Rename function to suggest_deref_ref_or_into because it's suggesting

derefence instructions

src/librustc_typeck/check/demand.rs

@@ -25,7 +25,7 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> {
     ) {
         self.annotate_expected_due_to_let_ty(err, expr);
         self.suggest_compatible_variants(err, expr, expected, expr_ty);
-        self.suggest_ref_or_into(err, expr, expected, expr_ty);
+        self.suggest_deref_ref_or_into(err, expr, expected, expr_ty);
         if self.suggest_calling_boxed_future_when_appropriate(err, expr, expected, expr_ty) {
             return;
         }

src/librustc_typeck/check/expr.rs

@@ -86,7 +86,7 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> {
 
         if let Some(mut err) = self.demand_suptype_diag(expr.span, expected_ty, ty) {
             let expr = expr.peel_drop_temps();
-            self.suggest_ref_or_into(&mut err, expr, expected_ty, ty);
+            self.suggest_deref_ref_or_into(&mut err, expr, expected_ty, ty);
             extend_err(&mut err);
             // Error possibly reported in `check_assign` so avoid emitting error again.
             err.emit_unless(self.is_assign_to_bool(expr, expected_ty));

src/librustc_typeck/check/mod.rs

@@ -5029,7 +5029,7 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> {
         false
     }
 
-    pub fn suggest_ref_or_into(
+    pub fn suggest_deref_ref_or_into(
         &self,
         err: &mut DiagnosticBuilder<'_>,
         expr: &hir::Expr<'_>,