[GHC] #11720: pureMD5: Simplifier ticks exhausted
#11720: pureMD5: Simplifier ticks exhausted -------------------------------------+------------------------------------- Reporter: trommler | Owner: Type: bug | Status: new Priority: normal | Milestone: Component: Compiler | Version: 8.0.1-rc2 Keywords: | Operating System: Linux Architecture: | Type of failure: Compile-time Unknown/Multiple | crash Test Case: | Blocked By: Blocking: | Related Tickets: Differential Rev(s): | Wiki Page: -------------------------------------+------------------------------------- GHC panics with simplifier ticks exhausted on powerpc, powerpc64, and powerpc64le compiling pureMD5: {{{ [ 43s] [1 of 1] Compiling Data.Digest.Pure.MD5 ( Data/Digest/Pure/MD5.hs, dist/build/Data/Digest/Pure/MD5.o ) [...] [ 46s] ghc: panic! (the 'impossible' happened) [ 46s] (GHC version 8.0.0.20160204 for powerpc64le-unknown-linux): [ 46s] Simplifier ticks exhausted [ 46s] When trying UnfoldingDone $ [ 46s] To increase the limit, use -fsimpl-tick-factor=N (default 100) [ 46s] If you need to do this, let GHC HQ know, and what factor you needed [ 46s] To see detailed counts use -ddump-simpl-stats [ 46s] Total ticks: 168807 }}} pureMD5 compiles on i586 and x86_64. -- Ticket URL: http://ghc.haskell.org/trac/ghc/ticket/11720 GHC http://www.haskell.org/ghc/ The Glasgow Haskell Compiler
#11720: pureMD5: Simplifier ticks exhausted -------------------------------------+------------------------------------- Reporter: trommler | Owner: Type: bug | Status: new Priority: normal | Milestone: Component: Compiler | Version: 8.0.1-rc2 Resolution: | Keywords: Operating System: Linux | Architecture: Type of failure: Compile-time | Unknown/Multiple crash | Test Case: Blocked By: | Blocking: Related Tickets: | Differential Rev(s): Wiki Page: | -------------------------------------+------------------------------------- Comment (by simonpj): Does increasing `-fsimpl-tick-factor` help? How much do you need to increase it? -- Ticket URL: http://ghc.haskell.org/trac/ghc/ticket/11720#comment:1 GHC http://www.haskell.org/ghc/ The Glasgow Haskell Compiler
#11720: pureMD5: Simplifier ticks exhausted -------------------------------------+------------------------------------- Reporter: trommler | Owner: Type: bug | Status: new Priority: normal | Milestone: Component: Compiler | Version: 8.0.1-rc2 Resolution: | Keywords: Operating System: Linux | Architecture: Type of failure: Compile-time | Unknown/Multiple crash | Test Case: Blocked By: | Blocking: Related Tickets: | Differential Rev(s): Wiki Page: | -------------------------------------+------------------------------------- Comment (by trommler): Yes, I need at least a factor of 106. -- Ticket URL: http://ghc.haskell.org/trac/ghc/ticket/11720#comment:2 GHC http://www.haskell.org/ghc/ The Glasgow Haskell Compiler
#11720: pureMD5: Simplifier ticks exhausted -------------------------------------+------------------------------------- Reporter: trommler | Owner: Type: bug | Status: closed Priority: normal | Milestone: Component: Compiler | Version: 8.0.1-rc2 Resolution: duplicate | Keywords: Operating System: Linux | Architecture: Type of failure: Compile-time | Unknown/Multiple crash | Test Case: Blocked By: | Blocking: Related Tickets: #10852 | Differential Rev(s): Wiki Page: | -------------------------------------+------------------------------------- Changes (by bgamari): * status: new => closed * resolution: => duplicate * related: => #10852 Comment: This is a duplicate of #10852, where I believe we determined that `cereal` is at fault, requesting that we inline positively huge amounts of code. -- Ticket URL: http://ghc.haskell.org/trac/ghc/ticket/11720#comment:3 GHC http://www.haskell.org/ghc/ The Glasgow Haskell Compiler
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