1 files changed, 24 insertions, 0 deletions
diff --git a/src/test/ui/pattern/usefulness/match-privately-empty.stderr b/src/test/ui/pattern/usefulness/match-privately-empty.stderr
new file mode 100644
index 000000000..4607cfaae
--- /dev/null
+++ b/src/test/ui/pattern/usefulness/match-privately-empty.stderr
@@ -0,0 +1,24 @@
+error[E0004]: non-exhaustive patterns: `Some(Private { misc: true, .. })` not covered
+  --> $DIR/match-privately-empty.rs:13:11
+   |
+LL |     match private::DATA {
+   |           ^^^^^^^^^^^^^ pattern `Some(Private { misc: true, .. })` not covered
+   |
+note: `Option<Private>` defined here
+  --> $SRC_DIR/core/src/option.rs:LL:COL
+   |
+LL | pub enum Option<T> {
+   | ------------------
+...
+LL |     Some(#[stable(feature = "rust1", since = "1.0.0")] T),
+   |     ^^^^ not covered
+   = note: the matched value is of type `Option<Private>`
+help: ensure that all possible cases are being handled by adding a match arm with a wildcard pattern or an explicit pattern as shown
+   |
+LL ~         }) => {}
+LL +         Some(Private { misc: true, .. }) => todo!()
+   |
+
+error: aborting due to previous error
+
+For more information about this error, try `rustc --explain E0004`.