Thanks @Rin for this patch. A few minor comments.
Are the Omp*Clauses in alphabetic order?
Nit: Extraneous line?
Nit:extra character (at end of line)?
Did a custom allocator test work fine?
[flang][OpenMP]Add parser support for OpenMP Allocate Clause Update
Added a test to check behaviour when handling a custom allocator as well as fixing formatting issues
- Updating D85212: Add parser support for OpenMP allocate clause #
- Enter a brief description of the changes included in this update.
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