[PATCH v2 6/7] malloc: Add more integrity checks to mremap_chunk.

[Florian Weimer]

* DJ Delorie:

> I +1'd this patch series last year when it was first posted (sorry about
> the lack of consensus-building) but just to revive it I'll +1 it again
> independently.  Could we get a second review too?  Florian?

Patch looks fine to me.

Florian