Which, if any, C++ compilers do tail-recursion optimization?

Question

It seems to me that it would work perfectly well to do tail-recursion optimization in both C and C++, yet while debugging I never seem to see a frame stack that indicates th

Answer 1

As Greg mentions, compilers won't do it in debug mode. It's ok for debug builds to be slower than a prod build, but they shouldn't crash more often: and if you depend on a tail call optimization, they may do exactly that. Because of this it is often best to rewrite the tail call as an normal loop. :-(