[Bug target/80547] [6/7/8 Regression] nvptx back end ICE with OpenACC "reduction(OP:x)", "x = [...]"

[vries at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=80547

--- Comment #6 from Tom de Vries <vries at gcc dot gnu.org> ---
The og7 test-case par-reduction-3.c fails with this ICE on trunk.