Re: [GHC] #11155: Trivial thunk gives "undefined reference to stg_ap_0_upd_info"

#11155: Trivial thunk gives "undefined reference to stg_ap_0_upd_info" -------------------------------------+------------------------------------- Reporter: simonpj | Owner: Type: bug | Status: closed Priority: highest | 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 Ben Gamari ): In [changeset:"f091218ae14a24f9dbd991794c2da6377364578b/ghc" f091218/ghc]: {{{ #!CommitTicketReference repository="ghc" revision="f091218ae14a24f9dbd991794c2da6377364578b" CLabel: Catch #11155 during C-- pretty-printing In #11555 we ended up generating references to the non-existence stg_ap_0_upd. Here we add asserts to verify that we don't generate references to non-existent selector or application symbols. It would likely also make sense to add further asserts during code generation, so we can catch the issue even closer to its source. Test Plan: Validate Reviewers: simonmar, austin, ezyang Reviewed By: simonmar, austin Subscribers: thomie Differential Revision: https://phabricator.haskell.org/D2230 GHC Trac Issues: #11155 }}} -- Ticket URL: http://ghc.haskell.org/trac/ghc/ticket/11155#comment:16 GHC http://www.haskell.org/ghc/ The Glasgow Haskell Compiler