#14677: Code generator does not correctly tag a pointer -------------------------------------+------------------------------------- Reporter: simonpj | Owner: (none) Type: bug | Status: new Priority: normal | Milestone: Component: Compiler | Version: 8.2.2 Resolution: | Keywords: CodeGen Operating System: Unknown/Multiple | Architecture: | Unknown/Multiple Type of failure: None/Unknown | Test Case: Blocked By: 15155 | Blocking: 14626 Related Tickets: | Differential Rev(s): Wiki Page: | -------------------------------------+------------------------------------- Comment (by heisenbug): I am going to dump here the differences between 8.6.3-created libs and HEAD's libs, w.r.t. exported nullary symbols: {{{ $ nm /home/pkoeckri/.stack/programs/x86_64-linux/ghc-8.6.3/lib/ghc-8.6.3/base-4.12.0.0/libHSbase-4.12.0.0.a | grep evtRead U base_GHCziEventziInternal_evtRead_closure U base_GHCziEventziInternal_evtRead_closure 0000000000000000 D base_GHCziEventziInternal_evtRead_closure U base_GHCziEventziInternal_evtRead_closure U base_GHCziEventziInternal_evtRead_closure U base_GHCziEventziInternal_evtRead_closure }}} (`lib/ghc-8.4.4/base-4.11.1.0/libHSbase-4.11.1.0.a` is identical to above.) {{{ $ nm _build/stage1/lib/x86_64-linux- ghc-8.7.20190106/base-4.12.0.0/libHSbase-4.12.0.0.a | grep evtRe U base_GHCziEventziInternal_evtRead1_closure U base_GHCziEventziInternal_evtRead1_closure 0000000000000290 D base_GHCziEventziInternal_evtRead1_closure 00000000000002a0 D base_GHCziEventziInternal_evtRead_closure U base_GHCziEventziInternal_evtRead1_closure U base_GHCziEventziInternal_evtRead1_closure U base_GHCziEventziInternal_evtRead1_closure }}} -- Ticket URL: http://ghc.haskell.org/trac/ghc/ticket/14677#comment:34 GHC http://www.haskell.org/ghc/ The Glasgow Haskell Compiler