Regression test for [issue
#100](https://github.com/mmcloughlin/avo/issues/100) based on the original
reported allocation failure.

Based on the pull request
[`klauspost/compress#186`](https://github.com/klauspost/compress/pull/186) at
`c1f3cf132cd8e214b38cc16e418bf2e501ccda93` with the lines after `FIXME`
comments re-activated and other minimal edits to make it work in this
environment.

Original code covered by [BSD 3-Clause License](LICENSE).
