Files
llvm/flang/lib/Semantics
Arnamoy Bhattacharyya 8fdd475c85 [flang][OpenMP] Add semantic checks for occurrence of nested Barrier regions
This patch adds the following nesting check for `barrier` constructs:

```
A barrier region may not be closely nested inside a worksharing, loop, task, taskloop, critical, ordered, atomic, or master region.
```

Also adds a test case for the check,

Reviewed By: kiranchandramohan

Differential Revision: https://reviews.llvm.org/D99888
2021-06-18 16:24:36 -04:00
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