Debugging dict refcount issue.

gistfile1.diff

diff --git a/Objects/dictobject.c b/Objects/dictobject.c
index 5cf9ad1..d6b9c8d 100644
--- a/Objects/dictobject.c
+++ b/Objects/dictobject.c
@@ -8,6 +8,7 @@
 */
 
 #include "Python.h"
+#include "frameobject.h"
 
 
 /* Set a key error with the specified argument, wrapping it in a
@@ -266,6 +267,19 @@ PyDict_New(void)
 	++created;
 #endif
 	_PyObject_GC_TRACK(mp);
+
+	printf("New dict: %#012x\n", mp);
+	PyInterpreterState *interp = PyThreadState_GET()->interp;
+	PyThreadState *thread_state = interp->tstate_head;
+	PyFrameObject *frame = thread_state->frame;
+	if ( frame == NULL ) {
+		printf("    (no frame)\n");
+	} else {
+		PyCodeObject *current_code = frame->f_code;
+		printf("    %s:%i\n", PyString_AsString(current_code->co_filename), current_code->co_firstlineno);
+	}
+
+
 	return (PyObject *)mp;
 }