August 03, 2011
  Branch: refs/heads/master
  Home:   https://github.com/D-Programming-Language/dmd

  Commit: 5ce317469f04cffe4fbd64f8a910e05849d0df9a
      https://github.com/D-Programming-Language/dmd/commit/5ce317469f04cffe4fbd64f8a910e05849d0df9a
  Author: Walter Bright <walter at walterbright.com>
  Date:   2011-08-03 (Wed, 03 Aug 2011)

  Changed paths:
    M src/backend/cgelem.c

  Log Message:
  -----------
  fix use before set error


August 03, 2011
On Wednesday, August 03, 2011 9:54:17 AM, noreply at github.com wrote:
> Branch: refs/heads/master
>   Home:   https://github.com/D-Programming-Language/dmd
> 
>   Commit: 5ce317469f04cffe4fbd64f8a910e05849d0df9a
>       https://github.com/D-Programming-Language/dmd/commit/5ce317469f04cffe4fbd64f8a910e05849d0df9a
>   Author: Walter Bright <walter at walterbright.com>
>   Date:   2011-08-03 (Wed, 03 Aug 2011)
> 
>   Changed paths:
>     M src/backend/cgelem.c
> 
>   Log Message:
>   -----------
>   fix use before set error

I just re-tested 5239 on linux64 to see if this changed fixed that case of the error.  Unfortunately it doesn't.