From 91e6c8b01924b4ef3bf9fdd336f3d3c381011653 Mon Sep 17 00:00:00 2001
From: Paul Berry <paulberry@google.com>
Date: Wed, 28 Mar 2018 07:53:04 +0000
Subject: [PATCH] Fix missing_return warning in expr_builder.dart

Change-Id: Ia1157d668f46114ded9f017dce3b11e202c6a76b
Reviewed-on: https://dart-review.googlesource.com/48561
Reviewed-by: Konstantin Shcheglov <scheglov@google.com>
Commit-Queue: Paul Berry <paulberry@google.com>
---
 pkg/analyzer/lib/src/summary/expr_builder.dart | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/pkg/analyzer/lib/src/summary/expr_builder.dart b/pkg/analyzer/lib/src/summary/expr_builder.dart
index bbec013e03a5d..df4be6e1806c6 100644
--- 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');
     }
   }