Linux64 (debian testing), CPU rendering (i7 4700).
Broken: current master
Worked: unknown (no crash with 2.79 Release build)
Short description of error
Blender crash when finishing first tile of Cycles rendering, on failed assertion:
blender: /home/i74700deb64/blender/__work__/src/intern/cycles/render/buffers.cpp:240: bool ccl::RenderBuffers::get_pass_rect(ccl::PassType, float, int, int, float*): Assertion `pass.components == components' failed.
Exact steps for others to reproduce the error
In a current master's Debug build, open file below (from T53341) and try to render: