From 79a6e189b03267200ee18b96469bcfe06e7a92dd Mon Sep 17 00:00:00 2001
From: Kostya Serebryany <kcc@google.com>
Date: Tue, 26 Mar 2013 12:42:18 +0000
Subject: [PATCH] [tsan] make memcpy_race.cc test immune to memcpy inlining

llvm-svn: 178011
---
 compiler-rt/lib/tsan/lit_tests/memcpy_race.cc | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/compiler-rt/lib/tsan/lit_tests/memcpy_race.cc b/compiler-rt/lib/tsan/lit_tests/memcpy_race.cc
index 806740dda241..857728ba0540 100644
--- a/compiler-rt/lib/tsan/lit_tests/memcpy_race.cc
+++ b/compiler-rt/lib/tsan/lit_tests/memcpy_race.cc
@@ -10,13 +10,15 @@ char *data1 = new char[10];
 char *data2 = new char[10];
 
 void *Thread1(void *x) {
-  memcpy(data+5, data1, 1);
+  static volatile int size = 1;
+  memcpy(data+5, data1, size);
   return NULL;
 }
 
 void *Thread2(void *x) {
+  static volatile int size = 4;
   sleep(1);
-  memcpy(data+3, data2, 4);
+  memcpy(data+3, data2, size);
   return NULL;
 }