From 92c0ad77d5d68ba9be3685399245d693fc80fcc1 Mon Sep 17 00:00:00 2001
From: Ben Kimock <kimockb@gmail.com>
Date: Wed, 24 Jul 2024 19:12:50 -0400
Subject: [PATCH] Let InstCombine remove Clone shims inside Clone shims

Co-authored-by: scottmcm <scottmcm@users.noreply.github.com>
---
 rtstartup/rsbegin.rs | 2 ++
 rtstartup/rsend.rs   | 2 ++
 2 files changed, 4 insertions(+)

diff --git a/rtstartup/rsbegin.rs b/rtstartup/rsbegin.rs
index 14bce2bbeee2..9a3d95bd8ddf 100644
--- a/rtstartup/rsbegin.rs
+++ b/rtstartup/rsbegin.rs
@@ -29,6 +29,8 @@ trait Copy {}
 #[lang = "freeze"]
 auto trait Freeze {}
 
+impl<T: ?Sized> Copy for *mut T {}
+
 #[lang = "drop_in_place"]
 #[inline]
 #[allow(unconditional_recursion)]
diff --git a/rtstartup/rsend.rs b/rtstartup/rsend.rs
index 714643c83866..2514eb003440 100644
--- a/rtstartup/rsend.rs
+++ b/rtstartup/rsend.rs
@@ -17,6 +17,8 @@ trait Copy {}
 #[lang = "freeze"]
 auto trait Freeze {}
 
+impl<T: ?Sized> Copy for *mut T {}
+
 #[lang = "drop_in_place"]
 #[inline]
 #[allow(unconditional_recursion)]