From c8f3203c46c4b95a9eaff3ff8bb99982b682db0f Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Martin=20Kr=C3=B6ning?= <mkroening@posteo.net>
Date: Tue, 29 Nov 2022 11:26:40 +0100
Subject: [PATCH] hermit: Fix fuzzy_provenance_casts

---
 library/std/src/sys/hermit/thread.rs | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/library/std/src/sys/hermit/thread.rs b/library/std/src/sys/hermit/thread.rs
index e53a1fea6a0..8f65544a9e8 100644
--- a/library/std/src/sys/hermit/thread.rs
+++ b/library/std/src/sys/hermit/thread.rs
@@ -5,6 +5,7 @@
 use crate::io;
 use crate::mem;
 use crate::num::NonZeroUsize;
+use crate::ptr;
 use crate::sys::hermit::abi;
 use crate::sys::hermit::thread_local_dtor::run_dtors;
 use crate::time::Duration;
@@ -47,7 +48,7 @@ pub unsafe fn new_with_coreid(
         extern "C" fn thread_start(main: usize) {
             unsafe {
                 // Finally, let's run some code.
-                Box::from_raw(main as *mut Box<dyn FnOnce()>)();
+                Box::from_raw(ptr::from_exposed_addr::<Box<dyn FnOnce()>>(main).cast_mut())();
 
                 // run all destructors
                 run_dtors();