bug#70474: Possible bug with `atomic-box-swap!` on OSX/M3 (?!?!)

2024-04-19 Thread Christopher Baines
Tony Garnock-Jones writes: > I'm seeing some very strange behaviour from `atomic-box-swap!` (but > not `atomic-box-compare-and-swap!`) on Guile 3.0.9 from Homebrew on > OSX Sonoma using an M3 Pro cpu. The issue does not seem to manifest on > x86_64. Could it be some interaction between Guile and

bug#70474: Possible bug with `atomic-box-swap!` on OSX/M3 (?!?!)

2024-04-19 Thread Tony Garnock-Jones
Hello all, I'm seeing some very strange behaviour from `atomic-box-swap!` (but not `atomic-box-compare-and-swap!`) on Guile 3.0.9 from Homebrew on OSX Sonoma using an M3 Pro cpu. The issue does not seem to manifest on x86_64. Could it be some interaction between Guile and M3 CPUs? Or am I