[clang] [lldb] [clang]: support std::meta::info for primitive types (PR #190356)

[Shafik Yaghmour via cfe-commits]

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@@ -9091,6 +9091,10 @@ class BuiltinCandidateTypeSet  {
   /// candidate set.
   bool HasNullPtrType;
 
+  /// A flag indicating whether the reflection type was present in the
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shafik wrote:

I guess this is b/c of [over.builtin]p16? Maybe a reference would be helpful.

https://github.com/llvm/llvm-project/pull/190356