Please review runtime support for LW2 array covariance[1]: http://cr.openjdk.java.net/~dsimms/valhalla/lw2_arrays/webrev5/ Further testing is needed, but requires javac (for ease of writing) /David Simms [1] https://mail.openjdk.java.net/pipermail/valhalla-dev/2019-April/005600.html