From 9ba712fb8b00eda702be71048cda748877111ea7 Mon Sep 17 00:00:00 2001
From: Graydon Hoare <graydon@mozilla.com>
Date: Wed, 21 Mar 2012 19:00:52 -0700
Subject: [PATCH] Every time you don't use a variable, a kitten scowls.

---
 src/rt/rust_stack.cpp | 1 +
 1 file changed, 1 insertion(+)

diff --git a/src/rt/rust_stack.cpp b/src/rt/rust_stack.cpp
index 279d2b45c60..4b760afad1e 100644
--- a/src/rt/rust_stack.cpp
+++ b/src/rt/rust_stack.cpp
@@ -25,6 +25,7 @@ reuse_valgrind_stack(stk_seg *stk, uint8_t *sp) {
 	   && "Stack pointer must be inside stack segment");
     size_t sz = stk->end - (uintptr_t)sp;
     (void) VALGRIND_MAKE_MEM_UNDEFINED(sp, sz);
+    (void) sz;
 }
 
 void