Yes. I use an agent so it can have trigger a deoptimization
even if I don't understand why ?
Rémi
Le 03/03/2011 09:36, Christian Thalinger a écrit :
> On Mar 2, 2011, at 5:26 PM, Rémi Forax wrote:
>> The VM (jdk7b131 linux 64bits) crashes once when running:
>> java -XX:+UnlockExperimentalVMOptions -XX:+EnableInvokeDynamic -cp .
>> Megamorphic2
>>
>> The weird thing is even if I'm not able to reproduce the crash anymore.
> This could be a duplicate of:
>
> 6990266: JSR 292 VM crash in Klass::is_subclass_of()
>
> I try to reproduce it.
>
> -- Christian
>
>> I join the classes:
>> Megamorphic* classes are in .
>> and RT.class is in jsr335/lambda/optimizer/
>>
>> Moreover, it doesn't work as expected and I get a weird error message:
>> Exception in thread "main" java.lang.IllegalStateException: no bootstrap
>> method found for invokedynamic
>> at Megamorphic2.test(Megamorphic2.java:60)
>> at Megamorphic2.main(Megamorphic2.java:52)
>>
>> Megamorphic2.class contains three invokedynamic calls in test():
>> private static void test(Mapper<Object, Object> mapper1, Mapper<Object,
>> Object> mapper2, Mapper<Object, Object> mapper3, ArrayList<Object> list)
>> throws Throwable {
>> bar(list, mapper1);
>> bar(list, mapper2);
>> bar(list, mapper3);
>> }
>>
>> The first one is resolved correctly but the next one throw the
>> IllegalStateException.
>>
>> For the curious, I'm working to create an agent to optimize lambda calls :)
>
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