Auto merge of #10162 - tamaroning:fix10018, r=xFrednet

Fix FP of single-element-loop

closes #10018

---

changelog: [`single_element_loop`]: No longer lints, if the loop contains a `break` or `continue`
[#10162](https://github.com/rust-lang/rust-clippy/pull/10162)
<!-- changelog_checked -->

1 files changed, 11 insertions, 0 deletions

diff --git a/clippy_utils/src/visitors.rs b/clippy_utils/src/visitors.rs
index 863fb60fcfc..14c01a60b4c 100644
--- a/clippy_utils/src/visitors.rs
+++ b/clippy_utils/src/visitors.rs
@@ -724,3 +724,14 @@ pub fn for_each_local_assignment<'tcx, B>(
         ControlFlow::Continue(())
     }
 }
+
+pub fn contains_break_or_continue(expr: &Expr<'_>) -> bool {
+    for_each_expr(expr, |e| {
+        if matches!(e.kind, ExprKind::Break(..) | ExprKind::Continue(..)) {
+            ControlFlow::Break(())
+        } else {
+            ControlFlow::Continue(())
+        }
+    })
+    .is_some()
+}