On 01/08/2014 11:18 AM, Edward Nevill wrote: > If I then add -XX:-DeoptimizeWhenPatching, IE > > java -Xcomp -XX:-DeoptimizeWhenPatching TestStackBangRbp > > The test passes. > > So it looks like a problem with stack overflow when deoptimizing (or having just deoptimized). You didn't say what your configured target was; I guess C1. Andrew.