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  • Glasgow Haskell Compiler
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  • #13535
Closed
Open
Created Apr 06, 2017 by Ryan Scott@RyanGlScottMaintainer

vector test suite uses excessive memory on GHC 8.2

First noticed here. I haven't managed to boil this down to a test case with no dependencies yet, so for the time being, this requires vector. To reproduce, follow these steps:

$ git clone https://github.com/erikd/vector
$ cd vector/
$ cabal install --only-dependencies --enable-tests -w /opt/ghc/8.2.1/bin/ghc
$ cabal configure --enable-tests -w /opt/ghc/8.2.1/bin/ghc
$ cabal test

When building vector-tests-O2, GHC will stall when compiling the Tests.Vector module. On machines with modest memory allowances (e.g., the machines used on Travis CI), GHC will be killed with an out-of-memory error after trying to compile Tests.Vector for a while.

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Trac field Value
Version 8.1
Type Bug
TypeOfFailure OtherFailure
Priority highest
Resolution Unresolved
Component Compiler
Test case
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