It seems to have been introduced by one of nine's commits on the 13th. This or one of the commits just before it I think:
https://github.com/rakudo/rakudo/commit/4fb3f94fcd39699f69e9d175315f9f1357e8faf3 On Fri, May 20, 2016 at 11:26 PM Lloyd Fournier <lloyd.fo...@gmail.com> wrote: > err leme try that again > > Precomp is broken for dependency chains 3 or longer when one of the > dependencies down the chain is *changed*. > > To expand: Sometimes it gives you a problem where you get "Missing or > wrong version of dependency" and sometimes symbols that should have been > merged from GLOBALish just aren't there which is the case in the example > above. > > On Fri, May 20, 2016 at 11:18 PM Lloyd Fournier <lloyd.fo...@gmail.com> > wrote: > >> I've been getting something similar and I've managed to golf it. >> >> mkdir lib; >> echo 'class One { }; need Two;' > lib/One.pm6 >> echo 'class Two { }; need Three;' > lib/Two.pm6 >> echo '' > lib/Three.pm6 >> perl6 -Ilib -e 'need One; say (GLOBAL::<One>:exists ?? "OK" !! "NOT OK")' >> echo "changing file" && touch lib/Two.pm6 # Three.pm6 will also break >> perl6 -Ilib -e 'need One; say (GLOBAL::<One>:exists ?? "OK" !! "NOT OK")' >> >> summary: Precomp is broken for dependency chains 3 or longer when one >> of the dependencies down the chain is broken. >> >> Do we have a way of writing tests for precomp? >> >> >> >> >> On Tue, May 17, 2016 at 4:23 AM mt1957 <perl6-bugs-follo...@perl.org> >> wrote: >> >>> # New Ticket Created by mt1957 >>> # Please include the string: [perl #128156] >>> # in the subject line of all future correspondence about this issue. >>> # <URL: https://rt.perl.org/Ticket/Display.html?id=128156 > >>> >>> >>> Hi, >>> >>> I get the following error more often than before after some edits in my >>> source files. >>> >>> Missing or wrong version of dependency >>> >>> '/home/marcel/Languages/Perl6/Projects/mongo-perl6-driver/lib/MongoDB/Wire.pm6 >>> (MongoDB::Wire)' (from >>> >>> '/home/marcel/Languages/Perl6/Projects/mongo-perl6-driver/lib/MongoDB/Cursor.pm6 >>> (MongoDB::Cursor)' >>> >>> A remedy to this is to touch all source files in the library I work on >>> and than retry. I think that this should not happen, at least not that >>> often (I've seen it several times in about a week I think, twice this >>> evening, to give an idea). >>> >>> This is Rakudo version 2016.04-200-gad82657 built on MoarVM version >>> 2016.04-134-g9879233 >>> implementing Perl 6.c. >>> >>> Greetings, >>> Marcel >>> >>
