680 using FourBoolsExtVec __attribute__((ext_vector_type(4))) = bool;  typedef
682   constexpr auto a = FourBoolsExtVec{true, false, true, false} <  in BoolVecUsage()
683                      FourBoolsExtVec{false, false, true, true};  in BoolVecUsage()
685   constexpr auto b = FourBoolsExtVec{true, false, true, false} <=  in BoolVecUsage()
686                      FourBoolsExtVec{false, false, true, true};  in BoolVecUsage()
688   constexpr auto c = FourBoolsExtVec{true, false, true, false} ==  in BoolVecUsage()
689                      FourBoolsExtVec{false, false, true, true};  in BoolVecUsage()
691   constexpr auto d = FourBoolsExtVec{true, false, true, false} !=  in BoolVecUsage()
692                      FourBoolsExtVec{false, false, true, true};  in BoolVecUsage()
694   constexpr auto e = FourBoolsExtVec{true, false, true, false} >=  in BoolVecUsage()
695                      FourBoolsExtVec{false, false, true, true};  in BoolVecUsage()
697   constexpr auto f = FourBoolsExtVec{true, false, true, false} >  in BoolVecUsage()
698                      FourBoolsExtVec{false, false, true, true};  in BoolVecUsage()
700   constexpr auto g = FourBoolsExtVec{true, false, true, false} &  in BoolVecUsage()
701                      FourBoolsExtVec{false, false, true, true};  in BoolVecUsage()
703   constexpr auto h = FourBoolsExtVec{true, false, true, false} |  in BoolVecUsage()
704                      FourBoolsExtVec{false, false, true, true};  in BoolVecUsage()
706   constexpr auto i = FourBoolsExtVec{true, false, true, false} ^  in BoolVecUsage()
707                      FourBoolsExtVec { false, false, true, true };  in BoolVecUsage()
709   constexpr auto j = !FourBoolsExtVec{true, false, true, false};  in BoolVecUsage()
711   constexpr auto k = ~FourBoolsExtVec{true, false, true, false};  in BoolVecUsage()