Fix .init_array/.fini_array testcase (PR target/50166)

[Rainer Orth]

"H.J. Lu" <hjl.tools@gmail.com> writes:

>> 2011-08-26  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
>>
>>        PR target/50166
>>        * acinclude.m4 (gcc_AC_INITFINI_ARRAY): Check count in main.
>>        * configure: Regenerate.
>
> That explains why init_array was enabled on AIX.  It looks good to me and
> still works on Fedora 15.

What support do you need on the Linux side for .init_array/.fini_array
to work?  I'd have expected that gld 2.21 is enough, or is ld-linux.so.2
support required, too?

Thanks.
        Rainer

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Rainer Orth, Center for Biotechnology, Bielefeld University