fix std::byte

include/ck/utility/amd_wave_read_first_lane.hpp

@@ -52,8 +52,8 @@ __device__ auto amd_wave_read_first_lane(const Object& obj)
     constexpr Size SgprSize   = 4;
     constexpr Size ObjectSize = sizeof(Object);
 
-    auto* const from_obj = reinterpret_cast<const byte*>(&obj);
-    alignas(Object) byte to_obj[ObjectSize];
+    auto* const from_obj = reinterpret_cast<const std::byte*>(&obj);
+    alignas(Object) std::byte to_obj[ObjectSize];
 
     constexpr Size RemainedSize             = ObjectSize % SgprSize;
     constexpr Size CompleteSgprCopyBoundary = ObjectSize - RemainedSize;

include/ck/utility/data_type.hpp

@@ -3,7 +3,6 @@
 
 #pragma once
 
-#include "ck/utility/number.hpp"
 #include "ck/utility/statically_indexed_array.hpp"
 #include "ck/utility/type.hpp"
 #ifdef __HIPCC_RTC__
@@ -18,14 +17,15 @@ using int32_t  = signed int;
 using uint32_t = unsigned int;
 using int64_t  = signed long long;
 using uint64_t = unsigned long long;
-using byte = unsigned char;
+using std::byte = unsigned char;
 #include <limits> // std::numeric_limits
 
 #else
 #include <cstdint> // int8_t, int16_t
-#include <cstddef>
 #include <cmath>   // float_t
 #endif
+#else
+#include <cstddef>
 #endif // __HIPCC_RTC__
 namespace ck {