dmd from git segfaulting when used with wrong version of druntime

[Walter Bright]

On 5/8/2012 1:05 PM, deadalnix wrote:
> I'm running linux debian x86_64, it may matter.
>
> The current version of dmd in git master segfault every single time it is ran
> with an old version of druntime. This is already an issue that the compiler
> segfault instead of providing any usefull error message (or at least a stack
> trace, which I can't get even with gdb for unknown reasons).
>
> But worse : even with playing with the command line, I'm unable to get the right
> version of druntime used.
>
> This means that I'm reduced to either fuck up my whole system by replacing
> druntime by the git one, or modify global config file to achieve similar results.
>
> This means stop any meaning full work *IN* D when I work *ON* D. This is very
> problematic, and likely to stop me to work *ON* right now.
>
> Is it possible to use a given druntime with some command line when calling dmd ?
> If it is, HOW ? If it isn't, I highly encourage this to be planned ASAP.

This is a result of fixing the ABI for structs on Linux 64. You'll have to 
recompile druntime with the new dmd. A recompile of druntime/phobos should be 
sufficient.