[PATCH] Fix PR78333

[Rainer Orth]

Hi Christophe,

> The new testcase fails to link on bare-metal targets (arm/aarch64):
> /cc4ckSGA.o: In function `main':
> pr78333.c:(.text+0x1c): undefined reference to `__cyg_profile_func_enter'
> pr78333.c:(.text+0x34): undefined reference to `__cyg_profile_func_exit'
> collect2: error: ld returned 1 exit status
>
> I understand that we really want this test to have dg-do link unlike most
> of the other tests using -finstrument-functions, so we do not want to
> switch to dg-do compile.
>
> Do we want to skip this test in bare-metal configs, or is it a new bug?

it's not only bare-metal targets, but probably most non-glibc targets.
E.g the test also FAILs on Solaris in the same way, unlike Linux/x86_64
where glibc provides those functions.

Probably providing dummy implemenations as in the original testcase in
the PR is enough?

	Rainer

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Rainer Orth, Center for Biotechnology, Bielefeld University