Index: utils/lit/lit/llvm/config.py
===================================================================
--- utils/lit/lit/llvm/config.py
+++ utils/lit/lit/llvm/config.py
@@ -77,7 +77,7 @@
         if target_triple:
             if re.match(r'^x86_64.*-apple', target_triple):
                 if 'address' in sanitizers:
-                    self.with_environment('ASAN_OPTIONS', 'detect_leaks=1', append_path=True)
+                    self.with_environment('ASAN_OPTIONS', 'detect_leaks=1')
             if re.match(r'^x86_64.*-linux', target_triple):
                 features.add("x86_64-linux")
             if re.match(r'.*-win32$', target_triple):