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

[meissner at gcc dot gnu.org]

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

--- Comment #5 from Michael Meissner <meissner at gcc dot gnu.org> ---
The change commited in svn id 249840, does fix the problem on the PowerPC. 
Thanks.