io.c (rb_io_getline_fast, rb_io_getline_1): fix ARGF.lineno behavior. [ruby-core:25205]
test/ruby/test_argf.rb (TestArgf#test_lineno3): add a test for above.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@27308 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
io.c (rb_io_getline_fast, rb_io_getline_1): fix ARGF.lineno behavior. [ruby-core:25205]
test/ruby/test_argf.rb (TestArgf#test_lineno3): add a test for above.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@27308 b2dd03c8-39d4-4d8f-98ff-823fe69b080e