‘typename std::enable_if<(std::is_trivially_copyable<_Tp>::value && (sizeof (Tp) <= sizeof (Tp*)))>::type benchmark::DoNotOptimize(const Tp&) [with Tp = long unsigned int; typename std::enable_if<(std::is_trivially_copyable<_Tp>::value && (sizeof (Tp) <= sizeof (Tp*)))>::type = void]’ is deprecated: The const-ref version of this method can permit undesired compiler optimizations in benchmarks [-Wdeprecated-declarations]

‘typename std::enable_if<(std::is_trivially_copyable<_Tp>::value && (sizeof (Tp) <= sizeof (Tp*)))>::type benchmark::DoNotOptimize(const Tp&) [with Tp = long unsigned int; typename std::enable_if<(std::is_trivially_copyable<_Tp>::value && (sizeof (Tp) <= sizeof (Tp*)))>::type = void]’ is deprecated: The const-ref version of this method can permit undesired compiler optimizations in benchmarks [-Wdeprecated-declarations]

‘typename std::enable_if<(std::is_trivially_copyable<_Tp>::value && (sizeof (Tp) <= sizeof (Tp*)))>::type benchmark::DoNotOptimize(const Tp&) [with Tp = unsigned int; typename std::enable_if<(std::is_trivially_copyable<_Tp>::value && (sizeof (Tp) <= sizeof (Tp*)))>::type = void]’ is deprecated: The const-ref version of this method can permit undesired compiler optimizations in benchmarks [-Wdeprecated-declarations]