Ye Luo 8a880db519 [libomptarget] Make omp_target_is_present checks storage instead of zero length array.
Consider checking whether a pointer has been mapped can be achieved via omp_get_mapped_ptr.
omp_target_is_present is more needed to check whether the storage being pointed is mapped.
This restore the old behavior of omp_target_is_present before D123093
Fixes https://github.com/llvm/llvm-project/issues/54899

Reviewed By: jdenny

Differential Revision: https://reviews.llvm.org/D123891
2022-04-22 17:37:06 -05:00
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