1 files changed, 15 insertions, 0 deletions
diff --git a/src/test/codegen/loop.rs b/src/test/codegen/loop.rs
new file mode 100644
index 00000000000..e54298eed05
--- /dev/null
+++ b/src/test/codegen/loop.rs
@@ -0,0 +1,15 @@
+// compile-flags: -C opt-level=3
+
+#![crate_type = "lib"]
+
+// CHECK-LABEL: @check_loop
+#[no_mangle]
+pub fn check_loop() -> u8 {
+    // CHECK-NOT: unreachable
+    call_looper()
+}
+
+#[no_mangle]
+fn call_looper() -> ! {
+    loop {}
+}