remove needs_drop

the8472 · the8472 · commit f20775a4cba2 · 2020-11-07T19:57:53.000+01:00
diff --git a/library/alloc/src/vec.rs b/library/alloc/src/vec.rs
@@ -2179,10 +2179,8 @@ impl<T> InPlaceDrop<T> {
 impl<T> Drop for InPlaceDrop<T> {
     #[inline]
     fn drop(&mut self) {
-        if mem::needs_drop::<T>() {
-            unsafe {
-                ptr::drop_in_place(slice::from_raw_parts_mut(self.inner, self.len()));
-            }
+        unsafe {
+            ptr::drop_in_place(slice::from_raw_parts_mut(self.inner, self.len()));
         }
     }
 }
@@ -2912,10 +2910,8 @@ impl<T> IntoIter<T> {
     }
 
     fn drop_remaining(&mut self) {
-        if mem::needs_drop::<T>() {
-            unsafe {
-                ptr::drop_in_place(self.as_mut_slice());
-            }
+        unsafe {
+            ptr::drop_in_place(self.as_mut_slice());
         }
         self.ptr = self.end;
     }

Original file line number	Diff line number	Diff line change
`@@ -2179,10 +2179,8 @@ impl<T> InPlaceDrop<T> {`
`2179`	`2179`	`impl<T> Drop for InPlaceDrop<T> {`
`2180`	`2180`	`#[inline]`
`2181`	`2181`	`fn drop(&mut self) {`
`2182`		`- if mem::needs_drop::<T>() {`
`2183`		`- unsafe {`
`2184`		`- ptr::drop_in_place(slice::from_raw_parts_mut(self.inner, self.len()));`
`2185`		`- }`
	`2182`	`+ unsafe {`
	`2183`	`+ ptr::drop_in_place(slice::from_raw_parts_mut(self.inner, self.len()));`
`2186`	`2184`	`}`
`2187`	`2185`	`}`
`2188`	`2186`	`}`
`@@ -2912,10 +2910,8 @@ impl<T> IntoIter<T> {`
`2912`	`2910`	`}`
`2913`	`2911`
`2914`	`2912`	`fn drop_remaining(&mut self) {`
`2915`		`- if mem::needs_drop::<T>() {`
`2916`		`- unsafe {`
`2917`		`- ptr::drop_in_place(self.as_mut_slice());`
`2918`		`- }`
	`2913`	`+ unsafe {`
	`2914`	`+ ptr::drop_in_place(self.as_mut_slice());`
`2919`	`2915`	`}`
`2920`	`2916`	`self.ptr = self.end;`
`2921`	`2917`	`}`