System Information
Operating system: Windows 10
Graphics card: 900 Series

Blender Version
Broken:
2.8 b0dee09a6d55

Short description of error
Bake button in Cycles causing full, repeatable crash of software.

Exact steps for others to reproduce the error
1.) Load latest version of Blender (see above)
2.) A-select all, then Delete All
3.) Shift-A pull out Monkey
4.) Go to UV Editing tab. In UV Editor, Add new Image Texture. NAME it "HELLO". Keep all defaults and click OK Background of UV grid goes black.
5.) In Properties Panel, Go to Render Tab and choose Cycles.
6.) Go to Bake dropdown within Render Tab

7.) Choose Bake Type-> Ambient Occlusion
8.) Error: "No Active Image Found: Add a material or Bake an External File"

9.)Go to Shading Tab at top of screen.
10.) Go to Materials in the Properties editor. Add New Material.
11.) In Shading Editor, delete BSDF node and ADD->Texture-> Image Texture Node. Use drop down in Image Texture Node to choose the Texture "HELLO" you created in UV Editor.
12.)Connect Image Texture Color Output with To Surface Input on Material Output.

13.)Go back to UV Editing Tab at top of screen.
14.)Properties Panel, Cycles Render-> Press Bake button.

Guaranteed Crash. Tried it multiple times with this step by step process and it crashed every single time. Hope this helps!