carry self ident forward through re-parsing

formerly, the self identifier was being discarded during parsing, which
stymies hygiene. The best fix here seems to be to attach a self identifier
to ExplicitSelf_, a change that rippled through the rest of the compiler,
but without any obvious damage.

1 files changed, 2 insertions, 2 deletions

diff --git a/src/libsyntax/visit.rs b/src/libsyntax/visit.rs
index 4ab064a88b7..df34ff30db6 100644
--- a/src/libsyntax/visit.rs
+++ b/src/libsyntax/visit.rs
@@ -202,8 +202,8 @@ pub fn walk_explicit_self<E: Clone, V: Visitor<E>>(visitor: &mut V,
                                                    explicit_self: &ExplicitSelf,
                                                    env: E) {
     match explicit_self.node {
-        SelfStatic | SelfValue | SelfUniq => {}
-        SelfRegion(ref lifetime, _) => {
+        SelfStatic | SelfValue(_) | SelfUniq(_) => {},
+        SelfRegion(ref lifetime, _, _) => {
             visitor.visit_opt_lifetime_ref(explicit_self.span, lifetime, env)
         }
     }