BUG: don't fail when lexsorting some empty arrays (#14228) #14338
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charris
added
00 - Bug
component: numpy._core
08 - Backport
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Backport of #14240.
np.lexsortwould fail on empty arrays with non-standard strides as a result of the changes in #13691. While fixing this I tried to also solve a couple of other problems/leaks that could be triggered in low-memory situations.Fixes #14228