[Bug sanitizer/69278] Confusion option handling for -sanitize-recovery=alll

[jakub at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69278

--- Comment #10 from Jakub Jelinek <jakub at gcc dot gnu.org> ---
Created attachment 40134
  --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=40134&action=edit
gcc7-pr69278.patch

Untested fix for that.