I created a nether portal and went through it (it was the very first one). I ended up inside of a wall and suffocated.
Steps to reproduce:
1. Create a nether portal
2. Enter the nether portal
Environment
[14:20:00 INFO]: Minecraft Launcher 1.4.4 (through bootstrap 5) started on windows...
[14:20:00 INFO]: Current time is Jun 21, 2014 2:20:00 PM
[14:20:00 INFO]: System.getProperty('os.name') == 'Windows 7'
[14:20:00 INFO]: System.getProperty('os.version') == '6.1'
[14:20:00 INFO]: System.getProperty('os.arch') == 'amd64'
[14:20:00 INFO]: System.getProperty('java.version') == '1.8.0_05'
[14:20:00 INFO]: System.getProperty('java.vendor') == 'Oracle Corporation'
[14:20:00 INFO]: System.getProperty('sun.arch.data.model') == '64'
MC-57524