[flang] [llvm] [Flang] Add semantic check for usage of COPYPRIVATE and NOWAIT clauses (PR #73486)

[Leandro Lupori via llvm-commits]

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@@ -33,6 +33,16 @@ static OmpClauseSet privateSet{
     Clause::OMPC_private, Clause::OMPC_firstprivate, Clause::OMPC_lastprivate};
 static OmpClauseSet privateReductionSet{
     OmpClauseSet{Clause::OMPC_reduction} | privateSet};
+// omp.td cannot differentiate allowed/not allowed clause list for few
+// directives for fortran. nowait is not allowed on begin directive clause list
+// for below list of directives. Directives with conflicting list of clauses are
+// included in below list.
+static const OmpDirectiveSet noWaitClauseAllowedSet{
+    Directive::OMPD_do,
+    Directive::OMPD_do_simd,
+    Directive::OMPD_sections,
+    Directive::OMPD_single,
+};
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luporl wrote:

Ok, makes sense.

https://github.com/llvm/llvm-project/pull/73486