A licensee has encountered a crash when loading Sequencer Assets that occurs in BlendSegment during a sort lambda. It's possible to end up in a situation where the SourceIndex being sorted is larger than the Sections array. We've been able to reproduce this by cutting/splitting a camera anim section.

Steps to Reproduce

Either run the automated tests located at System.Engine.Sequencer.Compiler (you'll have to back out 3380551 locally), or make a camera anim track that has multiple overlapping sections on multiple rows.

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ComponentUE - Anim - Sequencer
Affects Versions4.15
Target Fix4.16
Fix Commit3380551
Main Commit3432852
Release Commit3434895
CreatedMar 29, 2017
ResolvedApr 6, 2017
UpdatedJun 5, 2017