT 2011


On Mar 18, 2011, at 11:01 AM, Howard Lovatt wrote:
> Yes, it is a file I am using to learn/experiment with lambdas.

I don't have a lambda capable javac at hand so let's wait if this problem solves itself :-)

-- Christian

> 
> On 18 March 2011 20:31, Christian Thalinger
> <christian.thalinger at oracle.com> wrote:
>> On Mar 17, 2011, at 11:12 PM, Howard Lovatt wrote:
>>> Hi Christian,
>>> 
>>> Thanks for looking into this bug. It is possible that the bug is due
>>> to a problem of building MLVM on a Mac since there are ongoing
>>> discussions between John Rose and Stephen Bannasch at the moment.
>>> 
>>> May I suggest that we wait until the build problems are sorted before
>>> looking further into this. Incase you want to proceed anyway I have
>>> attached my test files.
>> 
>> Sure.  I quickly tried to build your files but it seems they use lambda syntax, right?
>> 
>> -- Christian
>> 
>>> 
>>> Thanks again,
>>> 
>>> -- Howard.
>>> 
>>> On 17 March 2011 23:43, Christian Thalinger
>>> <christian.thalinger at oracle.com> wrote:
>>>> On Mar 14, 2011, at 2:28 PM, Christian Thalinger wrote:
>>>>> On Mar 7, 2011, at 10:15 AM, Howard Lovatt wrote:
>>>>>> Hi,
>>>>>> 
>>>>>> I got the following when trying to use CallSites on Stephen Bannasch's
>>>>>> latest build (which isn't the latest latest build and therefore this
>>>>>> issue might have been found already):
>>>>>> 
>>>>>> # To suppress the following error report, specify this argument
>>>>>> # after -XX: or in .hotspotrc:  SuppressErrorAt=/resourceArea.hpp:73
>>>>>> #
>>>>>> # A fatal error has been detected by the Java Runtime Environment:
>>>>>> #
>>>>>> #  Internal Error
>>>>>> (/Users/stephen/dev/java/src/mlvm/sources/hotspot/src/share/vm/memory/resourceArea.hpp:73),
>>>>>> pid=57545, tid=4298117120
>>>>>> #  fatal error: memory leak: allocating without ResourceMark
>>>>> 
>>>>> 
>>>>> I haven't seen that one before.  I took a quick look and it seems MethodHandles::verify_*MethodHandle methods could use a ResourceMark.
>>>>> 
>>>>> I will try to reproduce the assert and file a bug.
>>>> 
>>>> Creating a new MutableCallSite object doesn't lead to that assert for me.  Could you send me a testcase (preferably a small one) that fails for your?
>>>> 
>>>> -- Christian
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>> 
>> 
>> 
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