#11624: Cannot declare hs-boot declaration if there is already a value in scope -------------------------------------+------------------------------------- Reporter: ezyang | Owner: ezyang Type: bug | Status: new Priority: highest | Milestone: 8.0.1 Component: Compiler (Type | Version: 8.0.1-rc2 checker) | Resolution: | Keywords: Operating System: Unknown/Multiple | Architecture: Type of failure: GHC rejects | Unknown/Multiple valid program | Test Case: Blocked By: | Blocking: Related Tickets: | Differential Rev(s): Wiki Page: | -------------------------------------+------------------------------------- Changes (by hvr): * priority: normal => highest Comment: This seems to be the same problem that causes regression in hackage:enumerator-0.4.20 with GHC HEAD/8.0: {{{ [ 4 of 10] Compiling Data.Enumerator.Compatibility ( lib/Data/Enumerator/Compatibility.hs, /tmp/enumerator-0.4.20/dist- newstyle/build/enumerator-0.4.20/build/Data/Enumerator/Compatibility.o ) lib/Data/Enumerator/Compatibility.hs:55:8: error: • Can't find interface-file declaration for variable EL.head Probable cause: bug in .hi-boot file, or inconsistent .hi file Use -ddump-if-trace to get an idea of which file caused the error • In the expression: EL.head In an equation for ‘head’: head = EL.head ...and several more... }}} I'm increasing priority as this is a regression relative to 7.10 and there's at least on package on Hackage suffering from it. -- Ticket URL: http://ghc.haskell.org/trac/ghc/ticket/11624#comment:1 GHC http://www.haskell.org/ghc/ The Glasgow Haskell Compiler