cmake HAVE__READEFLAGS_MSVC examples

TheAssemblyArmada/Thyme deps/baseconfig/cmake/CheckIntrinsics.cmake :68 

check_c_source_compiles("
            #include <intrin.h>
            int main() {
                return __readeflags();
            }" HAVE__READEFLAGS_MSVC)

TheAssemblyArmada/Chronoshift cmake/modules/CheckIntrinsics.cmake :29 

check_c_source_compiles("
        #include <intrin.h>
        int main() {
            return __readeflags();
        }" HAVE__READEFLAGS_MSVC)