[Bug c++/88187] ICE on (invalid) C++ code when compiled with -std=c++17: Segmentation fault

[jakub at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=88187

--- Comment #3 from Jakub Jelinek <jakub at gcc dot gnu.org> ---
Created attachment 45091
  --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=45091&action=edit
gcc9-pr88187.patch

Full patch.