From a71b808d779d52cbddffe651eda761644cd9da70 Mon Sep 17 00:00:00 2001
From: Ben Kimock <kimockb@gmail.com>
Date: Fri, 24 Mar 2023 12:34:49 -0400
Subject: [PATCH] Use Vec::split_off

---
 compiler/rustc_mir_transform/src/check_alignment.rs | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/compiler/rustc_mir_transform/src/check_alignment.rs b/compiler/rustc_mir_transform/src/check_alignment.rs
index 694102388cff..ee5272749fec 100644
--- a/compiler/rustc_mir_transform/src/check_alignment.rs
+++ b/compiler/rustc_mir_transform/src/check_alignment.rs
@@ -111,7 +111,7 @@ fn split_block(
 
     // Drain every statement after this one and move the current terminator to a new basic block
     let new_block = BasicBlockData {
-        statements: block_data.statements.drain(location.statement_index..).collect(),
+        statements: block_data.statements.split_off(location.statement_index),
         terminator: block_data.terminator.take(),
         is_cleanup: block_data.is_cleanup,
     };