[clang] [clang][dataflow] Retrieve members from accessors called using member… (PR #73978)

[Yitzhak Mandelbaum via cfe-commits]

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@@ -300,9 +300,10 @@ static void insertIfFunction(const Decl &D,
 }
 
 static MemberExpr *getMemberForAccessor(const CXXMemberCallExpr &C) {
-  if (!C.getMethodDecl())
+  const auto *MethodDecl = dyn_cast_or_null<CXXMethodDecl>(C.getCalleeDecl());
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ymand wrote:

Please add a comment explaining why we prefer this method over `getMethodDecl`.

https://github.com/llvm/llvm-project/pull/73978