http://d.puremagic.com/issues/show_bug.cgi?id=10504

           Summary: Tuple error: no property 'offsetof' for type 'int'
           Product: D
           Version: D2
          Platform: All
        OS/Version: All
            Status: NEW
          Severity: normal
          Priority: P2
         Component: DMD
        AssignedTo: nobody@puremagic.com
        ReportedBy: ibuclaw@ubuntu.com


--- Comment #0 from Iain Buclaw <ibuclaw@ubuntu.com> 2013-06-29 11:07:46 PDT ---
This test is one of the unittests in std.typecons.

https://github.com/D-Programming-Language/phobos/blob/master/std/typecons.d#L622


The autotester passes, so apparently it *should* work *somehow*, but trying to compile std.typecons alone with -unittest fails with:

Error: no property 'offsetof' for type 'int'
Error: no property 'offsetof' for type 'double'

Among some other errors and a nice SEGV, but I'll ignore that for the time being... This particular error is a show stopper for the autotester for gdc passing.


Reduced test:
---
import std.typecons;

void main()
{
  Tuple!(int, "a", double, "b") x;
  static assert(x.a.offsetof == x[0].offsetof);
  static assert(x.b.offsetof == x[1].offsetof);
}

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Iain Buclaw <ibuclaw@ubuntu.com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
           Severity|normal                      |blocker


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Andrej Mitrovic <andrej.mitrovich@gmail.com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |andrej.mitrovich@gmail.com


--- Comment #1 from Andrej Mitrovic <andrej.mitrovich@gmail.com> 2013-06-29 16:57:05 PDT ---
I've tried with 2.063.1, 2.063.2 and git-head but couldn't reproduce. I'm on win32, perhaps it's a platform-specific bug, although I kind of doubt it.

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bearophile_hugs@eml.cc changed:

           What    |Removed                     |Added
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                 CC|                            |bearophile_hugs@eml.cc


--- Comment #2 from bearophile_hugs@eml.cc 2013-06-29 17:08:11 PDT ---
(In reply to comment #1)
> I've tried with 2.063.1, 2.063.2 and git-head but couldn't reproduce. I'm on win32, perhaps it's a platform-specific bug, although I kind of doubt it.

I have tried various combinations on dpaste (64 bit) and I have seen no errors.

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--- Comment #3 from Iain Buclaw <ibuclaw@ubuntu.com> 2013-06-29 17:13:35 PDT ---
I do believe mine is dmd 2.063.0 64bit  (these point versions make things a bit complicated when it comes to testers. =)

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--- Comment #4 from Iain Buclaw <ibuclaw@ubuntu.com> 2013-06-29 17:19:15 PDT ---
Hmm... I can reproduce on all (debian package 2.063.0, 2.063.2, and zip 2.063.2).  Marking this as Linux-only if you windows guys have no problem.

Could be library bug rather than compiler perhaps...

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--- Comment #5 from Iain Buclaw <ibuclaw@ubuntu.com> 2013-06-29 17:59:05 PDT ---
Actually, I have just realised that was testing in the gdc libphobos folder, so dmd would be pulling in gdc's libphobos, rather than dmd's.

I see there are lots of differences between std.typecons in 2.063.0->2.063.2 so I'll upgrade my frontend to that new point release and retry...

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--- Comment #6 from Kenji Hara <k.hara.pg@gmail.com> 2013-06-30 01:27:42 PDT ---
Lack of fixing issue 10180?

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--- Comment #7 from Iain Buclaw <ibuclaw@ubuntu.com> 2013-06-30 04:41:23 PDT ---
(In reply to comment #6)
> Lack of fixing issue 10180?

Possibly... but that fixed isn't in 2.063.x

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--- Comment #8 from Kenji Hara <k.hara.pg@gmail.com> 2013-06-30 06:03:50 PDT ---
(In reply to comment #7)
> (In reply to comment #6)
> > Lack of fixing issue 10180?
> 
> Possibly... but that fixed isn't in 2.063.x

Yes. But, at the same time, 2.063.x Phobos does not contain my Tuple improvement.

https://github.com/D-Programming-Language/phobos/pull/1308

So the issue would occur only with 2.063.x release dmd + git head Phobos

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