Remove feature(box_syntax) from unused allocation list test

WaffleLapkin · WaffleLapkin · commit a90abd64fbb0 · 2023-03-03T19:02:35.000Z
diff --git a/tests/ui/lint/unused/unused-allocation.rs b/tests/ui/lint/unused/unused-allocation.rs
@@ -1,7 +1,7 @@
-#![feature(box_syntax)]
+#![feature(rustc_attrs, stmt_expr_attributes)]
 #![deny(unused_allocation)]
 
 fn main() {
-    _ = (box [1]).len(); //~ error: unnecessary allocation, use `&` instead
+    _ = (#[rustc_box] Box::new([1])).len(); //~ error: unnecessary allocation, use `&` instead
     _ = Box::new([1]).len(); //~ error: unnecessary allocation, use `&` instead
 }
diff --git a/tests/ui/lint/unused/unused-allocation.stderr b/tests/ui/lint/unused/unused-allocation.stderr
@@ -1,8 +1,8 @@
 error: unnecessary allocation, use `&` instead
   --> $DIR/unused-allocation.rs:5:9
    |
-LL |     _ = (box [1]).len();
-   |         ^^^^^^^^^
+LL |     _ = (#[rustc_box] Box::new([1])).len();
+   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
    |
 note: the lint level is defined here
   --> $DIR/unused-allocation.rs:2:9

Original file line number	Diff line number	Diff line change
`@@ -1,7 +1,7 @@`
`1`		`-#![feature(box_syntax)]`
	`1`	`+#![feature(rustc_attrs, stmt_expr_attributes)]`
`2`	`2`	`#![deny(unused_allocation)]`
`3`	`3`
`4`	`4`	`fn main() {`
`5`		- _ = (box [1]).len(); //~ error: unnecessary allocation, use `&` instead
	`5`	+ _ = (#[rustc_box] Box::new([1])).len(); //~ error: unnecessary allocation, use `&` instead
`6`	`6`	_ = Box::new([1]).len(); //~ error: unnecessary allocation, use `&` instead
`7`	`7`	`}`
Original file line number	Diff line number	Diff line change
`@@ -1,8 +1,8 @@`
`1`	`1`	error: unnecessary allocation, use `&` instead
`2`	`2`	`--> $DIR/unused-allocation.rs:5:9`
`3`	`3`	`\|`
`4`		`-LL \| _ = (box [1]).len();`
`5`		`- \| ^^^^^^^^^`
	`4`	`+LL \| _ = (#[rustc_box] Box::new([1])).len();`
	`5`	`+ \| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^`
`6`	`6`	`\|`
`7`	`7`	`note: the lint level is defined here`
`8`	`8`	`--> $DIR/unused-allocation.rs:2:9`