You can avoid GC programming in GC'd language (we have over 40 years of data on how to do that!), but you can't retrofit GC onto non-GC language and get full be

You can avoid GC programming in GC'd language (we have over 40 years of data on how to do that!), but you can't retrofit GC onto non-GC language and get full benefit (though Boehm GC is still going to make your C/C++ program better for all parts that use naive malloc/free scheme)