From c1b12eae993391438578379b4621a439fe2f4703 Mon Sep 17 00:00:00 2001
From: Soonho Kong <soonhok@cs.cmu.edu>
Date: Mon, 23 Sep 2013 19:57:16 -0700
Subject: [PATCH] Update memcheck.supp to suppress a valgrind warning caused by
 a bug in tcmalloc-2.0

---
 src/memcheck.supp | 27 +++++++++++++++++++++++++++
 1 file changed, 27 insertions(+)

diff --git a/src/memcheck.supp b/src/memcheck.supp
index 7a7531b3b..fbe1654a4 100644
--- a/src/memcheck.supp
+++ b/src/memcheck.supp
@@ -75,3 +75,30 @@
    fun:reader_loop
    fun:main
 }
+
+{
+   # This entry suppresses the warning caused by a bug in tcmalloc-2.0.
+   # Using tcmalloc-2.1 solves this problem. 
+   TCMalloc_2.0_Bug
+   Memcheck:Param
+   msync(start)
+   fun:__msync_nocancel
+   obj:*/libunwind.so.8.0.0
+   obj:*/libunwind.so.8.0.0
+   obj:*/libunwind.so.8.0.0
+   obj:*/libunwind.so.8.0.0
+   fun:_UL*_step
+   fun:*GetStackTrace*
+   fun:*PageHeap*GrowHeap*
+   fun:*PageHeap*New*
+   fun:*CentralFreeList*Populate*
+   fun:*CentralFreeList*FetchFromSpansSafe*
+   fun:*CentralFreeList11RemoveRange*
+   fun:*ThreadCache*FetchFromCentralCache*
+   fun:malloc
+   fun:*TCMallocGuard*
+   obj:*/libtcmalloc.so.*
+   fun:call_init.*
+   fun:_dl_init
+   obj:*/ld-2.*
+}