From 07b189977d88d1de595601e7137275e4f4ccd8a2 Mon Sep 17 00:00:00 2001
From: kennytm <kennytm@gmail.com>
Date: Sun, 8 Oct 2017 01:39:27 +0800
Subject: [PATCH] debuginfo-test: Fix #45086.

LLDB's output may be None instead of '', and that will cause type
mismatch when normalize_whitespace() expects a string instead of
None. This commit simply ensures we do pass '' even if the output
is None.
---
 src/etc/lldb_batchmode.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/etc/lldb_batchmode.py b/src/etc/lldb_batchmode.py
index 4952cf4f82c..24a0ce0ac36 100644
--- a/src/etc/lldb_batchmode.py
+++ b/src/etc/lldb_batchmode.py
@@ -81,7 +81,7 @@ def execute_command(command_interpreter, command):
 
     if res.Succeeded():
         if res.HasResult():
-            print(normalize_whitespace(res.GetOutput()), end='\n')
+            print(normalize_whitespace(res.GetOutput() or ''), end='\n')
 
         # If the command introduced any breakpoints, make sure to register
         # them with the breakpoint