[PATCH] A workaround for getting process memory map taking too long for sanitizers on FreeBSD

[Viktor Kutuzov]

> The functionality for getting process mappings on FreeBSD is exposed via libprocstat. Is there a reason for this code not to use this library?

That library relies on sysctl(KERN_PROC_VMMAP) so we would need to workaround it anyway.

http://reviews.llvm.org/D3732