is this a bug? opUnary!"++" Error: var has no effect

[Zach the Mystic]

On 2/8/12 4:58 PM, Timon Gehr wrote:
> This is indeed a bug.
>
> The expression is rewritten internally into (pseudo code)
>
> (auto __pitmp1481 = has.myArc, has.myArc.opUnary!"++"(), __pitmp1481);
>
> This introduces a sub-expression with no effect.

Is that because has.myArc.opUnary!"++"() is going to be ignored at that 
level of compiler activity? The compiler demands only that __pitmp1481 
has a value at that point?

> You may want to file a
> bug report. For now, just using ++has.myArc; should work around the issue.

http://d.puremagic.com/issues/show_bug.cgi?id=7467

Thanks, man. You're awesome!