diff -r 10c3d1527e88 Lib/test/test_marshal.py
--- a/Lib/test/test_marshal.py	Sat May 14 07:25:37 2016 +0000
+++ b/Lib/test/test_marshal.py	Sat May 14 17:28:03 2016 +0100
@@ -234,7 +234,10 @@
         # Create a deeply nested structure.
         head = last = []
         # The max stack depth should match the value in Python/marshal.c.
-        MAX_MARSHAL_STACK_DEPTH = 2000
+        if os.name == 'nt' and hasattr(sys, 'gettotalrefcount'):
+            MAX_MARSHAL_STACK_DEPTH = 1000
+        else:
+            MAX_MARSHAL_STACK_DEPTH = 2000
         for i in range(MAX_MARSHAL_STACK_DEPTH - 2):
             last.append([0])
             last = last[-1]
diff -r 10c3d1527e88 Python/marshal.c
--- a/Python/marshal.c	Sat May 14 07:25:37 2016 +0000
+++ b/Python/marshal.c	Sat May 14 17:28:03 2016 +0100
@@ -16,8 +16,13 @@
 /* High water mark to determine when the marshalled object is dangerously deep
  * and risks coring the interpreter.  When the object stack gets this deep,
  * raise an exception instead of continuing.
+ * On Windows debug builds, reduce this value.
  */
+#if defined(MS_WINDOWS) && defined(_DEBUG)
+#define MAX_MARSHAL_STACK_DEPTH 1000
+#else
 #define MAX_MARSHAL_STACK_DEPTH 2000
+#endif
 
 #define TYPE_NULL               '0'
 #define TYPE_NONE               'N'