[8u20] RFR (S): 8029381 : assert(is_method_type()) failed: bad cast

[Vladimir Kozlov]

Looks good. Please, use 'hg export'/'hg import', if it is applied cleanly, to keep the same changeset comments.

Thanks,
Vladimir

On 6/5/14 8:11 AM, David Chase wrote:
>
> bug: https://bugs.openjdk.java.net/browse/JDK-8029381
> webrev: http://cr.openjdk.java.net/~drchase/8029381/webrev.01/
>
> 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).
>
>
>