#10627: cabal install of numeric-prelude hangs -------------------------------------+------------------------------------- Reporter: George | Owner: Type: bug | Status: new Priority: high | Milestone: 7.10.2 Component: Compiler | Version: 7.10.2-rc2 Keywords: | Operating System: MacOS X Architecture: | Type of failure: Compile-time Unknown/Multiple | crash Test Case: | Blocked By: Blocking: | Related Tickets: Differential Revisions: | -------------------------------------+------------------------------------- While trying to do cabal install species with 7.10.2rc2 I discovered that it hangs compiling numeric-prelude in src/Algebra/RealRing.h. It doesn't seem to be busy computing as cpu usage is 0% {{{ ghc -V The Glorious Glasgow Haskell Compilation System, version 7.10.1.20150630 cabal install --verbose=3 numeric-prelude ... [39 of 97] Compiling Algebra.RealRing ( src/Algebra/RealRing.hs, dist/build/Algebra/RealRing.o ) ... Result size of Float out(FOS {Lam = Just 0, Consts = True, OverSatApps = True}) = {terms: 3,506, types: 3,224, coercions: 4} *** Common sub-expression: Result size of Common sub-expression }}} -- Ticket URL: http://ghc.haskell.org/trac/ghc/ticket/10627 GHC http://www.haskell.org/ghc/ The Glasgow Haskell Compiler