Issue #2411917 by chaunceyt: Fix _block_rehash() performance issue
Issue #2411917 by chaunceyt: Fix _block_rehash() performance issue

lincgr/Prueba,brainhell/drupalglass,brainhell/drupalglass,lincgr/Prueba,brainhell/drupalglass,lincgr/Prueba,lincgr/Prueba,brainhell/drupalglass,brainhell/drupalglass