[8u20] RFR (S): 8029381 : assert(is_method_type()) failed: bad cast
david.r.chase at oracle.com
Thu Jun 5 15:11:46 UTC 2014
Backport; bug is present in 8, causes same rare failures there.
This fixes a race condition in access to method_type and appendix from
constant pool cache while processing concurrent invokedynamic instructions
that provoke classloading, so it usually appears in the various Streams tests.
Testing for 8u -- it compiled. This does not appear to have caused problems
in jdk9, but that only pushed on Monday (3 days ago).
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