Le 21/11/2016 à 00:51, Guillaume Munch a écrit :
Backtrace is attached.

Thank you for the trace. Does the attached patch help?

-       if (w < 0)
-               // this is not expected to happen (but it does)
+       if (w <= 0)
+               // w < 0 is not expected to happen (but it does)

Can you expand on when w<0 happens? I think that fixing problems (other than with an explicit workaround) is often a better idea in the long run.

JMarc

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