[obv] [testsuite] i386-biarch-core.exp: Fix comment typo

[Luis Machado]

On 09/15/2015 11:29 AM, Luis Machado wrote:
> On 09/15/2015 11:22 AM, Jan Kratochvil wrote:
>> On Tue, 15 Sep 2015 16:03:18 +0200, Luis Machado wrote:
>>> I noticed this test is running for MIPS (and probably other non-i386
>>> targets). Was it really your intention to have this test execute on
>>> non-i386
>>> targets?
>>
>> Yes, it was the intention (not in every configuration - depending on what
>> secondary targets are supported on that host).
>>
>> We were discussing it in the thread:
>>     https://sourceware.org/ml/gdb-patches/2015-07/msg00389.html
>>
>> I have verified now that on ppc64-rhel-7.1 it PASSes.  I do not have MIPS
>> handy, though.  Could you at least post your MIPS gdb.log?
>
> I'm seeing this:
>
> core-file gdb.arch/i386-biarch-core.core
> gdb/mips-tdep.c:1098: internal-error: bad register size
> A problem internal to GDB has been detected,
> further debugging may prove unreliable.^
> Quit this debugging session? (y or n)
> FAIL: gdb.arch/i386-biarch-core.exp: core-file (GDB internal error)
>

The lines are a bit off, but basically we end up hitting the internal 
error at mips-tdep.c:mips_pseudo_register_read. I don't think the MIPS 
backend is currently crafted to handle reading unknown register blocks.