support C/C++ identifiers named with non-ASCII characters

[Pedro Alves]

On 05/21/2018 06:45 PM, 張俊芝 wrote:
>>
>>
>> Simon Marchi 於 2018/5/21 下午10:03 寫道:
>>> Could you please write a small test case in testsuite/gdb.base with the example
>>> you gave, so we make sure this doesn't get broken later?  If you can write it
>>> in such a way that both clang and gcc understand it would be better, because
>>> most people run the testuite using gcc to compile test programs.
>>>
> Oops, sorry, Simon, I forgot the test part in the second upload.
> 
> Clang is compatible with the GCC workaround \uXXXX. So I will write the test case in that format.
> 
> But it's late here, I will do it tomorrow.

I actually already started writing a patch for this a few months
back, including a C testcase, after these discussions:

  https://sourceware.org/ml/gdb-patches/2017-11/msg00428.html
  https://sourceware.org/ml/gdb/2017-11/msg00022.html

Let me try to find it.  I don't recall exactly where I left off,
but I think I had something working.

Thanks,
Pedro Alves