#11047: Provide call stacks in GHCi -------------------------------------+------------------------------------- Reporter: simonmar | Owner: simonmar Type: task | Status: closed Priority: high | Milestone: 8.0.1 Component: GHCi | Version: 7.11 Resolution: fixed | Keywords: Operating System: Unknown/Multiple | Architecture: | Unknown/Multiple Type of failure: None/Unknown | Test Case: Blocked By: | Blocking: Related Tickets: #545, #4837, | Differential Rev(s): Phab:D1407, #11100 | Phab:D1595, Phab:D1747 Wiki Page: | -------------------------------------+------------------------------------- Comment (by Simon Marlow <marlowsd@…>): In [changeset:"6cb860a9a154847906868ac0be93d750f99dac86/ghc" 6cb860a9/ghc]: {{{ #!CommitTicketReference repository="ghc" revision="6cb860a9a154847906868ac0be93d750f99dac86" Add -prof stack trace to assert Summary: So that assertion failures have full call stack information attached when using `ghc -fexternal-interpreter -prof`. Here's one I just collected by inserting a dummy assert in Happy: ``` *** Exception: Assertion failed CallStack (from ImplicitParams): assert, called at ./First.lhs:37:11 in main:First CallStack (from -prof): First.mkFirst (First.lhs:37:11-27) First.mkFirst (First.lhs:37:11-93) Main.main2.runParserGen.first (Main.lhs:107:48-56) Main.main2.runParserGen.first (Main.lhs:107:27-57) Main.main2.runParserGen (Main.lhs:(96,9)-(276,9)) Main.main2.runParserGen (Main.lhs:(90,9)-(276,10)) Main.main2.runParserGen (Main.lhs:(86,9)-(276,10)) Main.main2.runParserGen (Main.lhs:(85,9)-(276,10)) Main.main2 (Main.lhs:74:20-43) Main.main2 (Main.lhs:(64,9)-(78,61)) Main.main (Main.lhs:57:9-18) ``` Test Plan: validate Reviewers: erikd, hvr, austin, bgamari Reviewed By: bgamari Subscribers: thomie Differential Revision: https://phabricator.haskell.org/D1765 GHC Trac Issues: #11047 }}} -- Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/11047#comment:18> GHC <http://www.haskell.org/ghc/> The Glasgow Haskell Compiler