[Bug driver/108865] gcc on Windows fails with Unicode path to source file

[costas.argyris at gmail dot com via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=108865

--- Comment #23 from Costas Argyris <costas.argyris at gmail dot com> ---
Created attachment 54730
  --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=54730&action=edit
Make symbol optional

Could you please try this patch?