undefined method `prefix_not? in Style/OneLineConditional

[tas50]

Note: This isn't a dupe of #7728. This is the same error, but for different code.

Expected behavior

When autocorrecting in Style/OneLineConditional you should not receive any errors

Actual behavior

Autocorrect fails with this error:

Inspecting 1 file
An error occurred while Style/OneLineConditional cop was inspecting /Users/tsmith/Desktop/test.rb:1:12.
To see the complete backtrace run rubocop -d.
.

0 files inspected, no offenses detected
undefined method `prefix_not?' for s(:next):RuboCop::AST::Node
/Users/tsmith/dev/oss/rubocop/lib/rubocop/cop/style/one_line_conditional.rb:94:in `keyword_with_changed_precedence?'
/Users/tsmith/dev/oss/rubocop/lib/rubocop/cop/style/one_line_conditional.rb:82:in `requires_parentheses?'
/Users/tsmith/dev/oss/rubocop/lib/rubocop/cop/style/one_line_conditional.rb:74:in `expr_replacement'
/Users/tsmith/dev/oss/rubocop/lib/rubocop/cop/style/one_line_conditional.rb:67:in `to_ternary'
/Users/tsmith/dev/oss/rubocop/lib/rubocop/cop/style/one_line_conditional.rb:60:in `replacement'
/Users/tsmith/dev/oss/rubocop/lib/rubocop/cop/style/one_line_conditional.rb:39:in `block in autocorrect'
/Users/tsmith/dev/oss/rubocop/lib/rubocop/cop/cop.rb:36:in `call'
/Users/tsmith/dev/oss/rubocop/lib/rubocop/cop/corrector.rb:63:in `block (2 levels) in rewrite'
/usr/local/lib/ruby/gems/2.7.0/gems/parser-2.7.0.5/lib/parser/source/tree_rewriter.rb:220:in `transaction'
/Users/tsmith/dev/oss/rubocop/lib/rubocop/cop/corrector.rb:62:in `block in rewrite'
/Users/tsmith/dev/oss/rubocop/lib/rubocop/cop/corrector.rb:60:in `each'
/Users/tsmith/dev/oss/rubocop/lib/rubocop/cop/corrector.rb:60:in `rewrite'
/Users/tsmith/dev/oss/rubocop/lib/rubocop/cop/team.rb:136:in `autocorrect_all_cops'
/Users/tsmith/dev/oss/rubocop/lib/rubocop/cop/team.rb:72:in `autocorrect'
/Users/tsmith/dev/oss/rubocop/lib/rubocop/cop/team.rb:108:in `block in offenses'
/Users/tsmith/dev/oss/rubocop/lib/rubocop/cop/team.rb:125:in `investigate'
/Users/tsmith/dev/oss/rubocop/lib/rubocop/cop/team.rb:104:in `offenses'
/Users/tsmith/dev/oss/rubocop/lib/rubocop/cop/team.rb:44:in `inspect_file'
/Users/tsmith/dev/oss/rubocop/lib/rubocop/runner.rb:296:in `inspect_file'
/Users/tsmith/dev/oss/rubocop/lib/rubocop/runner.rb:244:in `block in do_inspection_loop'
/Users/tsmith/dev/oss/rubocop/lib/rubocop/runner.rb:276:in `block in iterate_until_no_changes'
/Users/tsmith/dev/oss/rubocop/lib/rubocop/runner.rb:269:in `loop'
/Users/tsmith/dev/oss/rubocop/lib/rubocop/runner.rb:269:in `iterate_until_no_changes'
/Users/tsmith/dev/oss/rubocop/lib/rubocop/runner.rb:240:in `do_inspection_loop'
/Users/tsmith/dev/oss/rubocop/lib/rubocop/runner.rb:119:in `block in file_offenses'
/Users/tsmith/dev/oss/rubocop/lib/rubocop/runner.rb:143:in `file_offense_cache'
/Users/tsmith/dev/oss/rubocop/lib/rubocop/runner.rb:117:in `file_offenses'
