http://d.puremagic.com/issues/show_bug.cgi?id=8990

           Summary: Forward reference error on three structs
           Product: D
           Version: unspecified
          Platform: All
        OS/Version: All
            Status: NEW
          Keywords: rejects-valid
          Severity: normal
          Priority: P2
         Component: DMD
        AssignedTo: nobody@puremagic.com
        ReportedBy: cbkbbejeap@mailinator.com
            Blocks: 340


--- Comment #0 from Nick Sabalausky <cbkbbejeap@mailinator.com> 2012-11-09 22:05:34 PST ---
From digitalmars.D.learn: http://forum.dlang.org/thread/mzssmbjertutrdgmrlyw@forum.dlang.org

struct A(T)
{
    T t;
}
struct B(T)
{
    A!(T)* a;
}
struct C
{
    B!(C)* b;
}

Result:
test.d(2): Error: struct test.A!(C).A has forward references
test.d(11): Error: template instance test.B!(C) error instantiating

Workaround:
Inside the definition of "struct B(T)", move "A!(T)" to an optional template
parameter:

struct B(T, U=A!(T))
{
    U* a;
}

This *might* be related to #6969, but I'm not sure.

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Rob T <alanb@ucora.com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |alanb@ucora.com


--- Comment #1 from Rob T <alanb@ucora.com> 2012-11-09 23:06:12 PST ---
> 
> This *might* be related to #6969, but I'm not sure.

Also appears to be related, if not identical, to this one http://d.puremagic.com/issues/show_bug.cgi?id=3834

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--- Comment #2 from Rob T <alanb@ucora.com> 2012-11-09 23:12:29 PST ---
(In reply to comment #1)
> > 
> > This *might* be related to #6969, but I'm not sure.
> 
> Also appears to be related, if not identical, to this one http://d.puremagic.com/issues/show_bug.cgi?id=3834

Scratch that, #3834 is not related to this one at all.

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--- Comment #3 from Don <clugdbug@yahoo.com.au> 2012-11-12 07:07:59 PST ---
Yes, looks identical to bug 6969 to me.

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Kenji Hara <k.hara.pg@gmail.com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
           Keywords|                            |pull


--- Comment #4 from Kenji Hara <k.hara.pg@gmail.com> 2012-11-13 04:19:13 PST ---
https://github.com/D-Programming-Language/dmd/pull/1280

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--- Comment #5 from Nick Sabalausky <cbkbbejeap@mailinator.com> 2012-11-13 08:31:51 PST ---
@Don: FWIW, The reason I wasn't sure if this was the same was because if you take the #6969 test case and replace all the "class" with "struct", it works. But, of course, Hara's pull apparently fixes both, so all the better :)

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--- Comment #6 from github-bugzilla@puremagic.com 2012-11-13 12:27:42 PST ---
Commits pushed to master at https://github.com/D-Programming-Language/dmd

https://github.com/D-Programming-Language/dmd/commit/821fddfcd8188cf28ce379cdcf537fb2931a1d3d fix Issue 8990 - Forward reference error on three structs

https://github.com/D-Programming-Language/dmd/commit/c34c5fb0e67f7c48bb683ef409378fde6db33088 Merge pull request #1280 from 9rnsr/fix8990

Issue 6969 & 8990 - Forward reference error between three template instantiations

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Walter Bright <bugzilla@digitalmars.com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|NEW                         |RESOLVED
         Resolution|                            |FIXED


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