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

[Timm Baeder via cfe-commits]

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@@ -9035,6 +9036,10 @@ inline bool Type::isVoidType() const {
   return isSpecificBuiltinType(BuiltinType::Void);
 }
 
+inline bool Type::isMetaInfoType() const {
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tbaederr wrote:

Docs please.

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