From b98a6d71088106d422994687c871cf51389cde39 Mon Sep 17 00:00:00 2001
From: Travis Oliphant <oliphant@enthought.com>
Date: Mon, 23 Oct 2006 22:22:41 +0000
Subject: Don't allow builtin data-type objects to be deallocated.

---
 numpy/core/src/arrayobject.c | 7 +++++++
 1 file changed, 7 insertions(+)

(limited to 'numpy/core/src/arrayobject.c')

diff --git a/numpy/core/src/arrayobject.c b/numpy/core/src/arrayobject.c
index 2aea422ae..c283c3eb7 100644
--- a/numpy/core/src/arrayobject.c
+++ b/numpy/core/src/arrayobject.c
@@ -10562,6 +10562,13 @@ PyArray_DescrNew(PyArray_Descr *base)
 static void
 arraydescr_dealloc(PyArray_Descr *self)
 {
+        if (self->fields == Py_None) {
+                fprintf(stderr, "*** Reference count error detected: \n" \
+                        "an attempt was made to deallocate %d (%c) ***\n", 
+                        self->type_num, self->type);
+                Py_INCREF(self);
+                return;
+        }
         Py_XDECREF(self->typeobj);
         Py_XDECREF(self->names);
         Py_XDECREF(self->fields);
-- 
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