[clang] [LifetimeSafety] Add suggestion and inference for implicit this (PR #176703)

[Utkarsh Saxena via cfe-commits]

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@@ -1256,6 +1257,10 @@ class Sema final : public SemaBase {
                             bool ForceComplain = false,
                             bool (*IsPlausibleResult)(QualType) = nullptr);
 
+  // Adds inferred lifetime bound attribute for implicit this to its
+  // TypeSourceInfo.
+  void addLifetimeBoundToImplicitThis(const CXXMethodDecl *MD);
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usx95 wrote:

nit: remove `const` here and move the `const_cast` to the caller

https://github.com/llvm/llvm-project/pull/176703