Very subtle bug in the ImageCache -- if invalidate() erases a tile cache entry that happens to be the one that the clock sweep is pointing to, that leaves m_tile_sweep referencing an invalid tile. Review by: sboulos
Very subtle bug in the ImageCache -- if invalidate() erases a tile cache
entry that happens to be the one that the clock sweep is pointing to,
that leaves m_tile_sweep referencing an invalid tile.
Review by: sboulos


git-svn-id: c3edda122e248ef33995da003806c930f62b9468@1405 31904243-a364-42ac-a3db-9305396518ba

mcanthony/oiio,lgritz/oiio,lgritz/oiio,scott-wilson/oiio,cwilling/oiio,scott-wilson/oiio,sambler/oiio,micler/oiio,cwilling/oiio,mcanthony/oiio,micler/oiio,mcanthony/oiio,OpenImageIO/oiio,lgritz/oiio,YangYangTL/oiio,YangYangTL/oiio,bdeluca/oiio,micler/oiio,jeremyselan/oiio,cwilling/oiio,OpenImageIO/oiio,YangYangTL/oiio,OpenImageIO/oiio,bdeluca/oiio,OpenImageIO/oiio,lgritz/oiio,scott-wilson/oiio,jeremyselan/oiio,cwilling/oiio,mcanthony/oiio,YangYangTL/oiio,scott-wilson/oiio,bdeluca/oiio,sambler/oiio,jeremyselan/oiio,micler/oiio,sambler/oiio,sambler/oiio,bdeluca/oiio