Crash when transforming skia layer within collection

hi all,

Gamma instantly crashes when I try to get - transform - and set a skia layer from a collection.

2021.4.4 stable and latest preview.

test.vl (23.4 KB)

The system is crashing with a stack overflow because the layer graph you’re building here is cyclic. The output of the TransformSRT gets stored in A, the next frame that output gets set as its input. It’s like connecting the output of the transform to its input.
It would by nice if the system could recover from such cyclic layer graphs more gracefully and not crash completely. Will see what we can do. So in a best case scenario that TransformSRT would have become pink telling you that you have a cyclic graph at hand.

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