RFR 8082782: vm crash on StressRedefineWithoutBytecodeCorruption fails with assert(((Metadata*)obj)->is_, valid()) failed: obj is valid

[serguei.spitsyn at oracle.com]

Coleen,

The fix looks good.
I'm not sure the changes in the CompileQueue::get() are really needed 
though.


Thanks,
Serguei


On 7/22/15 9:20 AM, Coleen Phillimore wrote:
> Summary: Walk compile task for Method* to not deallocate, store 
> methods in methodHandle while compile task is being created
>
> I couldn't reproduce this or write a test with the exact timing needed 
> to get this crash, but this is what the stack trace and code 
> inspection tells me what happened.  Reran all redefinition and 
> internal tonga 'quick' tests on the change with no regression.
>
> open webrev at http://cr.openjdk.java.net/~coleenp/8082782.01/
> bug link https://bugs.openjdk.java.net/browse/JDK-8082782
>
> Thanks,
> Coleen