dmd 2.057 release
Christian Manning
cmanning999 at gmail.com
Fri Dec 16 13:37:50 PST 2011
On Friday, 16 December 2011 at 16:43:29 UTC, Jonathan M Davis
wrote:
> On Friday, December 16, 2011 16:26:11 Christian Manning wrote:
>> On Wednesday, 14 December 2011 at 07:05:25 UTC, Walter Bright
>>
>> wrote:
>> > Highlights are use of XMM floating point registers in 64 bit
>> > targets, and now supporting OS X 64 as a target.
>> >
>> > http://www.digitalmars.com/d/2.0/changelog.html
>> > http://ftp.digitalmars.com/dmd.2.057.zip
>> >
>> > A lot of people put a ton of effort into making this D's best
>> > release ever. Thanks!
>>
>> I found a bug when slicing static arrays. It's not new to 2.057
>> but I totally forgot about it (my bad) and didn't simplify a
>> test
>> case.
>>
>> auto x() {
>> ubyte[4] a;
>> return a;
>> }
>>
>> auto y() {
>> return x()[1..$];
>> }
>>
>> void main() {
>> y();
>> }
>>
>> Gives:
>> Internal error: ..\ztc\cgcs.c 354
>>
>> Is this known or should I file a bug?
>
> It may bhttp://d.puremagic.com/issues/show_bug.cgi?id=4414
>
> I'd point out though that that is really bad code, which should
> probably give an error when you try and compile it (though it
> obviously shouldn't cause the compiler to ICE regardless).
>
> http://d.puremagic.com/issues/show_bug.cgi?id=7087
>
> - Jonathan M Davis
It was just some mess around code, but I'll avoid it in the
future, so thanks for pointing it out :)
It does indeed look to be the same problem as
http://d.puremagic.com/issues/show_bug.cgi?id=4414
I should also point out that the appearance of the error is
dependant on the slice size.
How about this as a better test case?
ubyte[4] a;
auto x() {
return a;
}
void main() {
auto b = x()[1..$];
}
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