From b02e53f197566a88e175cddbf1e9c338744fd51a Mon Sep 17 00:00:00 2001
From: Tim Diekmann <tim.diekmann@3dvision.de>
Date: Wed, 25 Mar 2020 18:46:01 +0100
Subject: [PATCH] Remove check for ZST in `RawVec::needs_to_grow`

---
 src/liballoc/raw_vec.rs | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/src/liballoc/raw_vec.rs b/src/liballoc/raw_vec.rs
index 79dfa7b6b45..efb7d4cae5d 100644
--- a/src/liballoc/raw_vec.rs
+++ b/src/liballoc/raw_vec.rs
@@ -461,8 +461,7 @@ impl<T, A: AllocRef> RawVec<T, A> {
     /// Returns if the buffer needs to grow to fulfill the needed extra capacity.
     /// Mainly used to make inlining reserve-calls possible without inlining `grow`.
     fn needs_to_grow(&self, used_capacity: usize, needed_extra_capacity: usize) -> bool {
-        mem::size_of::<T>() != 0
-            && needed_extra_capacity > self.capacity().wrapping_sub(used_capacity)
+        needed_extra_capacity > self.capacity().wrapping_sub(used_capacity)
     }
 
     fn capacity_from_bytes(excess: usize) -> usize {