Implement MatchData#deconstruct_keys

Author: rwstauner

spec/tags/core/matchdata/deconstruct_keys_tags.txt

@@ -68,6 +68,24 @@ def captures
   end
   alias_method :deconstruct, :captures
 
+  def deconstruct_keys(array_of_names)
+    Truffle::Type.rb_check_type(array_of_names, Array) unless Primitive.nil?(array_of_names)
+
+    hash = named_captures.transform_keys(&:to_sym)
+    return hash if Primitive.nil?(array_of_names)
+
+    ret = {}
+    return ret if array_of_names.size > hash.size
+
+    array_of_names.each do |key|
+      Truffle::Type.rb_check_type(key, Symbol)
+      break unless hash.key?(key)
+      ret[key] = hash[key]
+    end
+
+    ret
+  end
+
   def names
     regexp.names
   end

src/main/ruby/truffleruby/core/match_data.rb

@@ -40,7 +40,6 @@
 exclude :test_initialize_option, "<//m> expected but was"
 exclude :test_initialize_bool_warning, "expected: /expected true or false as ignorecase/"
 exclude :test_linear_time_p, "NoMethodError: undefined method `linear_time?' for Regexp:Class"
-exclude :test_match_data_deconstruct_keys, "NoMethodError: undefined method `deconstruct_keys' for #<MatchData \"foobarbaz\">"
 exclude :test_extended_comment_invalid_escape_bug_18294, "assert_separately failed with error message"
 exclude :test_timeout_nil, "NoMethodError: undefined method `timeout=' for Regexp:Class"
 exclude :test_timeout_shorter_than_global, "NoMethodError: undefined method `timeout=' for Regexp:Class"