False positives on Lint/UriRegexp cop

[wata727]

RuboCop v0.89.0 reports an offense when using regexp method, not URI.regexp. A small example is here:

def regexp
  /\A[a-z ]*\z/
end

'a' =~ regexp

Expected behavior

No offenses found

Actual behavior

Inspecting 1 file
W

Offenses:

example.rb:5:8: W: Lint/UriRegexp: URI.regexp is obsolete and should not be used. Instead, use URI::DEFAULT_PARSER.make_regexp.
'a' =~ regexp
       ^^^^^^

1 file inspected, 1 offense detected

Steps to reproduce the problem

Run rubocop against the above example code.

RuboCop version

Include the output of rubocop -V or bundle exec rubocop -V if using Bundler. Here's an example:

$ [bundle exec] rubocop -V
0.89.0 (using Parser 2.7.1.4, rubocop-ast 0.3.0, running on ruby 2.6.6 x86_64-darwin19)