I started a new world in survival mode and crafted a wooden pickaxe.
When tried to mine stone, the game crashed.
Steps to reproduce:
1. Start new survival world in Minecraft 14w06a
2. Craft a wooden pickaxe (other tools might cause the crash too, haven't checked)
3. Use the pickaxe to mine stone.
Duplicate of MC-47427 - If you have not, please use the search function in the future, to see if your bug has already been submitted. If you could not find the original report, please comment with the keywords you searched for.