Multiple record builder error

crates/compiler/parse/src/ast.rs

@@ -327,6 +327,7 @@ pub enum Expr<'a> {
     // Both operators were non-associative, e.g. (True == False == False).
     // We should tell the author to disambiguate by grouping them with parens.
     PrecedenceConflict(&'a PrecedenceConflict<'a>),
+    MultipleRecordBuilders(&'a Loc<Expr<'a>>),
 }
 
 #[derive(Clone, Copy, Debug, PartialEq)]
@@ -1533,7 +1534,8 @@ impl<'a> Malformed for Expr<'a> {
 
             MalformedIdent(_, _) |
             MalformedClosure |
-            PrecedenceConflict(_) => true,
+            PrecedenceConflict(_) |
+            MultipleRecordBuilders(_) => true,
         }
     }
 }

crates/compiler/parse/src/expr.rs

@@ -1928,6 +1928,7 @@ fn expr_to_pattern_help<'a>(arena: &'a Bump, expr: &Expr<'a>) -> Result<Pattern<
         | Expr::Dbg(_, _)
         | Expr::MalformedClosure
         | Expr::PrecedenceConflict { .. }
+        | Expr::MultipleRecordBuilders { .. }
         | Expr::RecordUpdate { .. }
         | Expr::UnaryOp(_, _)
         | Expr::Crash => return Err(()),