From 7300ed8e401f7a0910a17b981c315e1e3e9f8128 Mon Sep 17 00:00:00 2001
From: Ulrik Sverdrup <bluss@users.noreply.github.com>
Date: Thu, 5 Nov 2015 14:37:45 +0100
Subject: [PATCH] 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.
---
 src/libcollections/vec.rs | 4 ----
 1 file changed, 4 deletions(-)

diff --git a/src/libcollections/vec.rs b/src/libcollections/vec.rs
index a22e66583c4a9..95158054d656e 100644
--- a/src/libcollections/vec.rs
+++ b/src/libcollections/vec.rs
@@ -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.