libtests/malloc04: Prevent compiler optimizations

2013-05-10 11:58:39 +02:00
parent cfd8d7a3d7
commit 9deed9edbf
1 changed files with 6 additions and 1 deletions
--- a/testsuites/libtests/malloc04/init.c
+++ b/testsuites/libtests/malloc04/init.c
@@ -41,7 +41,12 @@ void *rtems_heap_null_extend(
 #endif

 char Malloc_Heap[ 256 ] CPU_STRUCTURE_ALIGNMENT;
-int sbrk_count;
+
+/*
+ * Use volatile to prevent compiler optimizations due to the malloc() builtin.
+ */
+volatile int sbrk_count;
+
 Heap_Control TempHeap;

 size_t offset;