#14880: GHC panic: updateRole -------------------------------------+------------------------------------- Reporter: RyanGlScott | Owner: goldfire Type: bug | Status: new Priority: normal | Milestone: 8.8.1 Component: Compiler (Type | Version: 8.2.2 checker) | Resolution: | Keywords: TypeInType Operating System: Unknown/Multiple | Architecture: Type of failure: Compile-time | Unknown/Multiple crash or panic | Test Case: Blocked By: | Blocking: Related Tickets: #15076 | Differential Rev(s): Phab:D4769 Wiki Page: | -------------------------------------+------------------------------------- Comment (by tdammers): Hmm, so when I skip the `-ticky`, the difference between the baseline and the `VarSet` version melts away: Baseline: {{{ User time (seconds): 3.26 System time (seconds): 0.09 Percent of CPU this job got: 94% Elapsed (wall clock) time (h:mm:ss or m:ss): 0:03.53 }}} VarSet: {{{ User time (seconds): 3.25 System time (seconds): 0.06 Percent of CPU this job got: 96% Elapsed (wall clock) time (h:mm:ss or m:ss): 0:03.44 }}} In fact, `VarSet` now ends up faster than `FV`. -- Ticket URL: http://ghc.haskell.org/trac/ghc/ticket/14880#comment:77 GHC http://www.haskell.org/ghc/ The Glasgow Haskell Compiler