[SYCL] Add noexcept specifier to vec::byte_size (#8889)

0x12CC · web-flow · commit cb6c0580dc30 · 2023-03-30T20:30:27.000-07:00
Signed-off-by: Michael Aziz &lt;michael.aziz@intel.com&gt;
diff --git 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
@@ -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() {

Original file line number	Diff line number	Diff line change
`@@ -35,6 +35,7 @@ template <typename T, int N> void check_vector_size() {`
`35`	`35`	`constexpr auto length = (N == 3 ? 4 : N);`
`36`	`36`	`assert(Vec.size() == N);`
`37`	`37`	`assert(Vec.byte_size() == sizeof(T) * length);`
	`38`	`+ static_assert(noexcept(Vec.byte_size()));`
`38`	`39`	`}`
`39`	`40`
`40`	`41`	`int main() {`