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digitalmars.D.bugs - [Issue 6426] New: Internal error with function-nested alias

reply d-bugmail puremagic.com writes:
http://d.puremagic.com/issues/show_bug.cgi?id=6426

           Summary: Internal error with function-nested alias
           Product: D
           Version: D2
          Platform: Other
        OS/Version: Windows
            Status: NEW
          Severity: blocker
          Priority: P2
         Component: DMD
        AssignedTo: nobody puremagic.com
        ReportedBy: andrej.mitrovich gmail.com



05:47:40 PDT ---
DMD 2.054, XP32:

import std.algorithm;

void main()
{
    alias reduce!((a, b){ return min(a, b); }) rngMin2;
    auto arr2 = map!(rngMin2)([[1, 2], [1, 2]]);
}

Internal error: toir.c 190


The code above can be written simpler like below:

import std.algorithm;
void main()
{
    alias reduce!(min) rngMin;
    auto arr1 = map!(rngMin)([[1, 2], [1, 2]]);  // ok
}

But that's beside the point.

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Aug 02 2011
next sibling parent d-bugmail puremagic.com writes:
http://d.puremagic.com/issues/show_bug.cgi?id=6426


bearophile_hugs eml.cc changed:

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



Same as 4504 ?

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Aug 22 2011
prev sibling next sibling parent d-bugmail puremagic.com writes:
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Walter Bright <bugzilla digitalmars.com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |bugzilla digitalmars.com



20:40:40 PDT ---


 Same as 4504 ?


No.

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Mar 12 2012
prev sibling next sibling parent d-bugmail puremagic.com writes:
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Max Klyga <necroment gmail.com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |necroment gmail.com



DMD 2.069, OS X 10.6.8

Reduced test case:

template unaryFun(alias fun) {
    alias fun unaryFun;
}

template map(fun...) {
    auto map(Range)(Range ) {
        alias unaryFun!fun _fun;
         property back() {
            _fun;
        }
    }
}

template reduce(fun...) {
    auto reduce()() {}
}

void main() {
    alias reduce!({}) rngMin2;
    map!rngMin2([]);
}

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Jul 29 2012
prev sibling next sibling parent d-bugmail puremagic.com writes:
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14:20:10 PDT ---


 DMD 2.069, OS X 10.6.8
 
 Reduced test case:


Your test case works, but my OP sample doesn't ICE anymore, instead it errors:

Error: function std.algorithm.MapResult!(reduce,int[][]).MapResult.back cannot
get frame pointer to reduce
Error: function std.algorithm.MapResult!(reduce,int[][]).MapResult.front cannot
get frame pointer to reduce
Error: function std.algorithm.MapResult!(reduce,int[][]).MapResult.opIndex
cannot get frame pointer to reduce

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Oct 04 2012
prev sibling next sibling parent d-bugmail puremagic.com writes:
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Andrej Mitrovic <andrej.mitrovich gmail.com> changed:

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



14:21:02 PDT ---
Anyway it's not a blocker.

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Oct 04 2012
prev sibling next sibling parent d-bugmail puremagic.com writes:
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Commit pushed to master at https://github.com/D-Programming-Language/dmd

https://github.com/D-Programming-Language/dmd/commit/5fa0354c6dffac5b982ed97ed94d022b6320619f
Error missing line number in bug 6426

Doesn't fix the actual bug, but makes the error message a bit less horrible.

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Nov 15 2012
prev sibling parent d-bugmail puremagic.com writes:
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Walter Bright <bugzilla digitalmars.com> changed:

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



18:08:21 PDT ---
This compiles successfully with 2.064 head.

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Oct 03 2013