merge revision(s) 49452: [Backport #10813]
* thread_pthread.c (reserve_stack): fix intermittent SIGBUS on Linux, by reserving the stack virtual address space at process start up so that it will not clash with the heap space. [Fix GH-822]
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/branches/ruby_2_2@49578 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
merge revision(s) 49452: [Backport #10813]
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/branches/ruby_2_2@49578 b2dd03c8-39d4-4d8f-98ff-823fe69b080e