FIX #21475: Expr_::ExprPath with two fields

src/libsyntax/parse/parser.rs

@@ -3541,12 +3541,12 @@ pub fn parse_pat(&mut self) -> P<Pat> {
                     }
                     token::DotDotDot => {
                         let hi = self.last_span.hi;
-                        let start = self.mk_expr(lo, hi, ExprPath(enum_path));
+                        let start = self.mk_expr(lo, hi, ExprPath(None, enum_path));
                         self.eat(&token::DotDotDot);
                         let end = if self.token.is_ident() || self.token.is_path() {
                             let path = self.parse_path(LifetimeAndTypesWithColons);
                             let hi = self.span.hi;
-                            self.mk_expr(lo, hi, ExprPath(path))
+                            self.mk_expr(lo, hi, ExprPath(None, path))
                         } else {
                             self.parse_literal_maybe_minus()
                         };