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  • Glasgow Haskell Compiler
  • GHCGHC
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  • #14525
Closed
Open
Created Nov 25, 2017 by Edward Z. Yang@ezyangDeveloper

Backpack doesn't work with CPP

Steps to repro:

  1. Create a package with a signature and a module which imports it
  2. Add {-# LANGUAGE CPP #-} to the module

Expected result: it works

Actual result:

<command line>: unknown package: hole
Trac metadata
Trac field Value
Version 8.2.2
Type Bug
TypeOfFailure OtherFailure
Priority normal
Resolution Unresolved
Component Compiler
Test case
Differential revisions
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