[clang] [NFC] Factor out common parts of ArraySections into its own class (PR #89639)

[Erich Keane via cfe-commits]

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@@ -3413,8 +3413,8 @@ StringRef BuiltinType::getName(const PrintingPolicy &Policy) const {
     return "reserve_id_t";
   case IncompleteMatrixIdx:
     return "<incomplete matrix index type>";
-  case OMPArraySection:
-    return "<OpenMP array section type>";
+  case ArraySection:
+    return "<array section type>";
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erichkeane wrote:

Generalized again, but this is one I couldn't really do anything about, all I have is the 'type', not the associated expression.

https://github.com/llvm/llvm-project/pull/89639