Make say(\x) about 8% faster
Make say(\x) about 8% faster

Adaptation of https://github.com/rakudo/rakudo/pull/2734 , scovit++ for the
spotting of this opportunity.  Alas, we need to call .gist in the say sub
as we have spectest that depend on `say` calling `.gist` even on `Str`.

MasterDuke17/rakudo,tony-o/rakudo,salortiz/rakudo,Gnouc/rakudo,tony-o/rakudo,salortiz/rakudo,labster/rakudo,nbrown/rakudo,tbrowder/rakudo,nbrown/rakudo,Gnouc/rakudo,softmoth/rakudo,Gnouc/rakudo,softmoth/rakudo,softmoth/rakudo,rakudo/rakudo,tbrowder/rakudo,tbrowder/rakudo,rakudo/rakudo,rakudo/rakudo,softmoth/rakudo,tbrowder/rakudo,tbrowder/rakudo,MasterDuke17/rakudo,salortiz/rakudo,MasterDuke17/rakudo,Gnouc/rakudo,rakudo/rakudo,MasterDuke17/rakudo,labster/rakudo,nbrown/rakudo,labster/rakudo,tony-o/rakudo,tony-o/rakudo,softmoth/rakudo,nbrown/rakudo,nbrown/rakudo,tony-o/rakudo,salortiz/rakudo,rakudo/rakudo,labster/rakudo,MasterDuke17/rakudo,tbrowder/rakudo,nbrown/rakudo,salortiz/rakudo,Gnouc/rakudo,labster/rakudo,tony-o/rakudo,salortiz/rakudo,labster/rakudo,MasterDuke17/rakudo,Gnouc/rakudo,rakudo/rakudo