[PR90743] Fortran 'allocatable' with OpenACC data/OpenMP 'target' 'map' clauses

[Thomas Schwinge]

Hi!

After having learned from PR90741 "Unreachable second '__builtin_malloc'
for scalar 'allocatable'", I then in context of PR90743 "Device-side
'malloc' for Fortran 'allocatable' scalar" had a look at what OpenMP 5.0
is saying about Fortran 'allocatable' in 'map' clauses, and suggest to
document that with the following test case.

I'm also making OpenACC do the same by fixing one thing.  (I'm aware we
should really be using 'gomp_map_val', but that's a different change;
likely in context of PR90596 "'GOACC_parallel_keyed' should use
'GOMP_MAP_VARS_TARGET'".)

Is the attached patch OK?  If approving this patch, please respond with
"Reviewed-by: NAME <EMAIL>" so that your effort will be recorded in the
commit log, see <https://gcc.gnu.org/wiki/Reviewed-by>.


Grüße
 Thomas


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