Great! Thanks for filing that for me.

From: Anatoly Zaretsky
Sent: Tuesday, July 26, 2016 1:46 PM
To: Lana Black
Cc: Haskell Cafe
Subject: Re: [Haskell-cafe] How do I debug this RTS segfault?

Hello,

On Sun, Jul 24, 2016 at 8:50 PM, Lana Black <lanablack@amok.cc> wrote:
I have run into this RTS bug recently. In short, when executing multiple
consequtive forks, after 500-600 or so the process is terminated by
SIGSEGV. I know this kind of thing is totally artificial, but still.

Here's a bug report with some analysis: https://ghc.haskell.org/trac/ghc/ticket/12436