Merge branch 'ref-as-ptr' into 'master'

add clippy lint ref_as_ptr

See merge request redox-os/relibc!966

Cargo.toml

@@ -22,10 +22,12 @@ exclude = ["tests", "dlmalloc-rs"]
 [workspace.lints.clippy]
 ptr_as_ptr = "warn"
 ptr_cast_constness = "warn"
+ref_as_ptr = "warn"
 
 [lints.clippy]
 ptr_as_ptr = "warn"
 ptr_cast_constness = "warn"
+ref_as_ptr = "warn"
 
 [build-dependencies]
 cc = "1"

src/ld_so/debug.rs

@@ -99,8 +99,8 @@ impl LinkMap {
         Box::into_raw(map)
     }
     fn link(&mut self, map: &mut LinkMap) {
-        map.l_prev = self as *mut LinkMap;
-        self.l_next = map as *mut LinkMap;
+        map.l_prev = ptr::from_mut::<LinkMap>(self);
+        self.l_next = ptr::from_mut::<LinkMap>(map);
     }
     fn new_with_args(l_addr: usize, name: &str, l_ld: usize) -> *mut Self {
         let map = LinkMap::new();