[Bug c++/96833] New: Functors within target offload code

[Bug c++/96833] New: Functors within target offload code

[tobias.weinzierl at durham dot ac.uk]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=96833

            Bug ID: 96833
           Summary: Functors within target offload code
           Product: gcc
           Version: 9.3.1
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: c++
          Assignee: unassigned at gcc dot gnu.org
          Reporter: tobias.weinzierl at durham dot ac.uk
  Target Milestone: ---

I cannot declare a function

#pragma omp declare target
void foo( std::function<void()> x ) { 
...

even though x is, whenever I use it, declared as offloadable, too. The
workaround is to make foo a template. It then works. Is this on purpose or a
bug?

[Bug c++/96833] Functors within target offload code

[jakub at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=96833

Jakub Jelinek <jakub at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |jakub at gcc dot gnu.org

--- Comment #1 from Jakub Jelinek <jakub at gcc dot gnu.org> ---
Please read https://gcc.gnu.org/bugs.html, partial snippets aren't really
useful, we need self-contained (if possible minimal) testcases that we can
compile.
You also didn't say what the error was, so it is unclear if you got an error
already from the host compilation, or only from the linking where it invokes
the offloading compiler(s).  Neither you've started which offloading you have
configured.

[Bug c++/96833] Functors within target offload code

[tobias.weinzierl at durham dot ac.uk]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=96833

Tobias Weinzierl <tobias.weinzierl at durham dot ac.uk> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
         Resolution|---                         |WORKSFORME
             Status|UNCONFIRMED                 |RESOLVED

--- Comment #2 from Tobias Weinzierl <tobias.weinzierl at durham dot ac.uk> ---
Likely bug in calling code: declare required in declaration and around
definition