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Cycles - Render errors when object scaled to 0 with motion blur
Confirmed, NormalPublicKNOWN ISSUE

Description

System Information
Operating system: Darwin-19.4.0-x86_64-i386-64bit 64 Bits
Graphics card: AMD Radeon Pro 5500M OpenGL Engine ATI Technologies Inc. 4.1 ATI-3.8.24

Blender Version
Broken: version: 2.83 (sub 11), branch: master, commit date: 2020-04-05 22:52, hash: rBd0d20de183f1
Worked: 2.82 beta (Hash 98671061993e)

Short description of error
We've been having render errors when eyelids for characters are scaled to 0 on the x-axis, but only when motion blur is switched on. I've recorded a short video highlighting the error, please find it attached.

Exact steps for others to reproduce the error
Open 'ss-sht-ep04-sc01-sh0010.blend'
Hit render.