From: Bart Van Assche <bvanassche@acm.org>
Date: Sat, 25 Jul 2009 13:28:24 +0000 (+0000)
Subject: Fixed an assertion failure that was triggered on Darwin by calling malloc_zone_realloc().
X-Git-Tag: svn/VALGRIND_3_5_0~248
X-Git-Url: http://git.ipfire.org/gitweb.cgi?a=commitdiff_plain;h=63a3fca401aade1c39fb2e555d57211241c02fb7;p=thirdparty%2Fvalgrind.git

Fixed an assertion failure that was triggered on Darwin by calling malloc_zone_realloc().

git-svn-id: svn://svn.valgrind.org/valgrind/trunk@10600
---

diff --git a/drd/drd_malloc_wrappers.c b/drd/drd_malloc_wrappers.c
index 3dcbb44db2..d380ecc52f 100644
--- a/drd/drd_malloc_wrappers.c
+++ b/drd/drd_malloc_wrappers.c
@@ -228,7 +228,8 @@ static void* drd_realloc(ThreadId tid, void* p_old, SizeT new_size)
          
          /* Free old memory. */
          VG_(cli_free)(p_old);
-         s_stop_using_mem_callback(mc->data, mc->size);
+         if (mc->size > 0)
+            s_stop_using_mem_callback(mc->data, mc->size);
          VG_(HT_remove)(s_malloc_list, (UWord)p_old);
 
          /* Update state information. */