merge revision(s) 54628: [Backport #12296]
* compile.c (iseq_peephole_optimize): should not replace the current target INSN, not to follow the replaced dangling link in the caller. [ruby-core:74993] [Bug #11816]
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/branches/ruby_2_3@54635 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
merge revision(s) 54628: [Backport #12296]
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/branches/ruby_2_3@54635 b2dd03c8-39d4-4d8f-98ff-823fe69b080e