https://gcc.gnu.org/bugzilla/show_bug.cgi?id=72823
Jakub Jelinek <jakub at gcc dot gnu.org> changed: What |Removed |Added ---------------------------------------------------------------------------- CC| |jakub at gcc dot gnu.org --- Comment #2 from Jakub Jelinek <jakub at gcc dot gnu.org> --- Created attachment 39062 --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=39062&action=edit gcc7-pr72823.patch Untested fix. IMHO either you want to make sure the documented invariant is honored, or you should remove the documentation for the invariant and kill the assert.