OS: Windows 7 (ver 6.1, arch amd64)
Java: 1.7.0_45 (by Oracle Corporation)
Launcher: Minecraft Launcher 1.4.4 (bootstrap 4)
Minecraft: 14w29b (updated Wed Jul 16 14:27:40 BRT 2014)
Video: AMD Radeon HD 5570
I was brought here by the launcher after game crashed.
Game crashed when changing VSync ingame, changing at the menu doesn't crash it. Tested fullscreen and windowed.