cmp_owned current suggestion for multiple deref

Author: JoshMcguigan

clippy_lints/src/misc.rs

@@ -546,7 +546,7 @@ fn check_to_owned(cx: &LateContext<'_, '_>, expr: &Expr, other: &Expr) {
     } else if other_gets_derefed {
         // suggest dropping the to_owned on the left and the deref on the right
         let other_snippet = snippet(cx, other.span, "..").into_owned();
-        let other_without_deref = other_snippet.trim_left_matches('*');
+        let other_without_deref = other_snippet.replacen('*', "", 1);
 
         (expr.span.to(other.span), format!("{} == {}", snip.to_string(), other_without_deref))
     } else {

tests/ui/cmp_owned.stderr

@@ -46,7 +46,7 @@ error: this creates an owned instance just for comparison
   --> $DIR/cmp_owned.rs:47:5
    |
 47 |     y.to_owned() == **x;
-   |     ^^^^^^^^^^^^^^^^^^^ help: try: `y == x`
+   |     ^^^^^^^^^^^^^^^^^^^ help: try: `y == *x`
 
 error: this creates an owned instance just for comparison
   --> $DIR/cmp_owned.rs:54:9