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Blender crashes when nodes are muted
Closed, ResolvedPublic

Description

System Information
Ubuntu 14.04 / GTX 760

Blender Version
Broken: 2.74 RC2
Worked: 2.73

Short description of error
Blender crashes when nodes are muted between Separete RGBA and Combine RGBA (those nodes also muted).
This is an example that makes Blender crash : http://img11.hostingpics.net/pics/497017compobug.png
Same node setup was working fine on 2.73 version.

Each nodes can be muted without problem but everything in the same time cause the issue.

Exact steps for others to reproduce the error
Open Blender, make a render, go to the compositor, create a Separete RGBA and Combine RGBA nodes, connect them and put anything between it (math, color balance). Display the result, mute those three nodes and it always crash on my computer.
http://vincentgires.com/divers/blender_bug/compo_mute_bug_2.74.blend (this is the screenshot file)

Event Timeline

Vincent Girès (VincentG) set Type to Bug.
Vincent Girès (VincentG) created this task.
Vincent Girès (VincentG) raised the priority of this task from to Needs Triage by Developer.

I've just tested the same file on another computer which is on Windows 7 and it doesn't crash.