[flang] [llvm] [lld] [libcxx] [lldb] [clang-tools-extra] [libc] [clang] [OpenACC] Initial commits to support OpenACC (PR #70234)

[Alexey Bataev via cfe-commits]

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@@ -229,6 +230,9 @@ class Parser : public CodeCompletionHandler {
   /// Parsing OpenMP directive mode.
   bool OpenMPDirectiveParsing = false;
 
+  /// Parsing OpenACC directive mode.
+  bool OpenACCDirectiveParsing = false;
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alexey-bataev wrote:

It is unused, need to remove it for now.

https://github.com/llvm/llvm-project/pull/70234