[Issue 10093] wrong unsigned arithmetic

[d-bugmail at puremagic.com]

http://d.puremagic.com/issues/show_bug.cgi?id=10093



--- Comment #11 from Steven Schveighoffer <schveiguy at yahoo.com> 2013-05-16 13:43:31 PDT ---
(In reply to comment #8)
> The original issue was:
> 
> auto offset = text1.length - text2.length;
> func(offset);
> 
> and offset turned out to be around 4294967291
> 
> I was thinking, setting a uint to a negative value is kind of an overflow,
> should it maybe be treated the same way like array bounds and be checked by
> druntime (with optional disabling in production release)?

No.  Just change func's parameter to an int.

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