Hi, so I've been staring at this for hours :
(defn foo []
(let [s (range)]
(if false
nil
(future
(loop [s s]
(recur (rest s)))))))
...if I run this I run out of heap space quite fast on any of these:
- Clojure: "1.11.0-master-SNAPSHOT", 1.9.0, 1.8.0 or 1.7.0
- OpenJ9 0.12.1 or Oracle 11.0.2 2018-10-16 LTS
..that's what I have at hand for testing for now. If I remove the FUTURE or
place it higher up the stack it doesn't happen. I looked at a heap dump in
MAT and it seems to contain millions of empty stack frames or binding
frames (conveyor?); all held together by circular references (AFAICT).
--
Mvh, Lars Rune Nøstdal
https://www.quanto.ga/
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