https://gcc.gnu.org/bugzilla/show_bug.cgi?id=68765
--- Comment #3 from Dominique d'Humieres <dominiq at lps dot ens.fr> --- > Status 'waiting' means: 'The submitter was asked for further information, > or asked to try out a patch' ( https://gcc.gnu.org/bugs/management.html ). > > Since there's no patch to try out, nor a request for further information, > setting status back to unconfirmed. Sorry, but I did ask further information in > Without explicit interface and the main and subroutine in different files, > IMO there is no way to give a warning. Even with the test in comment 0, > giving a reliable warning will be difficult. > > I am in favor to close this PR as WONTFIX. "setting status back to unconfirmed" does not help.