ref: ef9c5b4cc711a285947c16c7d1020f13acf7f7e7
parent: 384d4d2d6211544362d87a7e5a1392dd9c149092
author: cinap_lenrek <cinap_lenrek@felloff.net>
date: Mon Jan 5 09:23:01 EST 2015
pool: more strict checktree() for poolcheck check that Free.next and Free.prev pointers are not nil. check that Free.left and Free.right are Poison in non-tree nodes. check that Free.left and Free.right are *not* Poison in tree nodes. change Poison to 0xffffffffcafebabe for 64bit machines.