1 files changed, 11 insertions, 1 deletions
diff --git a/syntax/impls.rs b/syntax/impls.rs
index 06d68dc2..36e1f322 100644
--- a/syntax/impls.rs
+++ b/syntax/impls.rs
@@ -8,12 +8,14 @@ use std::ops::{Deref, DerefMut};
 impl PartialEq for Include {
     fn eq(&self, other: &Self) -> bool {
         let Include {
+            cfg: _,
             path,
             kind,
             begin_span: _,
             end_span: _,
         } = self;
         let Include {
+            cfg: _,
             path: path2,
             kind: kind2,
             begin_span: _,
@@ -307,6 +309,7 @@ impl Eq for Signature {}
 impl PartialEq for Signature {
     fn eq(&self, other: &Self) -> bool {
         let Signature {
+            asyncness,
             unsafety,
             fn_token: _,
             generics: _,
@@ -318,6 +321,7 @@ impl PartialEq for Signature {
             throws_tokens: _,
         } = self;
         let Signature {
+            asyncness: asyncness2,
             unsafety: unsafety2,
             fn_token: _,
             generics: _,
@@ -328,13 +332,15 @@ impl PartialEq for Signature {
             paren_token: _,
             throws_tokens: _,
         } = other;
-        unsafety.is_some() == unsafety2.is_some()
+        asyncness.is_some() == asyncness2.is_some()
+            && unsafety.is_some() == unsafety2.is_some()
             && receiver == receiver2
             && ret == ret2
             && throws == throws2
             && args.len() == args2.len()
             && args.iter().zip(args2).all(|(arg, arg2)| {
                 let Var {
+                    cfg: _,
                     doc: _,
                     attrs: _,
                     visibility: _,
@@ -343,6 +349,7 @@ impl PartialEq for Signature {
                     ty,
                 } = arg;
                 let Var {
+                    cfg: _,
                     doc: _,
                     attrs: _,
                     visibility: _,
@@ -358,6 +365,7 @@ impl PartialEq for Signature {
 impl Hash for Signature {
     fn hash<H: Hasher>(&self, state: &mut H) {
         let Signature {
+            asyncness,
             unsafety,
             fn_token: _,
             generics: _,
@@ -368,10 +376,12 @@ impl Hash for Signature {
             paren_token: _,
             throws_tokens: _,
         } = self;
+        asyncness.is_some().hash(state);
         unsafety.is_some().hash(state);
         receiver.hash(state);
         for arg in args {
             let Var {
+                cfg: _,
                 doc: _,
                 attrs: _,
                 visibility: _,