[PATCH] malloc: Always call memcpy in _int_realloc [BZ #24027]

[Florian Weimer]

* DJ Delorie:

> This is OK with me.  I suspect gcc's potential inlining and/or our
> target-specific memcpy()'s might offset any performance lost anyway.
>
> Reviewed-by: DJ Delorie <dj@redhat.com>

Thanks.  Do you think we should treat this as a vulnerability?  Can
this code path be reached in a default configuration?