RFR (s) 8148772: VM crash in nsk/jvmti/RedefineClasses/StressRedefine: assert failed: Corrupted constant pool

[Coleen Phillimore]

Thanks Sergei,
Coleen

On 4/8/16 9:18 PM, serguei.spitsyn at oracle.com wrote:
> Coleen,
>
> The fix looks good.
>
> Thanks,
> Serguei
>
>
> On 4/8/16 14:06, Coleen Phillimore wrote:
>> Summary: ConstantPool::resolve_constant_at_impl() isn't thread safe 
>> for MethodHandleInError and MethodTypeInError.
>>
>> Need to ignore the InError tag when fetching method_handle_index and 
>> method_type_index.  The error is cached after the call to 
>> systemDictionary::link_method_handle_constant() if it's not there 
>> already.
>>
>> Tested with rbt equivalent of nightly runs, and StressRedefine test 
>> (reproduceable with this error) for >24 hours (also with 8151546 
>> fixed).  Ran jdk/test/java/lang/invoke tests.  I can't write a test 
>> for this because it's too timing sensitive.
>>
>> open webrev at http://cr.openjdk.java.net/~coleenp/8148772.01/webrev
>> bug link https://bugs.openjdk.java.net/browse/JDK-8148772
>>
>> Thanks,
>> Coleen
>>
>>
>>
>>
>>
>