[Bug middle-end/104784] New: OpenACC 'kernels' decomposition: C vs. C++ differences

[tschwinge at gcc dot gnu.org via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=104784

            Bug ID: 104784
           Summary: OpenACC 'kernels' decomposition: C vs. C++ differences
           Product: gcc
           Version: 12.0
            Status: UNCONFIRMED
          Keywords: openacc
          Severity: minor
          Priority: P3
         Component: middle-end
          Assignee: unassigned at gcc dot gnu.org
          Reporter: tschwinge at gcc dot gnu.org
  Target Milestone: ---

We have found cases where OpenACC 'kernels' decomposition handles C vs. C++
differently.  That's not a problem per se, but it causes different diagnostics
(if enabled), and we'd generally at least like to understand the reason for the
differences.

I'll push a commit demonstrating this for a few test cases, pointing to this
PR.