From eff6700ff4152caf6bd1ecadcb503bf84e69ecd8 Mon Sep 17 00:00:00 2001
From: bjorn3 <17426603+bjorn3@users.noreply.github.com>
Date: Sun, 7 Jan 2024 15:30:53 +0100
Subject: [PATCH] Add back Drop impl for Guard to fix Read::read_to_end

---
 src/io/mod.rs | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/src/io/mod.rs b/src/io/mod.rs
index ec35323d1d..b4614e3bdb 100644
--- a/src/io/mod.rs
+++ b/src/io/mod.rs
@@ -292,6 +292,12 @@ struct Guard<'a> {
     len: usize,
 }
 
+impl<'a> Drop for Guard<'a> {
+    fn drop(&mut self) {
+        unsafe { self.buf.set_len(self.len); }
+    }
+}
+
 // A few methods below (read_to_string, read_line) will append data into a
 // `String` buffer, but we need to be pretty careful when doing this. The
 // implementation will just call `.as_mut_vec()` and then delegate to a