[flang] [llvm] [Flang][OpenMP] Add parser support for grainsize and num_tasks clause (PR #113136)

[Kiran Chandramohan via llvm-commits]

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@@ -486,6 +486,8 @@ struct NodeVisitor {
   READ_FEATURE(OmpIfClause)
   READ_FEATURE(OmpIfClause::DirectiveNameModifier)
   READ_FEATURE(OmpLinearClause)
+  READ_FEATURE(OmpGrainsizeClause)
+  READ_FEATURE(OmpGrainsizeClause::Prescriptiveness)
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kiranchandramohan wrote:

NumTasks missed here.

https://github.com/llvm/llvm-project/pull/113136