[clang] [Clang] Allow devirtualization involving array subscripts with constant indices when the pointee type is known (PR #207540)

[Corentin Jabot via cfe-commits]

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@@ -2600,6 +2600,41 @@ CXXMethodDecl *CXXMethodDecl::getDevirtualizedMethod(const Expr *Base,
     }
   }
 
+  // By CWG1504 / [expr.add]/6, pointer arithmetic on a base pointer into an
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cor3ntin wrote:

Please add a standard version here

https://github.com/llvm/llvm-project/pull/207540