[14] RFR(S): 8231501: VM crash in MethodData::clean_extra_data(CleanExtraDataClosure*): fatal error: unexpected tag 99

[Roland Westrelin]

Hi Christian,

Thanks for experimenting with a different solution.

> http://cr.openjdk.java.net/~chagedorn/8231501/webrev.01/

 173     // New traps in the MDO may have been added since we copied the
 174     // data (concurrent deoptimizations before we acquired
 175     // extra_data_lock above) or can be removed (a safepoint may occur
 176     // in the prepare_metadata call above) as we translate the copy:
 177     // update the copy as we go.

Can the above still happen?

I see you dropped the memcpy so I suppose no?

Roland.