fix error compiling stage2

jyn514 · tesuji · jyn514 · commit daeb8ece8c93 · 2020-03-10T23:44:46.000Z
Co-Authored-By: lzutao &lt;taolzu@gmail.com&gt;
diff --git a/src/liballoc/vec.rs b/src/liballoc/vec.rs
@@ -2399,7 +2399,7 @@ impl<T: Clone> From<&mut [T]> for Vec<T> {
 
 #[stable(feature = "vec_from_array", since = "1.42.0")]
 impl<T, const N: usize> From<[T; N]> for Vec<T> {
-    fn from(arr: [T; N]) -> Vec<T> {
+    fn from(arr: [T; N]) -> Self {
         <[T]>::into_vec(box arr)
     }
 }

Original file line number	Diff line number	Diff line change
`@@ -2399,7 +2399,7 @@ impl<T: Clone> From<&mut [T]> for Vec<T> {`
`2399`	`2399`
`2400`	`2400`	`#[stable(feature = "vec_from_array", since = "1.42.0")]`
`2401`	`2401`	`impl<T, const N: usize> From<[T; N]> for Vec<T> {`
`2402`		`- fn from(arr: [T; N]) -> Vec<T> {`
	`2402`	`+ fn from(arr: [T; N]) -> Self {`
`2403`	`2403`	`<[T]>::into_vec(box arr)`
`2404`	`2404`	`}`
`2405`	`2405`	`}`