I realize that there is no probkem with the evaluation of 'circ?.
Could 'later be (miss)used to cause some havick when it writes back data?
What about timer triggered code?
Am 10.02.2017 22:40 schrieb "Alexander Burger" <a...@software-lab.de>:
> Hi Joh-Tob,
> > Doesn't 'circ? also set the gc bit?
> Well observed!! That't true, but it is the "other" mark bit. While gc uses
> bit in the CDR
> or (X CDR) 1 # Set mark bit
> uses 'circ' the one in the CAR of the cell
> or (A) 1 # Mark
> > Could it be possible that 'circ? evaluates a term which accesses
> > with a changed pointer?
> The bits are only set after all evaluation is done, and the raw circ
> processing runs. Then the bits are cleared (as after garbage collection
> ♪♫ Alex
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