[clang] [flang] [flang][openacc] add optional extension to allow default none scalars (PR #197718)

[Andre Kuhlenschmidt via cfe-commits]

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@@ -0,0 +1,61 @@
+<!--===- docs/OpenACC-extensions.md
+
+   Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+   See https://llvm.org/LICENSE.txt for license information.
+   SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
+
+-->
+
+# OpenACC Extensions in Flang
+
+```{contents}
+---
+local:
+---
+```
+
+The items below are intentional deviations from the OpenACC specification
+accepted by Flang.  They are also listed as deviations in
+[OpenACC.md](OpenACC.md).
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akuhlens wrote:

Good catch. Thanks!

https://github.com/llvm/llvm-project/pull/197718