Add test for needless_range_loop issue

Michael Wright · Michael Wright · commit d067d0352bfc · 2020-07-14T08:35:03.000+02:00
Closes rust-lang#2277 This was fixed when we fixed rust-lang#2542.
diff --git a/tests/ui/needless_range_loop2.rs b/tests/ui/needless_range_loop2.rs
@@ -83,3 +83,13 @@ fn main() {
         println!("{}", arr[i]);
     }
 }
+
+mod issue2277 {
+    pub fn example(list: &[[f64; 3]]) {
+        let mut x: [f64; 3] = [10.; 3];
+
+        for i in 0..3 {
+            x[i] = list.iter().map(|item| item[i]).sum::<f64>();
+        }
+    }
+}

Original file line number	Diff line number	Diff line change
`@@ -83,3 +83,13 @@ fn main() {`
`83`	`83`	`println!("{}", arr[i]);`
`84`	`84`	`}`
`85`	`85`	`}`
	`86`	`+`
	`87`	`+mod issue2277 {`
	`88`	`+ pub fn example(list: &[[f64; 3]]) {`
	`89`	`+ let mut x: [f64; 3] = [10.; 3];`
	`90`	`+`
	`91`	`+ for i in 0..3 {`
	`92`	`+ x[i] = list.iter().map(\|item\| item[i]).sum::<f64>();`
	`93`	`+ }`
	`94`	`+ }`
	`95`	`+}`