[Bug c/88367] [9 Regression] -fno-delete-null-pointer-checks doesn't work properly

[jakub at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=88367

--- Comment #8 from Jakub Jelinek <jakub at gcc dot gnu.org> ---
Created attachment 45166
  --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=45166&action=edit
gcc9-pr88367.patch

Possible untested patch.