Update comment to mention IAR
Signed-off-by: Dave Rodgman <dave.rodgman@arm.com>
diff --git a/library/common.h b/library/common.h
index 49f457c..0c5e1e1 100644
--- a/library/common.h
+++ b/library/common.h
@@ -327,7 +327,7 @@
/* clang provides __builtin_assume */
#define MBEDTLS_ASSUME(x) __builtin_assume(x)
#elif MBEDTLS_HAS_BUILTIN(__builtin_unreachable)
-/* gcc can use __builtin_unreachable */
+/* gcc and IAR can use __builtin_unreachable */
#define MBEDTLS_ASSUME(x) do { if (!(x)) __builtin_unreachable(); } while (0)
#elif defined(_MSC_VER)
/* Supported by MSVC since VS 2005 */