Auto merge of #70884 - Dylan-DPC:rollup-r3raqdf, r=jonas-schievink

Rollup of 5 pull requests

Successful merges:

 - #70201 (Small tweaks in ToOwned::clone_into)
 - #70762 (Miri leak check: memory reachable through globals is not leaked)
 - #70846 (Keep codegen units unmerged when building compiler builtins)
 - #70854 (Use assoc int submodules)
 - #70857 (Don't import integer and float modules, use assoc consts 2)

Failed merges:

r? @ghost

1 files changed, 4 insertions, 0 deletions

diff --git a/src/libstd/sys_common/os_str_bytes.rs b/src/libstd/sys_common/os_str_bytes.rs
index aa6cc33d831..984c032e2a3 100644
--- a/src/libstd/sys_common/os_str_bytes.rs
+++ b/src/libstd/sys_common/os_str_bytes.rs
@@ -173,6 +173,10 @@ impl Slice {
         Buf { inner: self.inner.to_vec() }
     }
 
+    pub fn clone_into(&self, buf: &mut Buf) {
+        self.inner.clone_into(&mut buf.inner)
+    }
+
     #[inline]
     pub fn into_box(&self) -> Box<Slice> {
         let boxed: Box<[u8]> = self.inner.into();