#15994: Duplicate entries in -ddump-minimal-imports
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Reporter: simonpj | Owner: (none)
Type: bug | Status: new
Priority: normal | Milestone: 8.6.3
Component: Compiler | Version: 8.6.2
Keywords: | Operating System: Unknown/Multiple
Architecture: | Type of failure: None/Unknown
Unknown/Multiple |
Test Case: | Blocked By:
Blocking: | Related Tickets:
Differential Rev(s): | Wiki Page:
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Consider
{{{
module Foo where
import System.IO
f = [ReadMode, ReadMode]
}}}
We get this:
{{{
$ ghc -c -ddump-minimal-imports Foo.hs
$ cat Foo.imports
import System.IO ( IOMode(ReadMode, ReadMode) )
}}}
Notice that `ReadMode` appears twice.
Turns out this is because of a refactoring in `RnNames`
{{{
commit 6353efc7694ba8ec86c091918e02595662169ae2
Author: David Eichmann