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

[Oliver Hunt via cfe-commits]

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@@ -2533,9 +2533,43 @@ bool CXXMethodDecl::isUsualDeallocationFunction(
       getOverloadedOperator() != OO_Array_Delete)
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ojhunt wrote:

*adding the new accessors and adopting them

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