the deduction guide for array adjusted so it sends it to the correct template specialization. The dynamic_extent template arg is the same as the default the actual span created uses the compile time array size. The tests on llvm-test-suite are being updated as well.

cperkinsintel · cperkinsintel · commit 6e956932b6c0 · 2021-11-16T14:03:52.000-08:00
Signed-off-by: Chris Perkins &lt;chris.perkins@intel.com&gt;
diff --git a/sycl/include/CL/sycl/sycl_span.hpp b/sycl/include/CL/sycl/sycl_span.hpp
@@ -608,7 +608,8 @@ as_writable_bytes(span<_Tp, _Extent> __s) noexcept
 }
 
 //  Deduction guides
-template <class _Tp, size_t _Sz> span(_Tp (&)[_Sz])->span<_Tp, _Sz>;
+template <class _Tp, size_t _Sz>
+span(_Tp (&)[_Sz]) -> span<_Tp, dynamic_extent>;
 
 template <class _Tp, size_t _Sz> span(std::array<_Tp, _Sz> &)->span<_Tp, _Sz>;
 

Original file line number	Diff line number	Diff line change
`@@ -608,7 +608,8 @@ as_writable_bytes(span<_Tp, _Extent> __s) noexcept`
`608`	`608`	`}`
`609`	`609`
`610`	`610`	`// Deduction guides`
`611`		`-template <class _Tp, size_t _Sz> span(_Tp (&)[_Sz])->span<_Tp, _Sz>;`
	`611`	`+template <class _Tp, size_t _Sz>`
	`612`	`+span(_Tp (&)[_Sz]) -> span<_Tp, dynamic_extent>;`
`612`	`613`
`613`	`614`	`template <class _Tp, size_t _Sz> span(std::array<_Tp, _Sz> &)->span<_Tp, _Sz>;`
`614`	`615`