vm_core.h: rb_exc_set_backtrace declaration
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@55201 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
vm_core.h: rb_exc_set_backtrace declaration
eval_error.c and vm_args.c.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@55201 b2dd03c8-39d4-4d8f-98ff-823fe69b080e