From c71e73eb61b3f48b3ea22ba66d24d03b1e418074 Mon Sep 17 00:00:00 2001
From: Paolo Barbolini <paolo@paolo565.org>
Date: Thu, 9 Jun 2022 19:10:09 +0200
Subject: [PATCH] Remove redundant calls to reserve in impl Write for VecDeque

---
 library/std/src/io/impls.rs | 2 --
 1 file changed, 2 deletions(-)

diff --git a/library/std/src/io/impls.rs b/library/std/src/io/impls.rs
index 0ca58efe1fe2f..95072547302eb 100644
--- a/library/std/src/io/impls.rs
+++ b/library/std/src/io/impls.rs
@@ -441,14 +441,12 @@ impl<A: Allocator> Read for VecDeque<u8, A> {
 impl<A: Allocator> Write for VecDeque<u8, A> {
     #[inline]
     fn write(&mut self, buf: &[u8]) -> io::Result<usize> {
-        self.reserve(buf.len());
         self.extend(buf);
         Ok(buf.len())
     }
 
     #[inline]
     fn write_all(&mut self, buf: &[u8]) -> io::Result<()> {
-        self.reserve(buf.len());
         self.extend(buf);
         Ok(())
     }