v3 of test speedup by replacing gdb with LD_PRELOAD

[Tomi Ollila]

On Wed, Jun 26 2019, Daniel Kahn Gillmor wrote:

> Here are the two patches from this series, revised according to the
> on-list discussion.
>
> In particular, the revision from Bremner's original series are:
>
>  * LD_PRELOAD is now prepended to, not clobbered (thanks, Tomi!)
>  * gen_insert_msg is not moved
>
> We still don't deal with platforms that don't support LD_PRELOAD (like
> MacOS), but i'd encourage us to take Ralph at his word and go ahead
> with these changes now, cleaning them up on those platforms later.

Agreed. Series LGTM.

>
>      --dkg

Tomi