[clang] [clang][OpenMP] Use leaf constructs in `mapLoopConstruct` (PR #97446)

[Alexey Bataev via cfe-commits]

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@@ -6270,16 +6270,20 @@ bool SemaOpenMP::mapLoopConstruct(
     if (BindKind == OMPC_BIND_unknown) {
       // Setting the enclosing teams or parallel construct for the loop
       // directive without bind clause.
+      // [5.0:129:25-28] If the bind clause is not present on the construct and
+      // the loop construct is closely nested inside a teams or parallel
+      // construct, the binding region is the corresponding teams or parallel
+      // region. If none of those conditions hold, the binding region is not
+      // defined.
       BindKind = OMPC_BIND_thread; // Default bind(thread) if binding is unknown
+      auto ParentLeafs = getLeafConstructsOrSelf(ParentDirective);
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alexey-bataev wrote:

Expand auto here

https://github.com/llvm/llvm-project/pull/97446