[Gc] Determining if pointer GC allocated

[Hans Aberg]

On 27 Dec 2011, at 15:29, Ivan Maidanski wrote:

> Looks reasonable to me. Please provide a patch (I guess GC_is_heap_ptr as a candidate name would be ok.)


The semantics should just be, in C++ code,
  inline bool GC_is_heap_ptr(void* xp) { return GC_base(xp) != nullptr; }

Perhaps a developer of the GC package do a suitable version. (Only C99 has inline functions and bool, and nullptr is C++11.)

Hans