Crash with "assert(number_of_codes <= 256) failed: too many bytecodes"
karen.kinnear at oracle.com
Fri Jul 28 14:07:03 UTC 2017
Frederic said that he would work on the cleaner vgetfield removal when he gets back if that is helpful - he was hoping
to work on it with you - since it obviously needs JIT changes as well.
> On Jul 28, 2017, at 9:29 AM, Maurizio Cimadamore <maurizio.cimadamore at oracle.com> wrote:
> Whohoo - thanks for looking after my breakages :-)
> On 28/07/17 13:56, Tobias Hartmann wrote:
>> All tests passed. I've pushed the changes.
>> With Mandy's fix for 8185148, the repo should be stable again.
>> Best regards,
>> On 28.07.2017 11:20, Tobias Hartmann wrote:
>>> On 28.07.2017 10:57, Tobias Hartmann wrote:
>>>> (2) Oop map generation is broken because there is no way to determine if the _getfield bytecode accesses a value type field.
>>>> -> I had to temporarily disable verification. See changes in generateOopMap.cpp/hpp. Checking itr->raw_code() == Bytecodes::_vgetfield is not sufficient and also a constant pool lookup does not work in all cases.
>>>> Any ideas on how to fix this?
>>> Okay, using the 'CellTypeState::refOrValueType' hack should do the job:
>>> Best regards,
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