[clang] [RFC] Initial implementation of P2719 (PR #113510)

[via cfe-commits]

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@@ -2696,6 +2699,8 @@ class alignas(TypeAlignment) Type : public ExtQualsTypeCommonBase {
     return static_cast<TypeDependence>(TypeBits.Dependence);
   }
 
+  const TemplateDecl *getSpecializedTemplateDecl() const;
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cor3ntin wrote:

Does that need to be in the header? (the implementation only work for type, it's not exactly generic)

https://github.com/llvm/llvm-project/pull/113510