Refactor `Attribute` to use `Path` and `TokenStream` instead of `MetaItem`.

2 files changed, 6 insertions, 4 deletions

diff --git a/src/libsyntax_ext/deriving/custom.rs b/src/libsyntax_ext/deriving/custom.rs
index a7e2d82bb97..b01ef65e5fe 100644
--- a/src/libsyntax_ext/deriving/custom.rs
+++ b/src/libsyntax_ext/deriving/custom.rs
@@ -23,9 +23,11 @@ struct MarkAttrs<'a>(&'a [ast::Name]);
 
 impl<'a> Visitor<'a> for MarkAttrs<'a> {
     fn visit_attribute(&mut self, attr: &Attribute) {
-        if self.0.contains(&attr.name()) {
-            mark_used(attr);
-            mark_known(attr);
+        if let Some(name) = attr.name() {
+            if self.0.contains(&name) {
+                mark_used(attr);
+                mark_known(attr);
+            }
         }
     }
 
diff --git a/src/libsyntax_ext/deriving/generic/mod.rs b/src/libsyntax_ext/deriving/generic/mod.rs
index fe492bd7fc8..48e7ff0d243 100644
--- a/src/libsyntax_ext/deriving/generic/mod.rs
+++ b/src/libsyntax_ext/deriving/generic/mod.rs
@@ -439,7 +439,7 @@ impl<'a> TraitDef<'a> {
                 attrs.extend(item.attrs
                     .iter()
                     .filter(|a| {
-                        match &*a.name().as_str() {
+                        a.name().is_some() && match &*a.name().unwrap().as_str() {
                             "allow" | "warn" | "deny" | "forbid" | "stable" | "unstable" => true,
                             _ => false,
                         }