[Bug target/83790] New: Update nvptx target to work with cuda 9

[vries at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=83790

            Bug ID: 83790
           Summary: Update nvptx target to work with cuda 9
           Product: gcc
           Version: 8.0
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: target
          Assignee: unassigned at gcc dot gnu.org
          Reporter: vries at gcc dot gnu.org
  Target Milestone: ---

One issue is mentioned here:
https://gcc.gnu.org/ml/gcc-patches/2017-12/msg01318.html . There's a patch, but
testing status is unclear.