[PATCH 2/2] linux: Make profil_counter a compat_symbol (BZ#17726)

[Florian Weimer]

* Adhemerval Zanella:

> As indicated by Joseph's comment on BZ#17726, this symbol is most
> likely a historical ABI accident.  This patch make it on both arm
> and sparc ABIs a compat_symbol.
>
> Checked with a build arm-linux-gnueabihf, sparcv9-linux-gnu, adn
> sparc64-linux-gnu to see if the symbol is still present.
>
> 	* gmon/Versions (libc) [GLIBC_2.31]: New entry.
> 	* sysdeps/unix/sysv/linux/arm/profil-counter.h (profil_counter):
> 	Make a compat_symbol.
> 	* sysdeps/unix/sysv/linux/sparc/profil-counter.h
> 	(__profil_counter_global): Likewise.

There is this bug:

  <https://sourceware.org/bugzilla/show_bug.cgi?id=14043>

So it was already gone for over four years on arm until someone noticed.
I wonder if something really needs it?

Thanks,
Florian