[clang] [llvm] [Frontend] Add leaf constructs and association to OpenMP/ACC directives (PR #83625)

[Krzysztof Parzyszek via cfe-commits]

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@@ -665,60 +619,44 @@ bool clang::isOpenMPTargetDataManagementDirective(OpenMPDirectiveKind DKind) {
 }
 
 bool clang::isOpenMPNestingTeamsDirective(OpenMPDirectiveKind DKind) {
-  return DKind == OMPD_teams || DKind == OMPD_teams_distribute ||
-         DKind == OMPD_teams_distribute_simd ||
-         DKind == OMPD_teams_distribute_parallel_for_simd ||
-         DKind == OMPD_teams_distribute_parallel_for ||
-         DKind == OMPD_teams_loop;
+  if (DKind == OMPD_teams)
+    return true;
+  auto leafs = getLeafConstructs(DKind);
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kparzysz wrote:

Merriam-Webster is more oriented towards American English.  The [entry for leaf](https://www.merriam-webster.com/dictionary/leaf) shows "leafs" as an alternative plural form.

https://github.com/llvm/llvm-project/pull/83625