1 files changed, 33 insertions, 21 deletions

diff --git a/vendor/syn/src/error.rs b/vendor/syn/src/error.rs
index 609cc086f..e301367d5 100644
--- a/vendor/syn/src/error.rs
+++ b/vendor/syn/src/error.rs
@@ -134,12 +134,16 @@ impl Error {
     /// }
     /// ```
     pub fn new<T: Display>(span: Span, message: T) -> Self {
-        Error {
-            messages: vec![ErrorMessage {
-                start_span: ThreadBound::new(span),
-                end_span: ThreadBound::new(span),
-                message: message.to_string(),
-            }],
+        return new(span, message.to_string());
+
+        fn new(span: Span, message: String) -> Error {
+            Error {
+                messages: vec![ErrorMessage {
+                    start_span: ThreadBound::new(span),
+                    end_span: ThreadBound::new(span),
+                    message,
+                }],
+            }
         }
     }
 
@@ -158,15 +162,19 @@ impl Error {
     /// `ParseStream::error`)!
     #[cfg(feature = "printing")]
     pub fn new_spanned<T: ToTokens, U: Display>(tokens: T, message: U) -> Self {
-        let mut iter = tokens.into_token_stream().into_iter();
-        let start = iter.next().map_or_else(Span::call_site, |t| t.span());
-        let end = iter.last().map_or(start, |t| t.span());
-        Error {
-            messages: vec![ErrorMessage {
-                start_span: ThreadBound::new(start),
-                end_span: ThreadBound::new(end),
-                message: message.to_string(),
-            }],
+        return new_spanned(tokens.into_token_stream(), message.to_string());
+
+        fn new_spanned(tokens: TokenStream, message: String) -> Error {
+            let mut iter = tokens.into_iter();
+            let start = iter.next().map_or_else(Span::call_site, |t| t.span());
+            let end = iter.last().map_or(start, |t| t.span());
+            Error {
+                messages: vec![ErrorMessage {
+                    start_span: ThreadBound::new(start),
+                    end_span: ThreadBound::new(end),
+                    message,
+                }],
+            }
         }
     }
 
@@ -288,12 +296,16 @@ pub fn new_at<T: Display>(scope: Span, cursor: Cursor, message: T) -> Error {
 
 #[cfg(all(feature = "parsing", any(feature = "full", feature = "derive")))]
 pub fn new2<T: Display>(start: Span, end: Span, message: T) -> Error {
-    Error {
-        messages: vec![ErrorMessage {
-            start_span: ThreadBound::new(start),
-            end_span: ThreadBound::new(end),
-            message: message.to_string(),
-        }],
+    return new2(start, end, message.to_string());
+
+    fn new2(start: Span, end: Span, message: String) -> Error {
+        Error {
+            messages: vec![ErrorMessage {
+                start_span: ThreadBound::new(start),
+                end_span: ThreadBound::new(end),
+                message,
+            }],
+        }
     }
 }