#11155: Trivial thunk gives "undefined reference to stg_ap_0_upd_info" -------------------------------------+------------------------------------- Reporter: simonpj | Owner: Type: bug | Status: closed Priority: high | Milestone: 8.0.1 Component: Compiler | Version: 7.10.2 Resolution: fixed | Keywords: Operating System: Unknown/Multiple | Architecture: | Unknown/Multiple Type of failure: None/Unknown | Test Case: | simplCore/should_compile/T11155 Blocked By: | Blocking: Related Tickets: | Differential Rev(s): Wiki Page: | -------------------------------------+------------------------------------- Comment (by gridaphobe): I just ran into this (or a similar issue) when building GHC (9b6820cdd6bac8b8346be48224627e3feefa9036) on OSX. This is a clean build with the default settings, and it fails at the very last step of stage 2. {{{ HC [stage 1] ghc/stage2/build/tmp/ghc-stage2 Warning: -rtsopts and -with-rtsopts have no effect with -no-hs-main. Call hs_init_ghc() from your main() function to set these options. Undefined symbols for architecture x86_64: "_stg_sel_17_upd_info", referenced from: _s1s8Z_info in UI.dyn_o _s1s9w_info in UI.dyn_o ld: symbol(s) not found for architecture x86_64 clang: error: linker command failed with exit code 1 (use -v to see invocation) `gcc' failed in phase `Linker'. (Exit code: 1) }}} -- Ticket URL: http://ghc.haskell.org/trac/ghc/ticket/11155#comment:9 GHC http://www.haskell.org/ghc/ The Glasgow Haskell Compiler