IDE0052 is incorrectly reported for a member referenced by nameof(...)

This issue has been moved from a ticket on Developer Community.

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[severity:It’s more difficult to complete my work] [regression] [worked-in:17.3] Have this NUnit test class:

[TestFixture]
public class TestClass {
  private readonly int[] values; // IDE0052

  [Test]
  [TestCaseSource(nameof(values))]
  public void TestMethod(int[] values) {
     /// bla bla
  }
}

VS 17.4 reports that “values” is not referred and can be removed despite that nameof references it.

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Original Comments

Feedback Bot on 11/8/2022, 04:55 PM:

(private comment, text removed)

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Original Solutions

(no solutions)

[Youssef1313]

@ssg Generators deal with the compiler API, so I guess nothing blocks them from knowing that info.

[ssg]

@Youssef1313 I’m not surprised that compiler knows about it, but do you know if, say, source generators also have access to that information?