[Bug ipa/81214] GCC target_clone support does not work for global functions with no references

[marxin at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=81214

--- Comment #2 from Martin Liška <marxin at gcc dot gnu.org> ---
Created attachment 41645
  --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=41645&action=edit
Patch candidate

Patch candidate that I'll test.