]> git.lizzy.rs Git - rust.git/blobdiff - src/librustc_ast_passes/feature_gate.rs
Auto merge of #68943 - ecstatic-morse:no-useless-drop-on-enum-variants, r=matthewjasper
[rust.git] / src / librustc_ast_passes / feature_gate.rs
index 3c924847a7364c75c28e4c08397b52036e7e677a..05e69d0cfd74e1b7548b8bc01dde71fb07b7a551 100644 (file)
@@ -1,3 +1,7 @@
+use rustc_ast::ast::{self, AssocTyConstraint, AssocTyConstraintKind, NodeId};
+use rustc_ast::ast::{GenericParam, GenericParamKind, PatKind, RangeEnd, VariantData};
+use rustc_ast::attr;
+use rustc_ast::visit::{self, AssocCtxt, FnCtxt, FnKind, Visitor};
 use rustc_errors::{struct_span_err, Handler};
 use rustc_feature::{AttributeGate, BUILTIN_ATTRIBUTE_MAP};
 use rustc_feature::{Features, GateIssue, UnstableFeatures};
@@ -5,10 +9,6 @@
 use rustc_span::source_map::Spanned;
 use rustc_span::symbol::sym;
 use rustc_span::Span;
-use syntax::ast::{self, AssocTyConstraint, AssocTyConstraintKind, NodeId};
-use syntax::ast::{GenericParam, GenericParamKind, PatKind, RangeEnd, VariantData};
-use syntax::attr;
-use syntax::visit::{self, AssocCtxt, FnCtxt, FnKind, Visitor};
 
 use log::debug;
 
@@ -349,7 +349,7 @@ fn visit_item(&mut self, i: &'a ast::Item) {
                     );
                 }
 
-                if let ast::Defaultness::Default = defaultness {
+                if let ast::Defaultness::Default(_) = defaultness {
                     gate_feature_post!(&self, specialization, i.span, "specialization is unstable");
                 }
             }
@@ -372,7 +372,7 @@ fn visit_item(&mut self, i: &'a ast::Item) {
                 gate_feature_post!(&self, decl_macro, i.span, msg);
             }
 
-            ast::ItemKind::TyAlias(ref ty, ..) => self.check_impl_trait(&ty),
+            ast::ItemKind::TyAlias(_, _, _, Some(ref ty)) => self.check_impl_trait(&ty),
 
             _ => {}
         }
@@ -543,17 +543,17 @@ fn visit_assoc_ty_constraint(&mut self, constraint: &'a AssocTyConstraint) {
     }
 
     fn visit_assoc_item(&mut self, i: &'a ast::AssocItem, ctxt: AssocCtxt) {
-        if i.defaultness == ast::Defaultness::Default {
+        if let ast::Defaultness::Default(_) = i.kind.defaultness() {
             gate_feature_post!(&self, specialization, i.span, "specialization is unstable");
         }
 
         match i.kind {
-            ast::AssocItemKind::Fn(ref sig, _, _) => {
+            ast::AssocItemKind::Fn(_, ref sig, _, _) => {
                 if let (ast::Const::Yes(_), AssocCtxt::Trait) = (sig.header.constness, ctxt) {
                     gate_feature_post!(&self, const_fn, i.span, "const fn is unstable");
                 }
             }
-            ast::AssocItemKind::TyAlias(ref generics, _, ref ty) => {
+            ast::AssocItemKind::TyAlias(_, ref generics, _, ref ty) => {
                 if let (Some(_), AssocCtxt::Trait) = (ty, ctxt) {
                     gate_feature_post!(
                         &self,