[ruby-cvs:62217] nobu:r55054 (trunk): string.c: integer overflow

[nobu at ruby-lang.org]

nobu	2016-05-18 14:52:40 +0900 (Wed, 18 May 2016)

  New Revision: 55054

  https://svn.ruby-lang.org/cgi-bin/viewvc.cgi?view=revision&revision=55054

  Log:
    string.c: integer overflow
    
    * string.c (rb_str_modify_expand): check integer overflow.
      [ruby-core:75592] [Bug #12390]

  Modified files:
    trunk/ChangeLog
    trunk/string.c
    trunk/test/-ext-/string/test_modify_expand.rb