[PATCH] Use `supports_gnu_unique' with the `unique_symbol' and `type' tests

[Maciej W. Rozycki]

Hi Nick,

> >  This has been regression-tested against the usual 162 targets.  OK to 
> > apply?
> 
> Yes, please do.

 Applied now, thanks for a quick reply.

> >  While testing this I've noticed an `alpha-unknown-freebsd4.7' progression 
> > has gone and this is due to your recent change with commit 96037eb0b8c2 
> > ("Fix various binutils testsuite failures.") to exclude `alpha-*-*' from 
> > `ar.exp' testing.  I think it is too broad, I think only non-ELF (ECOFF) 
> > Alpha targets might have problems with `ar.exp' (except for the GNU unique 
> > feature, handled here) as these tests used to pass for ELF targets like 
> > `alpha-linux', `alpha-netbsd' or said `alpha-unknown-freebsd4.7'.  So I 
> > think you have unnecessarily reduced coverage (assuming that any failures 
> > for ECOFF were due to a shortcoming of that format rather than our bug).
> > 
> >  I think updating the condition to say:
> > 
> > if { [istarget "alpha-*-*"] && ![is_elf_format] } then {
> >     return
> > }
> > 
> > will do, however, unfortunately, I'm still busy with 2.27 clean-ups, so I 
> > can't even afford machine cycles for testing this refined update to your 
> > sledgehammer approach -- will you therefore please look into it yourself?
> 
> Will do, and thanks for pointing this out.

 Great, thanks!

  Maciej