From e8331661cb9bd29fbaa04f75a51ce5cc295fba2f Mon Sep 17 00:00:00 2001
From: Alex Crichton <alex@alexcrichton.com>
Date: Wed, 8 Mar 2023 11:13:28 -0600
Subject: [PATCH] Add `Clone for component::InstancePre` (#5966)

This is present on `wasmtime::InstancePre` and should be available for
components as well.

Closes #5965
---
 crates/wasmtime/src/component/instance.rs | 12 ++++++++++++
 1 file changed, 12 insertions(+)

diff --git a/crates/wasmtime/src/component/instance.rs b/crates/wasmtime/src/component/instance.rs
index 39853e330c..81c526c1c6 100644
--- a/crates/wasmtime/src/component/instance.rs
+++ b/crates/wasmtime/src/component/instance.rs
@@ -194,6 +194,7 @@ struct Instantiator<'a> {
     imports: &'a PrimaryMap<RuntimeImportIndex, RuntimeImport>,
 }
 
+#[derive(Clone)]
 pub enum RuntimeImport {
     Func(Arc<HostFunc>),
     Module(Module),
@@ -464,6 +465,17 @@ pub struct InstancePre<T> {
     _marker: marker::PhantomData<fn() -> T>,
 }
 
+// `InstancePre`'s clone does not require `T: Clone`
+impl<T> Clone for InstancePre<T> {
+    fn clone(&self) -> Self {
+        Self {
+            component: self.component.clone(),
+            imports: self.imports.clone(),
+            _marker: self._marker,
+        }
+    }
+}
+
 impl<T> InstancePre<T> {
     /// This function is `unsafe` since there's no guarantee that the
     /// `RuntimeImport` items provided are guaranteed to work with the `T` of