If I run test/g410.ijs often enough, I get:

100 RUN2 'g410'
.......
1 1 1 1 1 1 1 1
   (g = gamma) x=: _4.1 _4.9 4.1 4.9 j./_0.4 _0.5 0.4 0.5 _4 _5 4 5
1 1 1 1 1 1 1 1
1 1 1 1 1 1 1 1
1 1 1 1 1 1 1 1
1 1 1 1 1 1 1 1

   (g =!.1e_12 gamma) 1.5
1
   (g =!.1e_12 gamma) 1r3 1r2 2r3
1 1 1
   (g =!.1e_12 gamma) x=:   1e_2*_7e2+?2 20$2e3
1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1
1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1
   (g =!.1e_12 gamma) x=:   3e_2*_7e2+?2 20$2e3
1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1
1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1
   (g =!.1e_12 gamma) z=:j./1e_2*_7e2+?2 20$2e3
1 1 1 0 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1
|assertion failure
|[-103] /home/wheagy/git/jsource/test/g410.ijs

Which specific value is wrong changes from failure to failure, but it's always this line, and it appears to happen about every 50 to 100 iterations. This happens on debian linux 32 and 64nonavx, with the latest beta release and when compiled from the latest version on github.

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