http://d.puremagic.com/issues/show_bug.cgi?id=9571


Dicebot <m.strashun@gmail.com> changed:

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


--- Comment #9 from Dicebot <m.strashun@gmail.com> 2013-04-11 00:32:09 PDT ---
Thanks for tracking down the root cause for this specific issue. I'll move my pull request to its own issue then.

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--- Comment #10 from Dicebot <public@dicebot.lv> 2013-09-13 07:50:45 PDT ---
The root cause of this issues got hidden / fixed by https://github.com/D-Programming-Language/dmd/pull/2550 (as only one template instance is emitted and thus only one literal ID gets generated).

I can't imagine any other way to manifest this issue (without using template instances) but it may be theoretically possible.

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--- Comment #11 from Kenji Hara <k.hara.pg@gmail.com> 2013-09-17 01:26:10 PDT ---
(In reply to comment #10)
> The root cause of this issues got hidden / fixed by https://github.com/D-Programming-Language/dmd/pull/2550 (as only one template instance is emitted and thus only one literal ID gets generated).
> 
> I can't imagine any other way to manifest this issue (without using template instances) but it may be theoretically possible.

Able to cause the issue by combining -inline.

//a.d
import b;
void main()
{
    foo();
}

// b.d
struct MapResult(alias fun)
{
    void bar() { fun(0); }
}
auto foo()
{
    alias MapResult!(function(int c) => 0) M;
    M m;
    m.bar();
}

Command:
$ dmd -inline -c a.d
$ dmd -inline -c b.d
$ dmd -oftest.exe a.obj b.obj
OPTLINK (R) for Win32  Release 8.00.12
Copyright (C) Digital Mars 1989-2010  All rights reserved.
http://www.digitalmars.com/ctg/optlink.html
a.obj(a)
 Error 42: Symbol Undefined
_D1b51__T9MapResultS34_D1b3foo14__funcliteral4FNaNbNfiZiZ9MapResult3barMFNaNbNfZv
--- errorlevel 1

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

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


--- Comment #12 from Kenji Hara <k.hara.pg@gmail.com> 2013-09-17 01:29:05 PDT ---
https://github.com/D-Programming-Language/dmd/pull/2566

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--- Comment #13 from github-bugzilla@puremagic.com 2013-09-17 02:51:20 PDT ---
Commits pushed to master at https://github.com/D-Programming-Language/dmd

https://github.com/D-Programming-Language/dmd/commit/225188755132e42ae97ca398be7d7f3af2b5a1e2 fix Issue 9571 - link error due to using unique ids in anonymous funcliteral

https://github.com/D-Programming-Language/dmd/commit/3395a17dfe506c7a0dcf7370e7e4de4d98391528 Merge pull request #2566 from 9rnsr/fix9571

Issue 9571 - link error due to using unique ids in anonymous funcliteral

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

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


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--- Comment #14 from deadalnix <deadalnix@gmail.com> 2013-09-19 09:50:58 PDT ---
(In reply to comment #12)
> https://github.com/D-Programming-Language/dmd/pull/2566

Dude, I'm not in Japan for so long, but if you have one moment on Tokyo next week, I'd buy you a beer (or whatever you prefer).

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