**System Information**
System: Windows 7 64bit
RAM: 4096 MB
renderer: 'GeForce GTX 760/PCIe/SSE2'
vendor: 'NVIDIA Corporation'
version: '4.5.0 NVIDIA 353.30'
**Blender Version**
Broken: blender 2.76.x (0b13989)
Worked: blender 2.76
**Short description of error**
**Exact steps for others to reproduce the error**
Based on a (as simple as possible) attached .blend file with minimum amount of steps
Please see attached animated GIF for more.
{F285896}
{F285895}
Did not checked other curves (sculpting, animation, etc.) ...