[PATCH] csu: Disable zero-init on stack in libc-start.c [BZ #33112]

[Wilco Dijkstra]

Hi Adhemerval,

> We have dl-symbol-redir-ifunc.h to avoid similar issues, where the autogenerated
> calls to string routines should be routed to generic implementations.  Does
> it work on libc-start.c?

Yes that works and is even simpler - it's odd that isn't included by default in all startup
files... I've sent v2.

Also why doesn't it have memcpy and other ifuncs added in it?

Cheers,
Wilco