1 files changed, 29 insertions, 0 deletions
diff --git a/src/test/ui/mismatched_types/issue-74918-missing-lifetime.rs b/src/test/ui/mismatched_types/issue-74918-missing-lifetime.rs
new file mode 100644
index 000000000..c7842667d
--- /dev/null
+++ b/src/test/ui/mismatched_types/issue-74918-missing-lifetime.rs
@@ -0,0 +1,29 @@
+// Regression test for issue #74918
+// Tests that we don't ICE after emitting an error
+
+struct ChunkingIterator<T, S: 'static + Iterator<Item = T>> {
+    source: S,
+}
+
+impl<T, S: Iterator<Item = T>> Iterator for ChunkingIterator<T, S> {
+    type Item = IteratorChunk<T, S>; //~ ERROR missing lifetime
+
+    fn next(&mut self) -> Option<IteratorChunk<T, S>> {
+        //~^ ERROR `impl` item signature doesn't match `trait` item signature
+        todo!()
+    }
+}
+
+struct IteratorChunk<'a, T, S: Iterator<Item = T>> {
+    source: &'a mut S,
+}
+
+impl<T, S: Iterator<Item = T>> Iterator for IteratorChunk<'_, T, S> {
+    type Item = T;
+
+    fn next(&mut self) -> Option<T> {
+        todo!()
+    }
+}
+
+fn main() {}