ko1 / atdot.net wrote: > (1) can be incompatibility issue so that I don't propose this fix strongly. > Interpreter core doesn't depends on this spec, but C-exts can be affected. I think the only thing I've seen C-exts depend on is Qfalse == 0 (which this preserves) > Strange thing is: vm1_const I suspect this is CPU-specific behaviors. I cannot see the difference on my AMD FX-8320 (on vm1_const, haven't tested others)