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-rw-r--r--Misc/NEWS.d/next/Core and Builtins/2019-10-10-20-42-09.bpo-38437.z_0mZp.rst2
-rw-r--r--Modules/gcmodule.c7
2 files changed, 7 insertions, 2 deletions
diff --git a/Misc/NEWS.d/next/Core and Builtins/2019-10-10-20-42-09.bpo-38437.z_0mZp.rst b/Misc/NEWS.d/next/Core and Builtins/2019-10-10-20-42-09.bpo-38437.z_0mZp.rst
new file mode 100644
index 0000000..69a8843
--- /dev/null
+++ b/Misc/NEWS.d/next/Core and Builtins/2019-10-10-20-42-09.bpo-38437.z_0mZp.rst
@@ -0,0 +1,2 @@
+Activate the ``GC_DEBUG`` macro for debug builds of the interpreter (when
+``Py_DEBUG`` is set). Patch by Pablo Galindo.
diff --git a/Modules/gcmodule.c b/Modules/gcmodule.c
index b1e802e..a1cb323 100644
--- a/Modules/gcmodule.c
+++ b/Modules/gcmodule.c
@@ -37,7 +37,10 @@ module gc
[clinic start generated code]*/
/*[clinic end generated code: output=da39a3ee5e6b4b0d input=b5c9690ecc842d79]*/
-#define GC_DEBUG (0) /* Enable more asserts */
+
+#ifdef Py_DEBUG
+# define GC_DEBUG
+#endif
#define GC_NEXT _PyGCHead_NEXT
#define GC_PREV _PyGCHead_PREV
@@ -316,7 +319,7 @@ append_objects(PyObject *py_list, PyGC_Head *gc_list)
return 0;
}
-#if GC_DEBUG
+#ifdef GC_DEBUG
// validate_list checks list consistency. And it works as document
// describing when expected_mask is set / unset.
static void