Ruby

vm.c: rewrite all catch points

• vm.c (rb_vm_rewrite_ep_in_errinfo): rewrite all catch points in
  errinfo, not only the topmost frame. based on the patch by
  ktsj (Kazuki Tsujimoto) in [ruby-dev:45656]. [Bug #6460]

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@37430 b2dd03c8-39d4-4d8f-98ff-823fe69b080e