separate the receiver from arguments in HIR under /clippy

1 files changed, 11 insertions, 12 deletions

diff --git a/clippy_lints/src/default_numeric_fallback.rs b/clippy_lints/src/default_numeric_fallback.rs
index fb418a3251f..64c5de51042 100644
--- a/clippy_lints/src/default_numeric_fallback.rs
+++ b/clippy_lints/src/default_numeric_fallback.rs
@@ -69,10 +69,7 @@ struct NumericFallbackVisitor<'a, 'tcx> {
 
 impl<'a, 'tcx> NumericFallbackVisitor<'a, 'tcx> {
     fn new(cx: &'a LateContext<'tcx>) -> Self {
-        Self {
-            ty_bounds: vec![TyBound::Nothing],
-            cx,
-        }
+        Self { ty_bounds: vec![TyBound::Nothing], cx }
     }
 
     /// Check whether a passed literal has potential to cause fallback or not.
@@ -129,19 +126,21 @@ impl<'a, 'tcx> Visitor<'tcx> for NumericFallbackVisitor<'a, 'tcx> {
                     }
                     return;
                 }
-            },
+            }
 
-            ExprKind::MethodCall(_, args, _) => {
+            ExprKind::MethodCall(_, receiver, args, _) => {
                 if let Some(def_id) = self.cx.typeck_results().type_dependent_def_id(expr.hir_id) {
                     let fn_sig = self.cx.tcx.fn_sig(def_id).skip_binder();
-                    for (expr, bound) in iter::zip(*args, fn_sig.inputs()) {
+                    for (expr, bound) in
+                        iter::zip(std::iter::once(*receiver).chain(args.iter()), fn_sig.inputs())
+                    {
                         self.ty_bounds.push(TyBound::Ty(*bound));
                         self.visit_expr(expr);
                         self.ty_bounds.pop();
                     }
                     return;
                 }
-            },
+            }
 
             ExprKind::Struct(_, fields, base) => {
                 let ty = self.cx.typeck_results().expr_ty(expr);
@@ -176,15 +175,15 @@ impl<'a, 'tcx> Visitor<'tcx> for NumericFallbackVisitor<'a, 'tcx> {
                         return;
                     }
                 }
-            },
+            }
 
             ExprKind::Lit(lit) => {
                 let ty = self.cx.typeck_results().expr_ty(expr);
                 self.check_lit(lit, ty, expr.hir_id);
                 return;
-            },
+            }
 
-            _ => {},
+            _ => {}
         }
 
         walk_expr(self, expr);
@@ -198,7 +197,7 @@ impl<'a, 'tcx> Visitor<'tcx> for NumericFallbackVisitor<'a, 'tcx> {
                 } else {
                     self.ty_bounds.push(TyBound::Nothing);
                 }
-            },
+            }
 
             _ => self.ty_bounds.push(TyBound::Nothing),
         }