1 files changed, 15 insertions, 2 deletions
diff --git a/tests/codegen/vec-iter.rs b/tests/codegen/vec-iter.rs
index 0282791e9d1..4e206858751 100644
--- a/tests/codegen/vec-iter.rs
+++ b/tests/codegen/vec-iter.rs
@@ -32,9 +32,9 @@ pub fn vec_iter_is_empty_nonnull(it: &vec::IntoIter<u8>) -> bool {
     it.is_empty()
 }
 
-// CHECK-LABEL: @vec_iter_next
+// CHECK-LABEL: @vec_iter_next_nonnull
 #[no_mangle]
-pub fn vec_iter_next(it: &mut vec::IntoIter<u8>) -> Option<u8> {
+pub fn vec_iter_next_nonnull(it: &mut vec::IntoIter<u8>) -> Option<u8> {
     // CHECK: load ptr
     // CHECK-SAME: !nonnull
     // CHECK-SAME: !noundef
@@ -44,3 +44,16 @@ pub fn vec_iter_next(it: &mut vec::IntoIter<u8>) -> Option<u8> {
     // CHECK: ret
     it.next()
 }
+
+// CHECK-LABEL: @vec_iter_next_back_nonnull
+#[no_mangle]
+pub fn vec_iter_next_back_nonnull(it: &mut vec::IntoIter<u8>) -> Option<u8> {
+    // CHECK: load ptr
+    // CHECK-SAME: !nonnull
+    // CHECK-SAME: !noundef
+    // CHECK: load ptr
+    // CHECK-SAME: !nonnull
+    // CHECK-SAME: !noundef
+    // CHECK: ret
+    it.next_back()
+}