[Bug middle-end/80423] [7 Regression] GC related -fcompare-debug failure

[jakub at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=80423

--- Comment #10 from Jakub Jelinek <jakub at gcc dot gnu.org> ---
Created attachment 41215
  --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=41215&action=edit
gcc7-pr80423.patch

Untested fix.