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-rw-r--r--lib/malloca.h2
1 files changed, 1 insertions, 1 deletions
diff --git a/lib/malloca.h b/lib/malloca.h
index cfcd4de4ad8..ccc485a6a4d 100644
--- a/lib/malloca.h
+++ b/lib/malloca.h
@@ -89,7 +89,7 @@ extern void freea (void *p);
/* ------------------- Auxiliary, non-public definitions ------------------- */
/* Determine the alignment of a type at compile time. */
-#if defined __GNUC__ || defined __IBM__ALIGNOF__
+#if defined __GNUC__ || defined __clang__ || defined __IBM__ALIGNOF__
# define sa_alignof __alignof__
#elif defined __cplusplus
template <class type> struct sa_alignof_helper { char __slot1; type __slot2; };