[Haskell-cafe] semantics of concurrent program depends on -O level, -f[no-]omit-yields

[Johannes Waldmann]

On 11/29/18 7:48 PM, Brandon Allbery wrote:

> main thread exiting will kill the entire process,

The main thread does "forever $ something".

The process does not exit (I am not getting
the console prompt). I observe that the process
either prints and then hangs, or it hangs immediately.

- J.