rubocops: silence parser warning

Library/Homebrew/rubocops/all.rb

@@ -6,7 +6,11 @@ require "active_support/core_ext/array/conversions"
 require "rubocop-performance"
 require "rubocop-rails"
 require "rubocop-rspec"
-require "rubocop-sorbet"
+
+require_relative "../warnings"
+Warnings.ignore :parser_syntax do
+  require "rubocop-sorbet"
+end
 
 require_relative "io_read"
 require_relative "shell_commands"

Library/Homebrew/rubocops/extend/formula.rb

@@ -1,15 +1,6 @@
 # typed: false
 # frozen_string_literal: true
 
-# Silence compatibility warning.
-begin
-  old_verbosity = $VERBOSE
-  $VERBOSE = nil
-  require "parser/current"
-ensure
-  $VERBOSE = old_verbosity
-end
-
 require "extend/string"
 require "rubocops/shared/helper_functions"
 

Library/Homebrew/rubocops/shared/helper_functions.rb

@@ -3,6 +3,11 @@
 
 require "rubocop"
 
+require_relative "../../warnings"
+Warnings.ignore :parser_syntax do
+  require "parser/current"
+end
+
 module RuboCop
   module Cop
     # Helper functions for cops.