From fa5fac12cf3df4da15332ea5c7cd564a788e4974 Mon Sep 17 00:00:00 2001
From: Michael Aziz <michael.aziz@intel.com>
Date: Thu, 30 Mar 2023 12:16:08 -0700
Subject: [PATCH] [SYCL] Add noexcept specifier to vec::byte_size

Signed-off-by: Michael Aziz <michael.aziz@intel.com>
---
 sycl/include/sycl/types.hpp              | 2 +-
 sycl/test-e2e/Basic/vector_operators.cpp | 1 +
 2 files changed, 2 insertions(+), 1 deletion(-)

diff --git a/sycl/include/sycl/types.hpp b/sycl/include/sycl/types.hpp
index ae1b2655d7320..2a59173c684c7 100644
--- a/sycl/include/sycl/types.hpp
+++ b/sycl/include/sycl/types.hpp
@@ -916,7 +916,7 @@ template <typename Type, int NumElements> class vec {
   __SYCL2020_DEPRECATED(
       "get_size() is deprecated, please use byte_size() instead")
   static constexpr size_t get_size() { return byte_size(); }
-  static constexpr size_t byte_size() { return sizeof(m_Data); }
+  static constexpr size_t byte_size() noexcept { return sizeof(m_Data); }
 
   template <typename convertT,
             rounding_mode roundingMode = rounding_mode::automatic>
diff --git a/sycl/test-e2e/Basic/vector_operators.cpp b/sycl/test-e2e/Basic/vector_operators.cpp
index b64f9adf93d41..d149af28de62b 100644
--- a/sycl/test-e2e/Basic/vector_operators.cpp
+++ b/sycl/test-e2e/Basic/vector_operators.cpp
@@ -35,6 +35,7 @@ template <typename T, int N> void check_vector_size() {
   constexpr auto length = (N == 3 ? 4 : N);
   assert(Vec.size() == N);
   assert(Vec.byte_size() == sizeof(T) * length);
+  static_assert(noexcept(Vec.byte_size()));
 }
 
 int main() {