1 files changed, 26 insertions, 0 deletions
diff --git a/tests/mir-opt/generator_tiny.rs b/tests/mir-opt/generator_tiny.rs
new file mode 100644
index 00000000000..7dad63a61d6
--- /dev/null
+++ b/tests/mir-opt/generator_tiny.rs
@@ -0,0 +1,26 @@
+//! Tests that generators that cannot return or unwind don't have unnecessary
+//! panic branches.
+
+// compile-flags: -C panic=abort
+// no-prefer-dynamic
+
+#![feature(generators, generator_trait)]
+
+struct HasDrop;
+
+impl Drop for HasDrop {
+    fn drop(&mut self) {}
+}
+
+fn callee() {}
+
+// EMIT_MIR generator_tiny.main-{closure#0}.generator_resume.0.mir
+fn main() {
+    let _gen = |_x: u8| {
+        let _d = HasDrop;
+        loop {
+            yield;
+            callee();
+        }
+    };
+}