[perl #127144] Native uint doesn't overflow on ++

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# 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 :-)
-- 
Met vriendelijke groet, // Kind regards, // Korajn salutojn,

Juerd Waalboer  <ju...@tnx.nl>
TNX