merge revision(s) 48609: [Backport #10449] [Backport #11651]
* compile.c (iseq_compile_each): remove duplicated line event. [Bug #10449] * test/ruby/test_settracefunc.rb: add and fix tests.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/branches/ruby_2_1@52640 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
merge revision(s) 48609: [Backport #10449] [Backport #11651]
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/branches/ruby_2_1@52640 b2dd03c8-39d4-4d8f-98ff-823fe69b080e