[Bug fortran/123282] [OpenACC/Fortran] Illegal memory access with derived type component in repeated alloc/dealloc cycle (order-dependent)

[albert at tugraz dot at via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=123282

--- Comment #1 from Christopher Albert <albert at tugraz dot at> ---
Created attachment 63145
  --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=63145&action=edit
Fix stale struct mapping in repeated enter/exit data cycles

Preserve GOMP_MAP_STRUCT in OpenACC exit data. Commit 1afc4672561a (2020)
stripped it assuming no-op, but this leaves stale struct state causing illegal
memory access on reallocation cycles.