[Bug target/84952] [nvptx] bar.sync generated in divergent code

[vries at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=84952

--- Comment #7 from Tom de Vries <vries at gcc dot gnu.org> ---
Created attachment 43708
  --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=43708&action=edit
0002-Verify-bar.sync-position.patch (stage4)