Issue #4299 has been updated by ko1 (Koichi Sasada).
Target version changed from 2.0.0 to next minor
放置されているようなので next minor に送っておきます．
Feature #4299: no warning: found = in conditional, should be ==
Author: znz (Kazuhiro NISHIYAMA)
Status: Feedback
Priority: Normal
Assignee: nobu (Nobuyoshi N.)
Category: core
Target version: next minor
=begin
ruby-trunk-changes r30595 - r30603 - ruby trunk changes
で知ったのですが、右辺の種類によっては「warning: found = in conditional, should be
==」が出ないことがあるようです。
% ruby-trunk -ve ‘!=“”’
ruby 1.9.3dev (2011-01-20 trunk 30614) [i686-linux]
-e:1: warning: found = in conditional, should be ==
% ruby-trunk -ve '!=1’
ruby 1.9.3dev (2011-01-20 trunk 30614) [i686-linux]
-e:1: warning: found = in conditional, should be ==
% ruby-trunk -ve ‘!={}’
ruby 1.9.3dev (2011-01-20 trunk 30614) [i686-linux]
% ruby-trunk -ve '!=[]’
ruby 1.9.3dev (2011-01-20 trunk 30614) [i686-linux]
%
=end