merge revision(s) 58658: [Backport #13554]
process.c: temporary string for buffer * process.c (obj2uid, obj2gid): use temporary string as the buffer instead of `rb_alloc_tmp_buffer`, which is `NODE_ALLOCA` since r51492. [ruby-core:81084] [Bug #13554]
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/branches/ruby_2_4@59293 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
merge revision(s) 58658: [Backport #13554]
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/branches/ruby_2_4@59293 b2dd03c8-39d4-4d8f-98ff-823fe69b080e