The statistic profiler gets stuck

[LemonBoy]

take_profile_sample, which is called from within a signal handler, uses malloc to allocate new bins for its hash table.
Doing so is frowned upon as the signal may be processed while the runtime owns the global malloc lock leading to an awful deadlock.

I can confirm that I've been able to do a profiled run by replacing the malloc with a simple arena allocator.

[sjamaan]

Fixed with 40fe7dc9 and 41ca5155