[committed][gdb/testsuite] Update psym-external-decl.exp for gcc-10/clang

[Pedro Alves]

On 7/3/20 12:24 PM, Tom de Vries wrote:
> On 7/3/20 1:20 PM, Pedro Alves wrote:
>> On 7/3/20 10:21 AM, Gary Benson wrote:
>>> Tom de Vries wrote:
>>>> On 6/29/20 2:32 PM, Pedro Alves wrote:
>>
>>>>> I would suggest filing a bug with clang, to confirm whether
>>>>> this is intentional, or whether they see it as a bug.  I would
>>>>> think it is a bug, but I'm not sure.  If indeed a bug, we would
>>>>> XFAIL the test.
>>>>
>>>> I've filed https://bugs.llvm.org/show_bug.cgi?id=46514 .
>>>>
>>>> Thanks,
>>>> - Tom
>>>
>>> Thank for filing it Tom.
>>
>> So the conclusion seems to be that the testcase should be using
>> -fstandalone-debug?
>>
>> Except, I tried it here, and it doesn't seem to work:
>>
> 
> It is my understanding that -fstandalone-debug should be used for clang,
> but that is doesn't work atm, which is a problem in clang/llvm that is
> tracked in the PR.

I don't see anywhere in the PR stating that it's known that it doesn't work?