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  • Glasgow Haskell CompilerGlasgow Haskell Compiler
  • GHCGHC
  • Issues
  • #10923
Closed
Open
Issue created Oct 01, 2015 by Edward Z. Yang@ezyangDeveloper

GHC should recompile if flags change

Example:

ezyang@sabre:~$ rm B.hi
ezyang@sabre:~$ Dev/ghc-7.10.2/usr/bin/ghc -c B.hs 
ezyang@sabre:~$ Dev/ghc-7.10.2/usr/bin/ghc -c B.hs -O
compilation IS NOT required

Pretty minor, but would be nice to have fixed.

Trac metadata
Trac field Value
Version 7.10.2
Type Bug
TypeOfFailure OtherFailure
Priority low
Resolution Unresolved
Component Compiler
Test case
Differential revisions
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