[flang] [llvm] [Flang][OMP]Add support for DECLARE MAPPER parsing and semantics (PR #115160)

[Kiran Chandramohan via llvm-commits]

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@@ -1605,6 +1609,35 @@ void OmpVisitor::Post(const parser::OpenMPBlockConstruct &x) {
   }
 }
 
+// This "manually" walks the tree of the cosntruct, because the order
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kiranchandramohan wrote:

```suggestion
// This "manually" walks the tree of the construct, because the order
```

https://github.com/llvm/llvm-project/pull/115160