structAppend against an array fails silently

Description

https://trycf.com/gist/1539671ee7c3eea1cd857f022ed5c859/acf2018?theme=monokai

Lucee doesn't throw an error and the result is an empty struct

ACF throws
Object of type class coldfusion.runtime.Struct cannot be used as an array on line 3

Environment

None

Assignee

Michael Offner

Reporter

Zac Spitzer

Priority

New

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