[flang] [llvm] [flang][OpenMP] Try to unify induction var privatization for OMP regions. (PR #91116)

[Krzysztof Parzyszek via llvm-commits]

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@@ -123,4 +123,9 @@ ConstructQueue buildConstructQueue(
 
   return constructs;
 }
+
+bool isLastItemInQueue(ConstructQueue::iterator item,
+                       const ConstructQueue &queue) {
+  return std::prev(queue.end()) == item;
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kparzysz wrote:

Comparing `std::next(item) == queue.end()` is more canonical.  Operations on the `end()` iterator may not work for all containers, but the "next" comparison will.

https://github.com/llvm/llvm-project/pull/91116