numpy/numpy — pull request #3124 by njsmith (2013-03-06 18:59:50+00:00)
Title: BUG: PyArray_LexSort allocates too much temporary memory.

PyArray_LexSort was allocating memory to hold actual PyArrayObject's
and PyArrayIterObject's, but only storing pointers to such objects
in the array.

(backport of #2976)