[ruby-core:95448] [Ruby master Feature#13083] {String|Symbol}#match{?} with nil returns falsy as Regexp#match{?}

Issue #13083 has been updated by znz (Kazuhiro NISHIYAMA).


I heard this change breaks activerecord.

https://twitter.com/shyouhei/status/1186122901667209216
https://twitter.com/shyouhei/status/1186123025604734976
https://github.com/rails/rails/blob/01336b71af6ac798e48101b4ceb2de00397243aa/activerecord/lib/active_record/connection_adapters/abstract_adapter.rb#L52

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Feature #13083: {String|Symbol}#match{?} with nil returns falsy as Regexp#match{?}
https://bugs.ruby-lang.org/issues/13083#change-82199

* Author: kachick (Kenichi Kamiya)
* Status: Closed
* Priority: Normal
* Assignee: 
* Target version: 
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Just for consistency

* patch: https://github.com/ruby/ruby/pull/1506
* spec: https://github.com/ruby/spec/pull/380

Currently behaves as ( ruby --version: ruby 2.5.0dev (2016-12-28 trunk 57228) [x86_64-darwin16] )

~~~ ruby
'string'.__send__(:=~, nil) #=> nil
'string'.match(nil)         #=> TypeError: wrong argument type nil (expected Regexp)
'string'.match?(nil)        #=> TypeError: wrong argument type nil (expected Regexp)
:symbol.__send__(:=~, nil)  #=> nil
:symbol.match(nil)          #=> TypeError: wrong argument type nil (expected Regexp)
:symbol.match?(nil)         #=> TypeError: wrong argument type nil (expected Regexp)
/regex/.__send__(:=~, nil)  #=> nil
/regex/.match(nil)          #=> nil
/regex/.match?(nil)         #=> false
~~~


Expected to

~~~ruby
'string'.__send__(:=~, nil) #=> nil
'string'.match(nil)         #=> nil
'string'.match?(nil)        #=> false
:symbol.__send__(:=~, nil)  #=> nil
:symbol.match(nil)          #=> nil
:symbol.match?(nil)         #=> false
/regex/.__send__(:=~, nil)  #=> nil
/regex/.match(nil)          #=> nil
/regex/.match?(nil)         #=> false
~~~



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