DO NOT MERGE

Author: mkroening

hermit-macro/src/system.rs

@@ -15,14 +15,6 @@ fn parse_attr(attr: Option<Ident>) -> Result<bool> {
 	bail!(label, "#[system] can only contain \"errno\" or nothing");
 }
 
-fn validate_vis(vis: &Visibility) -> Result<()> {
-	if !matches!(vis, Visibility::Public(_)) {
-		bail!(vis, "#[system] functions must be public");
-	}
-
-	Ok(())
-}
-
 struct ParsedSig {
 	args: Vec<Ident>,
 }
@@ -199,7 +191,6 @@ fn emit_func(func: ItemFn, sig: &ParsedSig, errno: bool) -> Result<ItemFn> {
 
 pub fn system_attribute(attr: Option<Ident>, func: ItemFn) -> Result<Item> {
 	let errno = parse_attr(attr)?;
-	validate_vis(&func.vis)?;
 	let sig = parse_sig(&func.sig)?;
 	validate_attrs(&func.attrs)?;
 	let func = emit_func(func, &sig, errno)?;