Fix missing_return warning in expr_builder.dart

Change-Id: Ia1157d668f46114ded9f017dce3b11e202c6a76b Reviewed-on: https://dart-review.googlesource.com/48561 Reviewed-by: Konstantin Shcheglov <[email protected]> Commit-Queue: Paul Berry <[email protected]>
flutter · Mar 28, 2018 · 91e6c8b · 91e6c8b
1 parent 59de971
commit 91e6c8b
Showing 1 changed file with 2 additions and 0 deletions.
diff --git a/pkg/analyzer/lib/src/summary/expr_builder.dart b/pkg/analyzer/lib/src/summary/expr_builder.dart
@@ -405,6 +405,8 @@ class ExprBuilder {
         return postfix(TokenType.PLUS_PLUS);
       case UnlinkedExprAssignOperator.postfixDecrement:
         return postfix(TokenType.MINUS_MINUS);
+      default:
+        throw new UnimplementedError('Unexpected UnlinkedExprAssignOperator');
     }
   }