Merge commit '37f4c1725d3fd7e9c3ffd8783246bc5589debc53' into clippyup

1 files changed, 16 insertions, 0 deletions

diff --git a/src/tools/clippy/tests/ui/iter_next_loop.rs b/src/tools/clippy/tests/ui/iter_next_loop.rs
new file mode 100644
index 00000000000..548b799de44
--- /dev/null
+++ b/src/tools/clippy/tests/ui/iter_next_loop.rs
@@ -0,0 +1,16 @@
+#![allow(dead_code, unused, for_loops_over_fallibles)]
+#![warn(clippy::iter_next_loop)]
+
+fn main() {
+    let x = [1, 2, 3, 4];
+    for _ in vec.iter().next() {}
+
+    struct Unrelated(&'static [u8]);
+    impl Unrelated {
+        fn next(&self) -> std::slice::Iter<u8> {
+            self.0.iter()
+        }
+    }
+    let u = Unrelated(&[0]);
+    for _v in u.next() {} // no error
+}