http://d.puremagic.com/issues/show_bug.cgi?id=8741

           Summary: [CTFE] Incorrect static array assign results in
                    constructor
           Product: D
           Version: D2
          Platform: All
        OS/Version: All
            Status: NEW
          Severity: major
          Priority: P2
         Component: DMD
        AssignedTo: nobody@puremagic.com
        ReportedBy: peter.alexander.au@gmail.com


--- Comment #0 from Peter Alexander <peter.alexander.au@gmail.com> 2012-09-30 16:42:16 PDT ---
struct Vec2
{
    this(float x)
    {
        m[0] = x;
        m[1] = x;
    }
    float[2] m;
    static Vec2 zeroes = Vec2(0);
}

void main()
{
    import std.stdio;
    writeln(Vec2.zeroes);
}

Output is:
Vec2([0, nan])

http://dpaste.dzfl.pl/77058efc

Using two parameters for the constructor makes the bug go away: http://dpaste.dzfl.pl/7ea20ba0

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Don <clugdbug@yahoo.com.au> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
           Keywords|                            |wrong-code
                 CC|                            |clugdbug@yahoo.com.au
            Summary|[CTFE] Incorrect static     |wrong code for struct
                   |array assign results in     |member initialized using
                   |constructor                 |struct constructor


--- Comment #1 from Don <clugdbug@yahoo.com.au> 2012-10-02 00:04:08 PDT ---
Was "CTFE: Incorrect static array assign results in constructor"

This doesn't involve CTFE, it's a semantic error. It is deciding if Vec2(0) is
a struct literal or a constructor, before it has worked out that Vec2 even has
a constructor. So it decides (incorrectly) that it's a struct literal.
It doesn't require static arrays, either. The constructor just doesn't get
called at all.

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Don <clugdbug@yahoo.com.au> changed:

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


--- Comment #2 from Don <clugdbug@yahoo.com.au> 2012-10-02 00:26:26 PDT ---
https://github.com/D-Programming-Language/dmd/pull/1157

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--- Comment #3 from github-bugzilla@puremagic.com 2013-01-02 20:54:43 PST ---
Commit pushed to master at https://github.com/D-Programming-Language/dmd

https://github.com/D-Programming-Language/dmd/commit/39207df0a43e1a39a4dcd169505758884cb992d3 Fix issue 8741 wrong code for struct member init using struct ctor

Generate an error if we need to decide if it is a ctor or not, when we haven't determined the size yet.

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Walter Bright <bugzilla@digitalmars.com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|NEW                         |RESOLVED
                 CC|                            |bugzilla@digitalmars.com
         Resolution|                            |FIXED


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Don <clugdbug@yahoo.com.au> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |sludwig@outerproduct.org


--- Comment #4 from Don <clugdbug@yahoo.com.au> 2013-01-16 03:07:00 PST ---
*** Issue 3863 has been marked as a duplicate of this issue. ***

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

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |magnus_lindberg@live.se


--- Comment #5 from Kenji Hara <k.hara.pg@gmail.com> 2013-02-17 02:08:21 PST ---
*** Issue 9519 has been marked as a duplicate of this issue. ***

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