chore: test ORC memory management

[narimiran]

close #2077

[codecov-commenter]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 72.87%. Comparing base (e7636db) to head (df2cc9e).

Additional details and impacted files

@@            Coverage Diff             @@
##           master    #2148      +/-   ##
==========================================
+ Coverage   72.83%   72.87%   +0.04%     
==========================================
  Files         154      154              
  Lines       18939    18939              
  Branches       19       19              
==========================================
+ Hits        13794    13802       +8     
+ Misses       5145     5137       -8     

see 4 files with indirect coverage changes

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[tersec]

https://github.com/vacp2p/nim-libp2p/actions/runs/22966107104/job/66669986736?pr=2148

[Suite  ] channel half-closed
  [Test   ]           (local close) - should close for write
  [OK     ] (  0.00s) (local close) - should close for write
  [Test   ]           (local close) - should allow reads until remote closes
  [OK     ] (  0.00s) (local close) - should allow reads until remote closes
  [Test   ]           (remote close) - channel should close for reading by remote
  [OK     ] (  0.00s) (remote close) - channel should close for reading by remote
  [Test   ]           (remote close) - channel should allow writing on remote close
Traceback (most recent call last)
/home/runner/work/nim-libp2p/nim-libp2p/tests/tools/unittest.nim(18) test_mplex
/home/runner/work/nim-libp2p/nim-libp2p/tests/tools/unittest.nim(18) testSuite
/home/runner/work/nim-libp2p/nim-libp2p/nimbledeps/pkgs2/unittest2-0.2.4-746106a4dfefffce497f1693733f1c1513b5c62c/unittest2.nim(1170) testSuite
/home/runner/work/nim-libp2p/nim-libp2p/nimbledeps/pkgs2/unittest2-0.2.4-746106a4dfefffce497f1693733f1c1513b5c62c/unittest2.nim(1097) runDirect
/home/runner/work/nim-libp2p/nim-libp2p/tests/tools/unittest.nim(40) runTest`gensym1176
/home/runner/work/nim-libp2p/nim-libp2p/nimbledeps/pkgs2/chronos-4.0.4-b0716543b76ab26376f43a859aca5ccf030bc641/chronos/internal/asyncfutures.nim(660) waitFor
/home/runner/work/nim-libp2p/nim-libp2p/nimbledeps/pkgs2/chronos-4.0.4-b0716543b76ab26376f43a859aca5ccf030bc641/chronos/internal/asyncfutures.nim(635) pollFor
/home/runner/work/nim-libp2p/nim-libp2p/nimbledeps/pkgs2/chronos-4.0.4-b0716543b76ab26376f43a859aca5ccf030bc641/chronos/internal/asyncengine.nim(150) poll
/home/runner/work/nim-libp2p/nim-libp2p/nimbledeps/pkgs2/chronos-4.0.4-b0716543b76ab26376f43a859aca5ccf030bc641/chronos/internal/asyncfutures.nim(1152) cb
/home/runner/work/nim-libp2p/nim-libp2p/nim/lib/system.nim(938) reset
/home/runner/work/nim-libp2p/nim-libp2p/nim/lib/system/arc.nim(200) nimDestroyAndDispose
SIGSEGV: Illegal storage access. (Attempt to read from nil?)

is caused by

• ARC/ORC SIGSEGV with captured variables and closure iterators in reset/nimDecRefIsLastCyclicStatic nim-lang/Nim#25596

[gmelodie]

@tersec so we need that fix before using 2.2.8, no?

[tersec]

@tersec so we need that fix before using 2.2.8, no?

Separate things. Using 2.2.8 rather than 2.2.6 to test makes sense anyway, as 2.2.8 is now the current 2.2.x version. However, there's still an issue with 2.2.8 with ORC, so testing ORC in CI isn't ready yet.