From fcc16991623653e72298b97ea0d5000ce6aa31c7 Mon Sep 17 00:00:00 2001
From: Takashi Kokubun <takashikkbn@gmail.com>
Date: Thu, 14 Sep 2023 10:55:00 -0700
Subject: [PATCH] YJIT: Initialize Vec with capacity for iterators (#8439)

---
 yjit/src/backend/ir.rs | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/yjit/src/backend/ir.rs b/yjit/src/backend/ir.rs
index 5f69f5a01f..7477f375ac 100644
--- a/yjit/src/backend/ir.rs
+++ b/yjit/src/backend/ir.rs
@@ -1568,7 +1568,7 @@ impl AssemblerDrainingIterator {
         Self {
             insns: asm.insns.into_iter().peekable(),
             index: 0,
-            indices: Vec::default()
+            indices: Vec::with_capacity(ASSEMBLER_INSNS_CAPACITY),
         }
     }