Adding upstream version 1.64.0+dfsg1.upstream/1.64.0+dfsg1

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 23 insertions, 0 deletions

diff --git a/src/test/ui/issues/issue-72554.rs b/src/test/ui/issues/issue-72554.rs
new file mode 100644
index 000000000..7287639c6
--- /dev/null
+++ b/src/test/ui/issues/issue-72554.rs
@@ -0,0 +1,23 @@
+use std::collections::BTreeSet;
+
+#[derive(Hash)]
+pub enum ElemDerived {
+    //~^ ERROR recursive type `ElemDerived` has infinite size
+    //~| ERROR cycle detected when computing drop-check constraints for `ElemDerived`
+    A(ElemDerived)
+}
+
+
+pub enum Elem {
+    Derived(ElemDerived)
+}
+
+pub struct Set(BTreeSet<Elem>);
+
+impl Set {
+    pub fn into_iter(self) -> impl Iterator<Item = Elem> {
+        self.0.into_iter()
+    }
+}
+
+fn main() {}