QtCharts::QValueAxis doesn't work with small numbers (<1e-12)

It seems charts are not drawn correctly if they have a QValueAxis containing small values (<1e-12).

See attached example main.cpp - The chart is drawn when scale is 1e-12, but is not drawn when scale is 1e-13 or lower.

Note that occasionally the charts are drawn depending on a sequence of setRange being called before and after the axis are attached to the chart, so it can actually draw charts properly with values in the range 1e-20, but there doesn't seem to be a reliable sequence to get it to work.