SIGSEGV: Illegal storage access. (Attempt to read from nil?) about prologue HOT 9 OPEN

Another workaround is to use --mm:refc.

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I just got the exact same error on Arch using siege for concurrency testing - same nim + prologue versions, and same test code 😆

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I downgraded some deps:

nim = 1.6.0
prologue = 0.5.0

No more error - a prologue downgrade didn't fix the issue, so I'm thinking it's something in the nim 2.0 (I'll try the last non 2.0 version for comparison with the latest prologue possible).

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I also noticed the (per request) DEBUG log does not show on nim 2.0 either - only the boot up message does.

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These versions do not produce the issue:

requires "nim == 1.6.14"
requires "prologue == 0.6.4" 

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https://github.com/nim-lang/Nim/issues?q=is%3Aissue+is%3Aopen+sigsegv+ - looks like a lot of this in 2.0 release usage.

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Maybe helpful to prologue, httpbeast is having a similar issue: nim-lang/Nim#21422

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One stack trace mentioned httpx for me - and if I use -d:usestd, I no longer receive the error (on nim 2.0) - so I'm guessing this is something httpx is doing incorrectly.

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I updated httpx issue here: ringabout/httpx#33 with a link to the httpbeast solution - I think httpx needs to incorporate it from httpbeast HEAD, add a new tag, then include the new tag on prologue.

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