[Bug testsuite/81626] Need effective target omp_target

[vries at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=81626

--- Comment #1 from Tom de Vries <vries at gcc dot gnu.org> ---
Created attachment 41871
  --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=41871&action=edit
Tentative patch