[SYCL] Fix operator~ for sycl::vec<bool, N>

Signed-off-by: Michael Aziz <michael.aziz@intel.com>

Author: 0x12CC

sycl/include/sycl/types.hpp

@@ -1228,7 +1228,11 @@ template <typename Type, int NumElements> class vec {
 // Use __SYCL_DEVICE_ONLY__ macro because cast to OpenCL vector type is defined
 // by SYCL device compiler only.
 #ifdef __SYCL_DEVICE_ONLY__
-    return vec{(typename vec::DataType) ~m_Data};
+    vec Ret{(typename vec::DataType) ~m_Data};
+    if constexpr (std::is_same<Type, bool>::value) {
+      Ret.ConvertToDataT();
+    }
+    return Ret;
 #else
     vec Ret;
     for (size_t I = 0; I < NumElements; ++I) {

sycl/test-e2e/Basic/vec_bool.cpp

@@ -46,7 +46,7 @@ int main() {
 
   // Test negate (operator ~)
   {
-    init_arr(expected, false);
+    init_arr(expected, true);
 
     sycl::buffer<sycl::vec<bool, size>> bufVecTrue(&vec_true, 1);
     sycl::buffer<sycl::vec<bool, size>> bufResVec(&resVec, 1);