small corrections

src/shims/fs.rs

@@ -337,7 +337,7 @@ pub trait EvalContextExt<'mir, 'tcx: 'mir>: crate::MiriEvalContextExt<'mir, 'tcx
         let this = self.eval_context_mut();
 
         if this.tcx.sess.target.target.target_os.to_lowercase() != "macos" {
-            throw_unsup_format!("The `stat` shim is only available for `macos` targets.")
+            throw_unsup_format!("The `stat` and `lstat` shims are only available for `macos` targets.")
         }
 
         let path_scalar = this.read_scalar(path_op)?.not_undef()?;

tests/run-pass/fs.rs

@@ -22,8 +22,8 @@ fn main() {
     let symlink_path = tmp.join("miri_test_fs_symlink.txt");
     let bytes = b"Hello, World!\n";
     // Clean the paths for robustness.
-    remove_file(&path).unwrap_or(());
-    remove_file(&symlink_path).unwrap_or(());
+    remove_file(&path).ok();
+    remove_file(&symlink_path).ok();
 
     // Test creating, writing and closing a file (closing is tested when `file` is dropped).
     let mut file = File::create(&path).unwrap();