PATCH bfd: Fix linker warning for recently introduced arm attributes

[Andrea Corallo]

Simon Marchi <simon.marchi@polymtl.ca> writes:

> On 2021-10-05 20:03, Alan Modra wrote:
>> On Mon, Oct 04, 2021 at 10:49:58PM -0400, Simon Marchi via Binutils wrote:
>>> On 2021-09-27 10:40, Andrea Corallo wrote:> Hi all,
>>>>
>>>> this simple patch updates the value of 'NUM_KNOWN_OBJ_ATTRIBUTES' so
>>>> that when linking objects with 'Tag_BTI_use' or 'Tag_PACRET_use' set ld
>>>> does not emit the "unknown EABI object attribute" warning.
>>>>
>>>> Regtested clean, okay for trunk?
>>>>
>>>> Best Regards
>>>>
>>>>   Andrea
>>>>
>>> Hi Andrea,
>>>
>>> I get some GDB failures starting with this commit.  To run:
>>>
>>> gdb/ $ make check TESTS="gdb.cp/ambiguous.exp"
>>>
>>> And in gdb.log:
>>>
>>>     49 (gdb) file /home/simark/build/binutils-gdb/gdb/testsuite/outputs/gdb.cp/ambiguous/ambiguous^M
>>>     50 BFD: BFD (GNU Binutils) 2.37.50.20210924 assertion fail /home/simark/src/binutils-gdb/bfd/elf.c:240^M
>> 
>> Dependency problem?  I can't see that assert being hit unless you have
>> stale bfd object files.
>
> I tried rebuilding from scratch a few times and kept seeing it.  I
> flushed my ccache cache and now I don't see it, so perhaps it was a
> ccache issue (if so, that's quite rare).
>
> So, sorry for the noise.

Hi Simon,

no issue, I was trying to reproduce it but it's certainly better a false
alarm than a real one :)

Best Regards

  Andrea