Just speculating, but I think this can be fixed by codegen; to be specific, the inc_i op should be followed by a truncate in case of a sized variable.
2016-01-04 11:37 GMT+01:00 Elizabeth Mattijsen <l...@dijkmat.nl>: > > On 04 Jan 2016, at 00:25, Juerd Waalboer (via RT) < > perl6-bugs-follo...@perl.org> wrote: > > > > # New Ticket Created by Juerd Waalboer > > # Please include the string: [perl #127144] > > # in the subject line of all future correspondence about this issue. > > # <URL: https://rt.perl.org/Ticket/Display.html?id=127144 > > > > > > > Bug: > > > >> my uint8 $x = 255; print $x, " -> "; $x = $x + 1; say $x; > > 255 -> 0 > > > > Work as expected: > > > >> my uint8 $x = 256; say $x > > 0 > >> my uint8 $x = 255; print $x, " -> "; $x = $x + 1; say $x; > > 255 -> 0 > >> my int8 $x = 127; print $x, " -> "; $x++; say $x; > > 127 -> -128 > > > > I'd like to contribute tests for this; where in roast should I put them? > > Please suggest a filename :-) > > t/spec/S02-types/native.t probably. > > > > > Liz
