Conversion could overflow variable

[stefandrissen]

A continuation of #1076 - after updating to V2.23 truncate will still flag the rule:

def var i1 as int.
def var i2 as int.

i2 = truncate( i1 / 2, 0 ).

[stefandrissen]

Just leaving this here :-)

[gquerret]

That's just in case you change to exp(2, 31) + 1 😄