http://d.puremagic.com/issues/show_bug.cgi?id=11440

           Summary: struct initialization with partially initialized data
                    crashes
           Product: D
           Version: D2
          Platform: All
        OS/Version: All
            Status: NEW
          Severity: normal
          Priority: P2
         Component: DMD
        AssignedTo: nobody@puremagic.com
        ReportedBy: dbdavidson@yahoo.com


--- Comment #0 from Daniel Davidson <dbdavidson@yahoo.com> 2013-11-04 11:22:54 PST ---
import std.stdio;

struct Y {
  private immutable(int)[] _data;
}

struct CFS {
  double x = 5;
  Y growth;
}

void main() {
  auto s = CFS(1.0);      // crash
  //auto s = CFS(1, Y()); // crash
  //auto s = CFS(1, Y([])); // works
  writeln(s);
}

If x is an int there is no problem.
If s is not accessed there is no problem, so it dies in the writeln call.

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Martin Krejcirik <mk@krej.cz> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |mk@krej.cz


--- Comment #1 from Martin Krejcirik <mk@krej.cz> 2013-11-04 22:11:15 CET ---
Can't reproduce both on Linux and Windows x86.

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burg.basile@yahoo.com changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |burg.basile@yahoo.com


--- Comment #2 from burg.basile@yahoo.com 2013-11-04 15:09:34 PST ---
import std.stdio;

struct Y {
  private
    immutable(int)[] _data;
    immutable(int)[] _data2;
}

struct CFS {
  double x = 5;
  Y growth;
}

void main() {
  auto s = CFS(1.0);
  writeln(s);
}

runs.

It seems to be more related to the the "private" token.

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--- Comment #3 from burg.basile@yahoo.com 2013-11-04 15:29:24 PST ---
(In reply to comment #2)
> import std.stdio;
> 
> struct Y {
>   private:
>     immutable(int)[] _data;
>     immutable(int)[] _data2;
> }
> 
> struct CFS {
>   double x = 5;
>   Y growth;
> }
> 
> void main() {
>   auto s = CFS(1.0);
>   writeln(s);
> }
> 
> runs.
> 
> It seems to be more related to the the "private" token.
EDIT:
BTW either with private: or private{*/two or more declarations/*}

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

           What    |Removed                     |Added
----------------------------------------------------------------------------
           Platform|All                         |x86_64
         OS/Version|All                         |Linux


--- Comment #4 from Kenji Hara <k.hara.pg@gmail.com> 2013-11-04 18:32:33 PST ---
http://forum.dlang.org/post/nlyjuddqfpdkwfkalxax@forum.dlang.org

> > It doesn't happen with -O, or when compiled with LDC or GDC.
> 
> And it doesn't happen when building with -m32 (I'm on x86_64
> linux).

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