[clang-tools-extra] [clang-tidy] Fix crash in readability-identifier-naming (PR #220221)

[Zeyi Xu via cfe-commits]

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@@ -834,3 +834,13 @@ Some_struct g_s1{ .SomeMember = 1 };
 // CHECK-FIXES: Some_struct g_s1{ .some_member = 1 };
 Some_struct g_s2{.SomeMember=1};
 // CHECK-FIXES: Some_struct g_s2{.some_member=1};
+
+// NOLINTBEGIN
+template<class T>
+struct X {
+  struct B;
+  struct A : public B {
+    virtual void foo() { }
+  };
+};
+// NOLINTEND
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zeyi2 wrote:

```suggestion
```

https://github.com/llvm/llvm-project/pull/220221