http://d.puremagic.com/issues/show_bug.cgi?id=10118

           Summary: BigInt as associative array key wrong behavior
           Product: D
           Version: D2
          Platform: All
        OS/Version: All
            Status: NEW
          Severity: normal
          Priority: P2
         Component: druntime
        AssignedTo: nobody@puremagic.com
        ReportedBy: alvaro.segura@gmail.com


--- Comment #0 from Alvaro <alvaro.segura@gmail.com> 2013-05-19 09:05:16 PDT ---
Associative arrays with BigInts as keys are unusable:

import std.bigint, std.stdio;
void main()
{
    int[BigInt] a;
    a[BigInt(3)] = 3;
    a[BigInt(3)] = 4;
    writeln(a);
}

Prints:

[3:3, 3:4]

Apparently duplicate keys.

Probably related to Issue 8435.

I thought this was a consequence of Issue 3789 because BigInt is a struct containing a string. But that was resolved recently, and this bug still appears in 2.063 beta.

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--- Comment #1 from hsteoh@quickfur.ath.cx 2013-07-07 18:11:20 PDT ---
Seems to be a duplicate of #8435.

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--- Comment #2 from hsteoh@quickfur.ath.cx 2013-07-07 18:12:43 PDT ---
Bug #8435, that is.

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--- Comment #3 from hsteoh@quickfur.ath.cx 2013-07-08 07:55:51 PDT ---
https://github.com/D-Programming-Language/phobos/pull/1402

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

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


--- Comment #4 from Kenji Hara <k.hara.pg@gmail.com> 2013-07-08 19:45:18 PDT ---
*** This issue has been marked as a duplicate of issue 8435 ***

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--- Comment #5 from github-bugzilla@puremagic.com 2013-07-22 17:44:33 PDT ---
Commits pushed to master at https://github.com/D-Programming-Language/phobos

https://github.com/D-Programming-Language/phobos/commit/70d4c03fe295dfdd320488b3e5435ede3b55640b Fix issues 8435, 10118.

https://github.com/D-Programming-Language/phobos/commit/fc12f98267b6506117d88a79fd51945d2db4c6b8 Merge pull request #1402 from quickfur/bigint_hash

Fix issues 8435, 10118.

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hsteoh@quickfur.ath.cx changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|RESOLVED                    |REOPENED
         Resolution|DUPLICATE                   |


--- Comment #6 from hsteoh@quickfur.ath.cx 2013-07-22 18:51:06 PDT ---
Issue #8435 has been fixed in git HEAD, but apparently the code in this bug is still failing, so reopening.

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--- Comment #7 from hsteoh@quickfur.ath.cx 2013-07-22 19:00:45 PDT ---
Apparently, DMD commit acd073afcb89d639c8c99cd7f8233788db6036d6 broke the fix for this bug.

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--- Comment #8 from Kenji Hara <k.hara.pg@gmail.com> 2013-07-23 00:01:28 PDT ---
(In reply to comment #7)
> Apparently, DMD commit acd073afcb89d639c8c99cd7f8233788db6036d6 broke the fix for this bug.

I opened additional compiler change to fix BigInt issue: https://github.com/D-Programming-Language/dmd/pull/2374

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hsteoh@quickfur.ath.cx changed:

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


--- Comment #9 from hsteoh@quickfur.ath.cx 2013-07-25 09:31:17 PDT ---
Verified fixed in dmd git HEAD. Thanks for the fast response, Kenji!!

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