https://gcc.gnu.org/bugzilla/show_bug.cgi?id=63622
--- Comment #3 from Martin Liška <marxin at gcc dot gnu.org> --- Created attachment 33843 --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=33843&action=edit IPA ICF aliasing restriction Can you please try to apply following patch? It should disable alias creation for targets that do not support aliasing.