[Bug target/80845] nvptx backend generates cvt.u32.u32

[vries at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=80845

--- Comment #1 from Tom de Vries <vries at gcc dot gnu.org> ---
Created attachment 41392
  --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=41392&action=edit
Patch adding assert on cvt.t.t

Found PR using this patch.