Disallow consecutive path separator in use paths

For example: `use ::{::krate};`
dtolnay · Mar 22, 2023 · e6b1bdf · e6b1bdf
1 parent 8ae37b7
commit e6b1bdf
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/src/item.rs b/src/item.rs
@@ -1252,7 +1252,7 @@ pub(crate) mod parsing {
         let vis: Visibility = input.parse()?;
         let use_token: Token![use] = input.parse()?;
         let leading_colon: Option<Token![::]> = input.parse()?;
-        let tree = parse_use_tree(input, allow_crate_root_in_path)?;
+        let tree = parse_use_tree(input, allow_crate_root_in_path && leading_colon.is_none())?;
         let semi_token: Token![;] = input.parse()?;
 
         let tree = match tree {