Enforce the weakened shadowing restriction.

2016-10-02 01:41:19 +00:00
parent 72544afd71
commit ed1e00268b
3 changed files with 68 additions and 17 deletions
--- a/src/librustc_resolve/lib.rs
+++ b/src/librustc_resolve/lib.rs
@@ -1073,6 +1073,7 @@ pub struct Resolver<'a> {

    privacy_errors: Vec<PrivacyError<'a>>,
    ambiguity_errors: Vec<AmbiguityError<'a>>,
+    macro_shadowing_errors: FnvHashSet<Span>,

    arenas: &'a ResolverArenas<'a>,
    dummy_binding: &'a NameBinding<'a>,
@@ -1248,6 +1249,7 @@ impl<'a> Resolver<'a> {

            privacy_errors: Vec::new(),
            ambiguity_errors: Vec::new(),
+            macro_shadowing_errors: FnvHashSet(),

            arenas: arenas,
            dummy_binding: arenas.alloc_name_binding(NameBinding {