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simplify codegen for trivially droppable types

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This commit is contained in:
Lukas Markeffsky 2023-11-23 10:25:25 +00:00
parent dfa88b328f
commit ec95d259e4
1 changed files with 3 additions and 2 deletions
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5
library/alloc/src/collections/vec_deque/drain.rs
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@ -96,8 +96,9 @@ impl<T, A: Allocator> Drop for Drain<'_, T, A> {
struct DropGuard<'r, 'a, T, A: Allocator>(&'r mut Drain<'a, T, A>);
impl<'r, 'a, T, A: Allocator> Drop for DropGuard<'r, 'a, T, A> {
#[inline]
fn drop(&mut self) {
if self.0.remaining != 0 {
if mem::needs_drop::<T>() && self.0.remaining != 0 {
unsafe {
// SAFETY: We just checked that `self.remaining != 0`.
let (front, back) = self.0.as_slices();
@ -158,7 +159,7 @@ impl<T, A: Allocator> Drop for Drain<'_, T, A> {
}
let guard = DropGuard(self);
if guard.0.remaining != 0 {
if mem::needs_drop::<T>() && guard.0.remaining != 0 {
unsafe {
// SAFETY: We just checked that `self.remaining != 0`.
let (front, back) = guard.0.as_slices();