[Bug debug/77947] [7 Regression] ICE with -g and -O2 in strip_naming_typedef

[marxin at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=77947

--- Comment #3 from Martin Liška <marxin at gcc dot gnu.org> ---
Created attachment 39790
  --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=39790&action=edit
Reduced test-case