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-rw-r--r--malloc/malloc.h2
1 files changed, 1 insertions, 1 deletions
diff --git a/malloc/malloc.h b/malloc/malloc.h
index 5fc7a53eff..e8f6068c1f 100644
--- a/malloc/malloc.h
+++ b/malloc/malloc.h
@@ -40,7 +40,7 @@
 # ifdef _LIBC
 #  define __MALLOC_HOOK_VOLATILE
 # else
-#  define __MALLOC_HOOK_VOLATILE
+#  define __MALLOC_HOOK_VOLATILE __volatile
 # endif
 
 #else	/* Not GCC.  */