From a9cdab1e49cf51cf5c966fbb10c7bb7cd08a5ddf Mon Sep 17 00:00:00 2001
From: Jason Volk <jason@zemos.net>
Date: Sun, 8 Apr 2018 10:36:24 -0700
Subject: [PATCH] ircd::allocator: Assertions on state bits.

---
 include/ircd/allocator.h | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/include/ircd/allocator.h b/include/ircd/allocator.h
index 60d499c40..9a80b3099 100644
--- a/include/ircd/allocator.h
+++ b/include/ircd/allocator.h
@@ -407,7 +407,10 @@ ircd::allocator::state::deallocate(const uint &pos,
                                    const size_type &n)
 {
 	for(size_t i(0); i < n; ++i)
+	{
+		assert(test(pos + i));
 		btc(pos + i);
+	}
 
 	last = pos;
 }
@@ -421,7 +424,10 @@ ircd::allocator::state::allocate(const size_type &n,
 		throw std::bad_alloc();
 
 	for(size_t i(0); i < n; ++i)
+	{
+		assert(!test(next + i));
 		bts(next + i);
+	}
 
 	last = next + n;
 	return next;