System Information
I7-5820K / Win7 family 64bits / gtx780
Blender Version
Broken: 2.77 a83bc4f
Worked: official 2.77
Short description of error
Blender freeze when using a raycast operator with a subdiv of += 4
Exact steps for others to reproduce the error
Open the attached file, run the script (raycast template) with space "Raycast ...", click on the object, blender freeze.