1 files changed, 8 insertions, 0 deletions
diff --git a/Lib/test/support/__init__.py b/Lib/test/support/__init__.py
index 38d5012..900b9c9 100644
--- a/Lib/test/support/__init__.py
+++ b/Lib/test/support/__init__.py
@@ -436,6 +436,14 @@ def skip_if_sanitizer(reason=None, *, address=False, memory=False, ub=False):
     return unittest.skipIf(skip, reason)
 
 
+def set_sanitizer_env_var(env, option):
+    for name in ('ASAN_OPTIONS', 'MSAN_OPTIONS', 'UBSAN_OPTIONS'):
+        if name in env:
+            env[name] += f':{option}'
+        else:
+            env[name] = option
+
+
 def system_must_validate_cert(f):
     """Skip the test on TLS certificate validation failures."""
     @functools.wraps(f)