fix vec.rs test, comment

Author: digama0

clippy_lints/src/loops/never_loop.rs

@@ -275,10 +275,9 @@ fn never_loop_expr<'tcx>(
         let Some(macro_call) = root_macro_call_first_node(cx, expr) &&
         let Some(sym::todo_macro) = cx.tcx.get_diagnostic_name(macro_call.def_id)
     {
-        // We return MayContinueMainLoop here because we treat `todo!()` and
-        // `unimplemented!()` macros as potentially containing any code,
-        // including a continue of the main loop. This effectively silences the lint
-        // whenever a loop contains one of these macros anywhere.
+        // We return MayContinueMainLoop here because we treat `todo!()`
+        // as potentially containing any code, including a continue of the main loop.
+        // This effectively silences the lint whenever a loop contains this macro anywhere.
         NeverLoopResult::MayContinueMainLoop
     } else {
         result

tests/ui/vec.fixed

@@ -120,6 +120,7 @@ fn issue11075() {
             stringify!($e)
         };
     }
+    #[allow(clippy::never_loop)]
     for _string in [repro!(true), repro!(null)] {
         unimplemented!();
     }

tests/ui/vec.rs

@@ -120,6 +120,7 @@ fn issue11075() {
             stringify!($e)
         };
     }
+    #[allow(clippy::never_loop)]
     for _string in vec![repro!(true), repro!(null)] {
         unimplemented!();
     }

tests/ui/vec.stderr

@@ -85,31 +85,31 @@ LL |     for _ in vec![1, 2, 3] {}
    |              ^^^^^^^^^^^^^ help: you can use an array directly: `[1, 2, 3]`
 
 error: useless use of `vec!`
-  --> $DIR/vec.rs:123:20
+  --> $DIR/vec.rs:124:20
    |
 LL |     for _string in vec![repro!(true), repro!(null)] {
    |                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: you can use an array directly: `[repro!(true), repro!(null)]`
 
 error: useless use of `vec!`
-  --> $DIR/vec.rs:140:18
+  --> $DIR/vec.rs:141:18
    |
 LL |     in_macro!(1, vec![1, 2], vec![1; 2]);
    |                  ^^^^^^^^^^ help: you can use an array directly: `[1, 2]`
 
 error: useless use of `vec!`
-  --> $DIR/vec.rs:140:30
+  --> $DIR/vec.rs:141:30
    |
 LL |     in_macro!(1, vec![1, 2], vec![1; 2]);
    |                              ^^^^^^^^^^ help: you can use an array directly: `[1; 2]`
 
 error: useless use of `vec!`
-  --> $DIR/vec.rs:159:14
+  --> $DIR/vec.rs:160:14
    |
 LL |     for a in vec![1, 2, 3] {
    |              ^^^^^^^^^^^^^ help: you can use an array directly: `[1, 2, 3]`
 
 error: useless use of `vec!`
-  --> $DIR/vec.rs:163:14
+  --> $DIR/vec.rs:164:14
    |
 LL |     for a in vec![String::new(), String::new()] {
    |              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: you can use an array directly: `[String::new(), String::new()]`