[PATCH] ld: Suppress warning for unsupported attribute from older GCC

[H.J. Lu]

On Wed, Jun 17, 2020 at 2:00 AM Jan Beulich <jbeulich@suse.com> wrote:
>
> On 17.06.2020 01:50, Alan Modra via Binutils wrote:
> > Using gcc4, I see
> > FAIL: Build pr25749-1b (-pie -fPIE)
> >
> > This is due to pr25749-1b.o from gcc4 having
> >  R_X86_64_REX_GOTPCRELX 0000000000000000 _binary_pr25749_1_c_size - 4
> > rather than the reloc generated by more recent compilers
> >  R_X86_64_PC32          0000000000000000 _binary_pr25749_1_c_size - 4
> >
> > And of course there isn't a problem with a GOT entry containing an
> > absolute symbol reference, so the error expected by the test isn't
> > seen.
> >
> > This doesn't concern me a great deal, but if you can fix the test
> > easily it might reduce the number of "bugs" reported for 2.35.
> >
>
> While at it, I'm also seeing a dozen unresolved testcases from (I
> think) that same set of tests, with sufficiently old gcc (4.3.4 in
> my case):
>
> .../ld/testsuite/ld-elf/pr25754-1a.c:9: warning: 'noclone' attribute directive ignored
> .../ld/testsuite/ld-elf/pr25754-1a.c:9: warning: 'noclone' attribute directive ignored
> ERROR: .../ld/testsuite/ld-elf/pr25754-1a.c: compilation failed
> UNRESOLVED: Build pr25754-1a ( )
>
> Would be nice if the ld testsuite passed again even on old hosts.
>

This is what I checked in.

-- 
H.J.
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