#10182: lookupIfaceGlobal crash with SOURCE import -------------------------------------+------------------------------------- Reporter: simonpj | Owner: Type: bug | Status: new Priority: normal | Milestone: 7.12.1 Component: Compiler | Version: 7.8.4 Keywords: | Operating System: Unknown/Multiple Architecture: | Type of failure: None/Unknown Unknown/Multiple | Blocked By: Test Case: | Related Tickets: Blocking: | Differential Revisions: | -------------------------------------+------------------------------------- Try this (in `testsuite/tests/stranal/should_compile`) {{{ bash$ ghc -c T8743.hs-boot bash$ ghc -c T8743.hs ghc: panic! (the 'impossible' happened) (GHC version 7.8.2 for x86_64-unknown-linux): tcIfaceGlobal (local): not found: main:T8743.$fxToRowMaybe{v r2J} [(r2L, Class ‘main:T8743.ToRow{tc r2L}’), (r2M, Data constructor ‘main:T8743.D:ToRow{d r2M}’), (r2P, Identifier ‘main:T8743.D:ToRow{v r2P}’), (roB, Identifier ‘main:T8743.toRow{v roB}’), (rqT, Coercion axiom ‘main:T8743.NTCo:ToRow{tc rqT}’)] }}} Something clearly wrong here. It think this happens with prettty much any version of GHC. -- Ticket URL: http://ghc.haskell.org/trac/ghc/ticket/10182 GHC http://www.haskell.org/ghc/ The Glasgow Haskell Compiler