[ruby-cvs:50575] nobu:r43433 (trunk): range.c: modify check

[nobu at ruby-lang.org]

nobu	2013-10-26 19:08:02 +0900 (Sat, 26 Oct 2013)

  New Revision: 43433

  http://svn.ruby-lang.org/cgi-bin/viewvc.cgi?view=rev&revision=43433

  Log:
    range.c: modify check
    
    * range.c (range_initialize_copy): disallow to modify after
      initialized.

  Modified files:
    trunk/ChangeLog
    trunk/range.c
    trunk/test/ruby/test_range.rb