/Users/tsmith/dev/oss/rubocop/lib/rubocop/runner.rb:108:in `process_file'
/Users/tsmith/dev/oss/rubocop/lib/rubocop/runner.rb:87:in `block in each_inspected_file'
/Users/tsmith/dev/oss/rubocop/lib/rubocop/runner.rb:86:in `each'
/Users/tsmith/dev/oss/rubocop/lib/rubocop/runner.rb:86:in `reduce'
/Users/tsmith/dev/oss/rubocop/lib/rubocop/runner.rb:86:in `each_inspected_file'
/Users/tsmith/dev/oss/rubocop/lib/rubocop/runner.rb:73:in `inspect_files'
/Users/tsmith/dev/oss/rubocop/lib/rubocop/runner.rb:39:in `run'
/Users/tsmith/dev/oss/rubocop/lib/rubocop/cli/command/execute_runner.rb:21:in `execute_runner'
/Users/tsmith/dev/oss/rubocop/lib/rubocop/cli/command/execute_runner.rb:13:in `run'
/Users/tsmith/dev/oss/rubocop/lib/rubocop/cli/command.rb:10:in `run'
/Users/tsmith/dev/oss/rubocop/lib/rubocop/cli/environment.rb:17:in `run'
/Users/tsmith/dev/oss/rubocop/lib/rubocop/cli.rb:65:in `run_command'
/Users/tsmith/dev/oss/rubocop/lib/rubocop/cli.rb:72:in `execute_runners'
/Users/tsmith/dev/oss/rubocop/lib/rubocop/cli.rb:41:in `run'
/Users/tsmith/dev/oss/rubocop/exe/rubocop:13:in `block in <top (required)>'
/usr/local/Cellar/ruby/2.7.0/lib/ruby/2.7.0/benchmark.rb:308:in `realtime'
/Users/tsmith/dev/oss/rubocop/exe/rubocop:12:in `<top (required)>'
/usr/local/lib/ruby/gems/2.7.0/bin/rubocop:23:in `load'
/usr/local/lib/ruby/gems/2.7.0/bin/rubocop:23:in `<top (required)>'
/usr/local/lib/ruby/gems/2.7.0/gems/bundler-2.1.4/lib/bundler/cli/exec.rb:63:in `load'
/usr/local/lib/ruby/gems/2.7.0/gems/bundler-2.1.4/lib/bundler/cli/exec.rb:63:in `kernel_load'
/usr/local/lib/ruby/gems/2.7.0/gems/bundler-2.1.4/lib/bundler/cli/exec.rb:28:in `run'
/usr/local/lib/ruby/gems/2.7.0/gems/bundler-2.1.4/lib/bundler/cli.rb:476:in `exec'
/usr/local/lib/ruby/gems/2.7.0/gems/bundler-2.1.4/lib/bundler/vendor/thor/lib/thor/command.rb:27:in `run'
/usr/local/lib/ruby/gems/2.7.0/gems/bundler-2.1.4/lib/bundler/vendor/thor/lib/thor/invocation.rb:127:in `invoke_command'
/usr/local/lib/ruby/gems/2.7.0/gems/bundler-2.1.4/lib/bundler/vendor/thor/lib/thor.rb:399:in `dispatch'
/usr/local/lib/ruby/gems/2.7.0/gems/bundler-2.1.4/lib/bundler/cli.rb:30:in `dispatch'
/usr/local/lib/ruby/gems/2.7.0/gems/bundler-2.1.4/lib/bundler/vendor/thor/lib/thor/base.rb:476:in `start'
/usr/local/lib/ruby/gems/2.7.0/gems/bundler-2.1.4/lib/bundler/cli.rb:24:in `start'
/usr/local/lib/ruby/gems/2.7.0/gems/bundler-2.1.4/exe/bundle:46:in `block in <top (required)>'
/usr/local/lib/ruby/gems/2.7.0/gems/bundler-2.1.4/lib/bundler/friendly_errors.rb:123:in `with_friendly_errors'
/usr/local/lib/ruby/gems/2.7.0/gems/bundler-2.1.4/exe/bundle:34:in `<top (required)>'
/usr/local/opt/ruby/bin/bundle:23:in `load'
/usr/local/opt/ruby/bin/bundle:23:in `<main>'

Steps to reproduce the problem

Autocorrect this:

map{ |line| if line.match(/^\s*#/) || line.strip.empty? then next else line end }

RuboCop version

master