[jdk17u-dev] RFR: 8298061: vmTestbase/nsk/sysdict/vm/stress/btree/btree012/btree012.java failed with "fatal error: refcount has gone to zero"

[Coleen Phillimore]

On Mon, 24 Mar 2025 18:48:45 GMT, Dmitry Chuyko <dchuyko at openjdk.org> wrote:

>> Did you mean `if (_supername != NULL)`?
>> Later versions call `Symbol::maybe_decrement_refcount(_supername);` that acts like `if (s != nullptr) s->decrement_refcount();`.
>
> Also it turns out that checking for NULL may be not enough. PlaceholderEntry has no constructor, so members can contain garbage.

I see.  This is the old hashtable implementation.

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PR Review Comment: https://git.openjdk.org/jdk17u-dev/pull/3328#discussion_r2012737401