OSNews article about C++09 degenerates into C++ vs. D discussion

[Miles]

Don Clugston wrote:
> However, the use of GC instead of malloc enables advanced language
> constructs (especially, more powerful array syntax), which greatly
> reduce the number of memory allocations which need to be made.

Could you explain precisely what GC enables that is not possible with
malloc? This just doesn't compute for me.