CoAlloc: tests

Author: peter-lyons-kehl

compiler/rustc_hir_typeck/src/fn_ctxt/suggestions.rs

@@ -357,7 +357,7 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> {
                             return None // do not suggest code that is already there (#53348)
                         }
 
-                        let method_call_list = [sym::to_vec, sym::to_string];
+                        let method_call_list = [sym::to_vec, sym::to_vec_co, sym::to_string];
                         let mut sugg = if let ExprKind::MethodCall(receiver_method, ..) = expr.kind
                             && receiver_method.ident.name == sym::clone
                             && method_call_list.contains(&conversion_method.name)

compiler/rustc_span/src/symbol.rs

@@ -1482,6 +1482,7 @@ symbols! {
         tmm_reg,
         to_string,
         to_vec,
+        to_vec_co,
         todo_macro,
         tool_attributes,
         tool_lints,

tests/ui/suggestions/issue-53692.fixed

@@ -1,4 +1,3 @@
-// run-rustfix
 #![allow(unused_variables)]
 
 fn main() {

tests/ui/suggestions/issue-53692.rs

@@ -1,18 +1,22 @@
 error[E0308]: mismatched types
-  --> $DIR/issue-53692.rs:7:33
+  --> $DIR/issue-53692.rs:6:33
    |
 LL |     let items_clone: Vec<i32> = ref_items.clone();
-   |                      --------   ^^^^^^^^^^-----^^
-   |                      |          |         |
-   |                      |          |         help: try using a conversion method: `to_vec`
-   |                      |          expected `Vec<i32>`, found `&[i32]`
+   |                      --------   ^^^^^^^^^^^^^^^^^ expected `Vec<i32>`, found `&[i32]`
+   |                      |
    |                      expected due to this
    |
    = note: expected struct `Vec<i32>`
            found reference `&[i32]`
+help: try using a conversion method
+   |
+LL |     let items_clone: Vec<i32> = ref_items.to_vec();
+   |                                           ~~~~~~
+LL |     let items_clone: Vec<i32> = ref_items.to_vec_co();
+   |                                           ~~~~~~~~~
 
 error[E0308]: mismatched types
-  --> $DIR/issue-53692.rs:14:26
+  --> $DIR/issue-53692.rs:13:26
    |
 LL |     let string: String = s.clone();
    |                 ------   ^^-----^^