[clang] [analyzer] Fix note for member reference (PR #68691)

[via cfe-commits]

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@@ -132,6 +132,18 @@ const Expr *bugreporter::getDerefExpr(const Stmt *S) {
     }
     // Pattern match for a few useful cases: a[0], p->f, *p etc.
     else if (const auto *ME = dyn_cast<MemberExpr>(E)) {
+      // This handles the case when the dereferencing of a member reference
+      // happens. This is needed, because the ast for dereferencing of a
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DonatNagyE wrote:

```suggestion
      // happens. This is needed, because the AST for dereferencing a
```

https://github.com/llvm/llvm-project/pull/68691