From eb0df9b285c90dc7f22366c775dd69b490ec840f Mon Sep 17 00:00:00 2001
From: Jonas Devlieghere <jonas@devlieghere.com>
Date: Wed, 28 Aug 2019 00:52:08 +0000
Subject: [PATCH] [lit] Fix the way we check if an environment var is set

The old method would throw a KeyError.

llvm-svn: 370138
---
 lldb/lit/Suite/lit.cfg | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/lldb/lit/Suite/lit.cfg b/lldb/lit/Suite/lit.cfg
index a0d4dc4ff31f..80117eb67080 100644
--- a/lldb/lit/Suite/lit.cfg
+++ b/lldb/lit/Suite/lit.cfg
@@ -39,7 +39,7 @@ def find_shlibpath_var():
   elif platform.system() == 'Windows':
     yield 'PATH'
 
-if not config.environment['DYLD_INSERT_LIBRARIES']:
+if 'DYLD_INSERT_LIBRARIES' in os.environ:
   # Shared library build of LLVM may require LD_LIBRARY_PATH or equivalent.
   # This clashes with DYLD_INSERT_LIBRARIES which is needed on Darwin.
   for shlibpath_var in find_shlibpath_var():