From 284a4db8907c77e355b32b043798cf9ccdf636d2 Mon Sep 17 00:00:00 2001
From: Nick Fitzgerald <fitzgen@gmail.com>
Date: Wed, 18 Feb 2026 12:06:58 -0800
Subject: [PATCH] Implement `TryClone` for `PackedOption`

---
 cranelift/entity/src/packed_option.rs | 13 +++++++++++--
 1 file changed, 11 insertions(+), 2 deletions(-)

diff --git a/cranelift/entity/src/packed_option.rs b/cranelift/entity/src/packed_option.rs
index 36f97d6d4da2..fd1451802a8f 100644
--- a/cranelift/entity/src/packed_option.rs
+++ b/cranelift/entity/src/packed_option.rs
@@ -7,8 +7,8 @@
 //! This module provides a `PackedOption<T>` for types that have a reserved value that can be used
 //! to represent `None`.
 
-use core::fmt;
-use core::mem;
+use core::{fmt, mem};
+use wasmtime_core::{alloc::TryClone, error::OutOfMemory};
 
 #[cfg(feature = "enable-serde")]
 use serde_derive::{Deserialize, Serialize};
@@ -30,6 +30,15 @@ pub trait ReservedValue {
 #[repr(transparent)]
 pub struct PackedOption<T: ReservedValue>(T);
 
+impl<T> TryClone for PackedOption<T>
+where
+    T: ReservedValue + TryClone,
+{
+    fn try_clone(&self) -> Result<Self, OutOfMemory> {
+        Ok(Self(self.0.try_clone()?))
+    }
+}
+
 impl<T: ReservedValue> PackedOption<T> {
     /// Returns `true` if the packed option is a `None` value.
     pub fn is_none(&self) -> bool {