1 files changed, 30 insertions, 0 deletions
diff --git a/tests/ui/nll/user-annotations/issue-54570-bootstrapping.rs b/tests/ui/nll/user-annotations/issue-54570-bootstrapping.rs
new file mode 100644
index 000000000..ff5b2244e
--- /dev/null
+++ b/tests/ui/nll/user-annotations/issue-54570-bootstrapping.rs
@@ -0,0 +1,30 @@
+// check-pass
+
+// This test is reduced from a scenario pnkfelix encountered while
+// bootstrapping the compiler.
+
+#[derive(Copy, Clone)]
+pub struct Spanned<T> {
+    pub node: T,
+    pub span: Span,
+}
+
+pub type Variant = Spanned<VariantKind>;
+// #[derive(Clone)] pub struct Variant { pub node: VariantKind, pub span: Span, }
+
+#[derive(Clone)]
+pub struct VariantKind { }
+
+#[derive(Copy, Clone)]
+pub struct Span;
+
+pub fn variant_to_span(variant: Variant) {
+    match variant {
+        Variant {
+            span: _span,
+            ..
+        } => { }
+    };
+}
+
+fn main() { }