From 7c968fd38de0e5df12ea4cc3fcd4d275cf09093f Mon Sep 17 00:00:00 2001
From: Daniel James <daniel@calamity.org.uk>
Date: Sun, 22 Jul 2012 07:14:42 +0000
Subject: [PATCH] Unordered: Avoid an MSVC warning.

[SVN r79651]
---
 test/objects/test.hpp | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/test/objects/test.hpp b/test/objects/test.hpp
index 2a1dfbdf..ce9c698b 100644
--- a/test/objects/test.hpp
+++ b/test/objects/test.hpp
@@ -26,7 +26,9 @@ namespace test
     template <class T> class allocator2;
     object generate(object const*);
     implicitly_convertible generate(implicitly_convertible const*);
-    
+
+    inline void ignore_variable(void const*) {}
+
     class object : private counted_object
     {
         friend class hash;
@@ -248,6 +250,9 @@ namespace test
         void destroy(T* p) {
             //detail::tracker.track_destroy((void*) p, sizeof(T), tag_);
             p->~T();
+
+            // Work around MSVC buggy unused parameter warning.
+            ignore_variable(&p);
         }
 
         bool operator==(allocator1 const& x) const