Regression: Lint/SuppressedException false positive at singleton method def

[Tietew]

Lint/SuppressedException (with AllowComments: true) is detected at direct rescue in singleton method def.

class Foo
  def self.foo
    something
  rescue FooException
    # Ok
  end
end

---

Expected behavior

No offences detected.

Actual behavior

Lint/SuppressedException is detected at:

• direct rescue (def ... rescue ... end) with/without exception class in singleton method def

Not detected at:

• direct (def ... rescue ... end) rescue in non-singleton def
• indirect (begin ... rescue ... end) rescue

Steps to reproduce the problem

test.rb

def foo
  something
rescue DirectRescueInBareDef
  # OK
end

def self.foo
  something
rescue DirectRescueInBareSingletonDef
  # OK
end

def bar
  begin
    something
  rescue IndirectRescueInBareDef
    # OK
  end
end

def bar
  begin
    something
  rescue IndirectRescueInBareSingletonDef
    # OK
  end
end

def baz
  something
rescue # DirectRescueInBareDef
  # OK
end

def self.baz
  something
rescue # DirectRescueInBareSingletonDef
  # OK
end

class Foo
  def foo
    something
  rescue DirectRescueInMethod
    # OK
  end

  def self.foo
    something
  rescue DirectRescueInSingletonMethod
    # OK
  end

  def bar
    begin
      something
    rescue IndirectRescueInMethod
      # OK
    end
  end

  def self.bar
    begin
      something
    rescue IndirectRescueInSingletonMethod
      # OK
    end
  end

  def baz
    something
  rescue # DirectRescueInMethod
    # OK
  end

  def self.baz
    something
  rescue # DirectRescueInSingletonMethod
    # OK
  end
end

$ bundle exec rubocop test.rb --only Lint/SuppressedException
Inspecting 1 file
W

Offenses:

test.rb:9:1: W: Lint/SuppressedException: Do not suppress exceptions.
rescue DirectRescueInBareSingletonDef
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
test.rb:37:1: W: Lint/SuppressedException: Do not suppress exceptions.
rescue # DirectRescueInBareSingletonDef
^^^^^^
test.rb:50:3: W: Lint/SuppressedException: Do not suppress exceptions.
  rescue DirectRescueInSingletonMethod
  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
test.rb:78:3: W: Lint/SuppressedException: Do not suppress exceptions.
  rescue # DirectRescueInSingletonMethod
  ^^^^^^

1 file inspected, 4 offenses detected

Bisect result

$ git bisect start master v0.84.0
Bisecting: 50 revisions left to test after this (roughly 6 steps)
[330f46d272d393f3e2b2a751d2876485679932d4] Clean up Layout/HeredocIndentation specs
$ git bisect run ./test.sh
(...snip...)
ebc19adbaef36733192af891995bdc6ef34cccab is the first bad commit
commit ebc19adbaef36733192af891995bdc6ef34cccab
Author: Koichi ITO <koic.ito@gmail.com>
Date:   Fri May 22 14:15:42 2020 +0900

    [Fix #8008] Fix an error for `Lint/SuppressedException`

    Fixes #8008.

    This PR fixes an error for `Lint/SuppressedException`
    when empty rescue block in `def`.

:100644 100644 34a336446d643ccc97f5b05f4d9fb0e2fe9be943 86585f83c4c1e049b58dacfbab40e584051ee17f M      CHANGELOG.md
:040000 040000 740733ff0d694dac78494e0cea73d7fed8196640 9f80846d6356767f2928cc1f1bf7bc0d55278a1d M      lib
:040000 040000 268ae54cd2ea411993220170c979c48a6690ffdc 8790220cbfc9f8ba32626f387992043bf29c894f M      spec
bisect run success

RuboCop version

$ [bundle exec] rubocop -V
0.85.0 (using Parser 2.7.1.3, rubocop-ast 0.0.3, running on ruby 2.6.5 x86_64-linux)

[Tietew]

#8082 seems not to resolve this.