[Bug testsuite/84022] Run nvptx accel tests with GOMP_NVPTX_JIT=-O0

[vries at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=84022

--- Comment #1 from Tom de Vries <vries at gcc dot gnu.org> ---
Created attachment 43231
  --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=43231&action=edit
Tentative patch, running nvptx accel tests with GOMP_NVPTX_JIT=-O0 in
libgomp.{c,c++}