acid 6.pf
6.pf:amd64 plan 9 executable
/sys/lib/acid/port
/sys/lib/acid/amd64
acid: src(0x002096de);	// 256	1	256	emalloc+0xd
/sys/src/libc/port/pool.c:204
 199		for(q=t->next; q!=t; q=q->next){
 200			assert(q->magic==FREE_MAGIC);
 201			assert(q->size==t->size);
 202			assert(q->left==Poison);
 203			assert(q->right==Poison);
>204			assert(q->next!=nil && q->next!=Poison && q->next->prev==q);
 205			assert(q->prev!=nil && q->prev!=Poison && q->prev->next==q);
 206		}
 207	}
 208	
 209	static void