#16100: T11627a fails sometimes on CI -------------------------------------+------------------------------------- Reporter: mpickering | Owner: (none) Type: bug | Status: new Priority: normal | Milestone: Component: Compiler | Version: 8.6.3 Resolution: | Keywords: Operating System: Unknown/Multiple | Architecture: | Unknown/Multiple Type of failure: None/Unknown | Test Case: Blocked By: | Blocking: Related Tickets: | Differential Rev(s): Wiki Page: | -------------------------------------+------------------------------------- Comment (by RyanGlScott): `heapprof001` also occasionally fails with the same panic ([https://ghc- gitlab.s3.amazonaws.com/6b/86/6b86b273ff34fce19d6b804eff5a3f5747ada4eaa22f1d49c01e52ddb7875b4b/2019_01_17/12575/17445/job.log ?response-content-type=text/plain%3B%20charset%3Dutf-8&response-content- disposition=inline&X-Amz-Expires=600&X-Amz-Date=20190117T113941Z&X-Amz- Algorithm=AWS4-HMAC-SHA256&X-Amz-Credential=AKIAI3NPPHETCY4XXTOA/20190117 /us-east-1/s3/aws4_request&X-Amz-SignedHeaders=host&X-Amz- Signature=383c0778b825e04099591919b5cb44dae3662cb42cd69b125cf3def62e142e10 example] from a `validate-x86_64-linux-fedora27` configuration): {{{ Wrong exit code for heapprof001(prof_hc_hb)(expected 0 , actual 134 ) Stdout ( heapprof001 ): a <= a <= a <= a <= a <= a <= a <= Stderr ( heapprof001 ): heapprof001: internal error: LDV_recordDead: Failed to find counter for closure 0x42000af050 (GHC version 8.7.20190115 for x86_64_unknown_linux) Please report this as a GHC bug: https://www.haskell.org/ghc/reportabug *** unexpected failure for heapprof001(prof_hc_hb)}}} -- Ticket URL: http://ghc.haskell.org/trac/ghc/ticket/16100#comment:2 GHC http://www.haskell.org/ghc/ The Glasgow Haskell Compiler