From 4dea23f79ee7f0858bfad43062ac11d5954dabd7 Mon Sep 17 00:00:00 2001
From: Evan You <yyx990803@gmail.com>
Date: Thu, 3 Oct 2019 15:17:45 -0400
Subject: [PATCH] fix(compiler): exclude BAIL flag in annotations

---
 packages/compiler-core/src/transforms/transformElement.ts | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/packages/compiler-core/src/transforms/transformElement.ts b/packages/compiler-core/src/transforms/transformElement.ts
index 069c79345b..ceb7fbf292 100644
--- a/packages/compiler-core/src/transforms/transformElement.ts
+++ b/packages/compiler-core/src/transforms/transformElement.ts
@@ -122,8 +122,9 @@ export const transformElement: NodeTransform = (node, context) => {
           }
           if (__DEV__) {
             const flagNames = Object.keys(PatchFlagNames)
-              .filter(n => patchFlag & Number(n))
-              .map(n => PatchFlagNames[n as any])
+              .map(Number)
+              .filter(n => n > 0 && patchFlag & n)
+              .map(n => PatchFlagNames[n])
               .join(`, `)
             args.push(patchFlag + ` /* ${flagNames} */`)
           } else {
-- 
2.47.3