Paweł Dziepak 99b61d3944 lsa: set _active to nullptr in region destructor ...

In region destructor, after active segments is freed pointer to it is
left unchanged. This confuses the remaining parts of the destructor
logic (namely, removal from region group) which may rely on the
information in region_impl::_active.

In this particular case the problem was that code removing from the
region group called region_impl::occupancy() which was
dereferencing _active if not null.

Fixes #993.

Signed-off-by: Paweł Dziepak <pdziepak@scylladb.com>
Message-Id: <1457341670-18266-1-git-send-email-pdziepak@scylladb.com>

2016-03-07 10:15:28 +01:00

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