From 84c5c4e581a566b6a032a4ce37ac5541859f4382 Mon Sep 17 00:00:00 2001
From: Pere Diaz Bou <pere-altea@hotmail.com>
Date: Wed, 27 Aug 2025 17:19:32 +0000
Subject: [PATCH] core/util: emit literal, cow instead of replace

---
 core/util.rs | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/core/util.rs b/core/util.rs
index 7697784ef..d38ed1a6f 100644
--- a/core/util.rs
+++ b/core/util.rs
@@ -1017,7 +1017,11 @@ pub fn cast_real_to_integer(float: f64) -> std::result::Result<i64, ()> {
 // we don't need to verify the numeric literal here, as it is already verified by the parser
 pub fn parse_numeric_literal(text: &str) -> Result<Value> {
     // a single extra underscore ("_") character can exist between any two digits
-    let text = text.replace("_", "");
+    let text = if text.contains('_') {
+        std::borrow::Cow::Owned(text.replace('_', ""))
+    } else {
+        std::borrow::Cow::Borrowed(text)
+    };
 
     if text.starts_with("0x") || text.starts_with("0X") {
         let value = u64::from_str_radix(&text[2..], 16)? as i64;