From 64d98f8ee037282c35007b64c2649055c56af1db Mon Sep 17 00:00:00 2001
From: Daniel Baumann <daniel.baumann@progress-linux.org>
Date: Wed, 17 Apr 2024 14:19:03 +0200
Subject: Merging upstream version 1.68.2+dfsg1.

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
---
 tests/ui/pattern/usefulness/issue-3601.rs | 34 +++++++++++++++++++++++++++++++
 1 file changed, 34 insertions(+)
 create mode 100644 tests/ui/pattern/usefulness/issue-3601.rs

(limited to 'tests/ui/pattern/usefulness/issue-3601.rs')

diff --git a/tests/ui/pattern/usefulness/issue-3601.rs b/tests/ui/pattern/usefulness/issue-3601.rs
new file mode 100644
index 000000000..6215a2398
--- /dev/null
+++ b/tests/ui/pattern/usefulness/issue-3601.rs
@@ -0,0 +1,34 @@
+#![feature(box_patterns)]
+
+struct HTMLImageData {
+    image: Option<String>
+}
+
+struct ElementData {
+    kind: Box<ElementKind>
+}
+
+enum ElementKind {
+    HTMLImageElement(HTMLImageData)
+}
+
+enum NodeKind {
+    Element(ElementData)
+}
+
+struct NodeData {
+    kind: Box<NodeKind>,
+}
+
+fn main() {
+    let mut id = HTMLImageData { image: None };
+    let ed = ElementData { kind: Box::new(ElementKind::HTMLImageElement(id)) };
+    let n = NodeData { kind: Box::new(NodeKind::Element(ed)) };
+
+    // n.b. span could be better
+    match n.kind {
+        box NodeKind::Element(ed) => match ed.kind { //~ ERROR non-exhaustive patterns
+            box ElementKind::HTMLImageElement(ref d) if d.image.is_some() => { true }
+        },
+    };
+}
-- 
cgit v1.2.3