[lit] Forward LD_PRELOAD to tests.

With this patch I can use asan to test the gold plugin without having
to build gold itself with asan.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@221183 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/utils/lit/lit/TestingConfig.py b/utils/lit/lit/TestingConfig.py
index eb890674a74d1ba5d92f6a652d778f551963aaec..1006a285962e432a29bcd3a469b2e3f8a3f35a7c 100644 (file)
--- a/utils/lit/lit/TestingConfig.py
+++ b/utils/lit/lit/TestingConfig.py
@@ -24,6 +24,7 @@ class TestingConfig:
             'SYSTEMROOT' : os.environ.get('SYSTEMROOT',''),
             'TERM' : os.environ.get('TERM',''),
             'LLVM_DISABLE_CRASH_REPORT' : '1',
+            'LD_PRELOAD' : os.environ.get('LD_PRELOAD',''),
             }
 
         if sys.platform == 'win32':