vec: Remove old comment in Vec::drop
This comment was leftover from an earlier revision of a PR, something that never was merged. There is no ZST special casing in Vec::drop.
This commit is contained in:
parent
792a9f12cf
commit
7300ed8e40
1 changed files with 0 additions and 4 deletions
|
@ -1384,10 +1384,6 @@ impl<T: Ord> Ord for Vec<T> {
|
|||
impl<T> Drop for Vec<T> {
|
||||
#[unsafe_destructor_blind_to_params]
|
||||
fn drop(&mut self) {
|
||||
// NOTE: this is currently abusing the fact that ZSTs can't impl Drop.
|
||||
// Or rather, that impl'ing Drop makes them not zero-sized. This is
|
||||
// OK because exactly when this stops being a valid assumption, we
|
||||
// don't need unsafe_no_drop_flag shenanigans anymore.
|
||||
if self.buf.unsafe_no_drop_flag_needs_drop() {
|
||||
unsafe {
|
||||
// The branch on needs_drop() is an -O1 performance optimization.
|
||||
|
|
Loading…
Reference in a new issue