[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 #4 from Tom de Vries <vries at gcc dot gnu.org> ---
(In reply to Tom de Vries from comment #3)
> Using this tentative patch, the ICE is fixed and the test-case executes
> successfully:

Well, for nvptx target.

For host fallback we have:
...
x: 23
FAIL: libgomp.oacc-c/../libgomp.oacc-c-c++-common/pr80547.c
-DACC_DEVICE_TYPE_host=1 -DACC_MEM_SHARED=1  -O2  execution test
...