Array issue

[wearsunscreen]

I found this Array issue. It should be linked with #649.

The first and third elements should be identical, but g changes when concatGrid g is evaluated.

results =
           [ getRow 0 (setColorInGrid ( 0, 0 ) 99 (Debug.log "before" g))
               == [ 99, 4, 2, 4 ]
           , concatGrid g == concatenated
           , getRow 0 (setColorInGrid ( 0, 0 ) 99 (Debug.log "after" g))
               == [ 99, 4, 2, 4 ]
           ]

Full code is attached. Happens on v 0.18, Firefox and Chrome.
GridA.elm.txt

[process-bot]

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[process-bot]

Thanks for the issue! Make sure it satisfies this checklist. My human colleagues will appreciate it!

Here is what to expect next, and if anyone wants to comment, keep these things in mind.

[jvoigtlaender]

Isn't it already covered by https://github.com/elm-lang/core/issues/649?

[jvoigtlaender]

Isn't it already covered by https://github.com/elm-lang/core/issues/649?