From 442a72d95ab1fb3a47b486d8d1eb68e909d0ffb8 Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Sun, 11 Nov 2018 15:51:23 -0500
Subject: [PATCH] Declare Null() constexpr

---
 src/hb-null.hh | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/hb-null.hh b/src/hb-null.hh
index 25a24f05c..5b9c7db79 100644
--- a/src/hb-null.hh
+++ b/src/hb-null.hh
@@ -43,7 +43,7 @@ hb_vector_size_impl_t const _hb_NullPool[(HB_NULL_POOL_SIZE + sizeof (hb_vector_
 
 /* Generic nul-content Null objects. */
 template <typename Type>
-static inline Type const & Null (void) {
+static inline constexpr Type const & Null (void) {
   static_assert (sizeof (Type) <= HB_NULL_POOL_SIZE, "Increase HB_NULL_POOL_SIZE.");
   return *reinterpret_cast<Type const *> (_hb_NullPool);
 }