matz	2008-05-12 14:01:01 +0900 (Mon, 12 May 2008)

  New Revision: 16385

  Modified files:
    branches/ruby_1_8/ChangeLog
    branches/ruby_1_8/eval.c

  Log:
    * eval.c (is_defined): add NODE_OP_ASGN_{OR,AND}.  "defined?(a||=1)"
      should not operate assignment.  [ruby-dev:34645]

  http://svn.ruby-lang.org/cgi-bin/viewvc.cgi/branches/ruby_1_8/ChangeLog?r1=16385&r2=16384&diff_format=u
  http://svn.ruby-lang.org/cgi-bin/viewvc.cgi/branches/ruby_1_8/eval.c?r1=16385&r2=16384&diff_format=u