[clang] [llvm] [Clang][OpenMP] Support for dispatch construct (Sema & Codegen) support (PR #131838)

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@@ -11899,6 +11899,9 @@ def err_omp_clause_requires_dispatch_construct : Error<
   "'%0' clause requires 'dispatch' context selector">;
 def err_omp_append_args_with_varargs : Error<
   "'append_args' is not allowed with varargs functions">;
+def warn_omp_dispatch_clause_novariants_nocontext : Warning<
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SunilKuravinakop wrote:

This relates only to the novariants clause only. However, I can extrapolate the standard to mean whatever I have implemented. It will be good to provide a warning. 
If you feel that warning is not needed then I can remove it but, the user should not be left wondering why nocontext was not considered.

https://github.com/llvm/llvm-project/pull/131838