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Author: RalfJung

src/test/ui/consts/const_discriminant.rs

@@ -27,6 +27,7 @@ const TEST_V: Discriminant<SingleVariant> = discriminant(&SingleVariant::V);
 
 pub const TEST_VOID: () = {
     // This is UB, but CTFE does not check validity so it does not detect this.
+    // This is a regression test for https://github.com/rust-lang/rust/issues/89765.
     unsafe { std::mem::discriminant(&*(&() as *const () as *const Void)); };
 };