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diff --git a/tests/ui/error-codes/E0392.stderr b/tests/ui/error-codes/E0392.stderr
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+++ b/tests/ui/error-codes/E0392.stderr
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+error[E0392]: parameter `T` is never used
+  --> $DIR/E0392.rs:1:10
+   |
+LL | enum Foo<T> { Bar }
+   |          ^ unused parameter
+   |
+   = help: consider removing `T`, referring to it in a field, or using a marker such as `PhantomData`
+   = help: if you intended `T` to be a const parameter, use `const T: usize` instead
+
+error: aborting due to previous error
+
+For more information about this error, try `rustc --explain E0392`.