[Bug preprocessor/93545] [10 Regression] ICE: Segmentation fault (in _cpp_lex_direct)

[jakub at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=93545

--- Comment #6 from Jakub Jelinek <jakub at gcc dot gnu.org> ---
Created attachment 47766
  --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=47766&action=edit
gcc10-pr93545.patch

Full untested patch.