Consolidate byte-identical modules.

library/std/src/sys/unsupported/mod.rs

@@ -8,6 +8,7 @@ pub mod io;
 pub mod mutex;
 pub mod net;
 pub mod os;
+#[path = "../unix/path.rs"]
 pub mod path;
 pub mod pipe;
 pub mod process;

library/std/src/sys/unsupported/path.rs

@@ -1,19 +0,0 @@
-use crate::ffi::OsStr;
-use crate::path::Prefix;
-
-#[inline]
-pub fn is_sep_byte(b: u8) -> bool {
-    b == b'/'
-}
-
-#[inline]
-pub fn is_verbatim_sep(b: u8) -> bool {
-    b == b'/'
-}
-
-pub fn parse_prefix(_: &OsStr) -> Option<Prefix<'_>> {
-    None
-}
-
-pub const MAIN_SEP_STR: &str = "/";
-pub const MAIN_SEP: char = '/';