Regression in maximum path size

With matplotlib 1.4.3 it is possible to draw at least a random time series of 70,000 points on the Qt4Agg backend:

$ python -c 'import numpy as np; from matplotlib import pyplot as plt; plt.plot(np.random.rand(70000)); plt.show()'

With the current HEAD, an OverflowError is thrown:

OverflowError: In draw_path: Exceeded cell block limit

Perhaps it's just a transient regression, but I didn't see it mentioned anywhere.

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