merge revision(s) 63133: [Backport #14566]
eval_error.c: fix loop on exception in message * error.c (rb_get_message): accessor to the message. * eval_error.c (rb_ec_error_print): handle exceptions on fetching the message. [Bug #14566]
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/branches/ruby_2_5@64319 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
merge revision(s) 63133: [Backport #14566]
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/branches/ruby_2_5@64319 b2dd03c8-39d4-4d8f-98ff-823fe69b080e