merge revision(s) 53819,53822: [Backport #12068]
* eval.c (setup_exception): set the cause only if it is explicitly given or not set yet. [Bug #12068]
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/branches/ruby_2_3@54617 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
Added by nagachika (Tomoyuki Chikanaga) about 8 years ago
merge revision(s) 53819,53822: [Backport #12068]
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/branches/ruby_2_3@54617 b2dd03c8-39d4-4d8f-98ff-823fe69b080e