Description of problem:

The government of Chile has announced that they will extend their summertime until May 7th.

Summertime was supposed to end on April 3rd (2011). Instead, summertime will now end May 7th.

http://www.timeanddate.com/worldclock/clockchange.html?n=232

http://www.radioudec.cl/index.php/noticias-nacionales/1208-cambio-de-hora-se-posterga-para-el-7-de-mayo.html

http://www.elmorrocotudo.cl/noticia/sociedad/cambio-de-horario-en-chile-7-de-mayo-de-2011

This hasn't been updated on the official website although the official announcement will be done today.
We should double-check this.

Version - Release Number of selected component:
tzdata-2011d-1

Steps to Reproduce:
1) Install the latest tzdata on a system.
2) Run:

[root@localhost ~]# zdump -v America/Santiago |grep 2011

Current results:
America/Santiago  Sun Apr  3 02:59:59 2011 UTC = Sat Apr  2 23:59:59 2011 CLST isdst=1 gmtoff=-10800
America/Santiago  Sun Apr  3 03:00:00 2011 UTC = Sat Apr  2 23:00:00 2011 CLT isdst=0 gmtoff=-14400
America/Santiago  Sun Oct  9 03:59:59 2011 UTC = Sat Oct  8 23:59:59 2011 CLT isdst=0 gmtoff=-14400
America/Santiago  Sun Oct  9 04:00:00 2011 UTC = Sun Oct  9 01:00:00 2011 CLST isdst=1 gmtoff=-10800

Expected results:

If the announcement is indeed official, the change should take place on May 7th
instead of Apr 3rd.