Account for address santizer when setting C recursion limit

Author: markshannon

Lib/test/support/__init__.py

@@ -2374,6 +2374,8 @@ def adjust_int_max_str_digits(max_digits):
         C_RECURSION_LIMIT = 800
     elif sys.platform.startswith('win'):
         C_RECURSION_LIMIT = 3000
+    elif check_sanitizer(address=True):
+        C_RECURSION_LIMIT = 4000
     else:
         C_RECURSION_LIMIT = 10000
 

Lib/test/test_isinstance.py

@@ -352,7 +352,7 @@ def blowstack(fxn, arg, compare_to):
     # Make sure that calling isinstance with a deeply nested tuple for its
     # argument will raise RecursionError eventually.
     tuple_arg = (compare_to,)
-    for cnt in range(support.EXCEEDS_RECURSION_LIMIT):
+    for cnt in range(support.C_RECURSION_LIMIT * 2):
         tuple_arg = (tuple_arg,)
         fxn(arg, tuple_arg)