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-rw-r--r--src/librustc_parse/parser/item.rs2
1 files changed, 2 insertions, 0 deletions
diff --git a/src/librustc_parse/parser/item.rs b/src/librustc_parse/parser/item.rs
index 08d71f03976..bf612bfc0e4 100644
--- a/src/librustc_parse/parser/item.rs
+++ b/src/librustc_parse/parser/item.rs
@@ -1544,6 +1544,8 @@ impl<'a> Parser<'a> {
 
         let is_name_required = match self.token.kind {
             token::DotDotDot => false,
+            // FIXME: Consider using interpolated token for this edition check,
+            // it should match the intent of edition hygiene better.
             _ => req_name(self.token.uninterpolate().span.edition()),
         };
         let (pat, ty) = if is_name_required || self.is_named_param() {