Index: test/asan/lit.cfg
===================================================================
--- test/asan/lit.cfg
+++ test/asan/lit.cfg
@@ -15,6 +15,8 @@
 def push_dynamic_library_lookup_path(config, new_path):
   if platform.system() == 'Windows':
     dynamic_library_lookup_var = 'PATH'
+  elif platform.system() == 'Darwin':
+    dynamic_library_lookup_var = 'DYLD_LIBRARY_PATH'
   else:
     dynamic_library_lookup_var = 'LD_LIBRARY_PATH'