[Bug c/71858] Surprising suggestions for misspellings

[jakub at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=71858

--- Comment #3 from Jakub Jelinek <jakub at gcc dot gnu.org> ---
Created attachment 38897
  --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=38897&action=edit
gcc7-pr71858-1.patch

Untested patch for the first issue.