1 files changed, 15 insertions, 0 deletions

diff --git a/tests/ui/issues/issue-30081.rs b/tests/ui/issues/issue-30081.rs
new file mode 100644
index 000000000..e7fca96ed
--- /dev/null
+++ b/tests/ui/issues/issue-30081.rs
@@ -0,0 +1,15 @@
+// run-pass
+// This used to segfault #30081
+
+pub enum Instruction {
+    Increment(i8),
+    Loop(Box<Box<()>>),
+}
+
+fn main() {
+    let instrs: Option<(u8, Box<Instruction>)> = None;
+    instrs.into_iter()
+        .map(|(_, instr)| instr)
+        .map(|instr| match *instr { _other => {} })
+        .last();
+}