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chore(debug): force -j1 to serialize GHC parallel code generation

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With -j8, GHC generates code for 8 modules in parallel. A parallel merging
step might read combined objects via Data.Binary.Get hitting 287 MB. Forcing
-j1 serializes codegen to test if parallel merging is the crash cause.

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
This commit is contained in:
tegwick 2026-05-02 00:06:31 +02:00
parent da556aa824
commit e117f78ef3
1 changed files with 1 additions and 1 deletions
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flake.nix
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@ -125,7 +125,7 @@
"--ghc-option=-O0" "--ghc-option=-O0"
"--ghc-option=-fomit-interface-pragmas" "--ghc-option=-fomit-interface-pragmas"
"--disable-split-sections" "--disable-split-sections"
"--ghc-option=-fno-dynamic-too" "--ghc-option=-j1"
]; ];
postUnpack = (old.postUnpack or "") + '' postUnpack = (old.postUnpack or "") + ''
_actual="$sourceRoot/build/Generated/ActualTypes.hs" _actual="$sourceRoot/build/Generated/ActualTypes.hs"