1 files changed, 19 insertions, 0 deletions
diff --git a/src/test/ui/pattern/usefulness/issue-50900.rs b/src/test/ui/pattern/usefulness/issue-50900.rs
new file mode 100644
index 000000000..27135af95
--- /dev/null
+++ b/src/test/ui/pattern/usefulness/issue-50900.rs
@@ -0,0 +1,19 @@
+#[derive(PartialEq, Eq)]
+pub struct Tag(pub Context, pub u16);
+
+#[derive(PartialEq, Eq)]
+pub enum Context {
+    Tiff,
+    Exif,
+}
+
+impl Tag {
+    const ExifIFDPointer: Tag = Tag(Context::Tiff, 34665);
+}
+
+fn main() {
+    match Tag::ExifIFDPointer {
+    //~^ ERROR: non-exhaustive patterns: `Tag(Exif, _)` not covered
+        Tag::ExifIFDPointer => {}
+    }
+}