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-rw-r--r--src/test/ui/traits/issue-22655.rs23
1 files changed, 23 insertions, 0 deletions
diff --git a/src/test/ui/traits/issue-22655.rs b/src/test/ui/traits/issue-22655.rs
new file mode 100644
index 000000000..bc08ca0a2
--- /dev/null
+++ b/src/test/ui/traits/issue-22655.rs
@@ -0,0 +1,23 @@
+// run-pass
+#![allow(dead_code)]
+// Regression test for issue #22655: This test should not lead to
+// infinite recursion.
+
+// pretty-expanded FIXME #23616
+
+unsafe impl<T: Send + ?Sized> Send for Unique<T> { }
+
+pub struct Unique<T:?Sized> {
+ pointer: *const T,
+}
+
+pub struct Node<V> {
+ vals: V,
+ edges: Unique<Node<V>>,
+}
+
+fn is_send<T: Send>() {}
+
+fn main() {
+ is_send::<Node<&'static ()>>();
+}