pdd27mmd branch rakudo segfault

[Allison Randal]

Moritz Lenz wrote:
> In the pdd27mmd branch rakudo segfaults on
> t/01-sanity/07-simple-multisubs.t.
> 
> The backtrace shows at least 2k nested calls to Parrot_MultiSub_get_iter
> (I didn't print out the full trace...), so I guess it's recursing
> infinitely, and then runs out of stack space.

Curiously, that test was passing a week ago, and the only thing that's 
really changed since then is merging trunk into the branch. This may be 
a merge problem. Looking into it.

Allison