#13956: ghc panic compiling lame-0.1.1 -------------------------------------+------------------------------------- Reporter: uznx | Owner: (none) Type: bug | Status: new Priority: normal | Milestone: 8.2.2 Component: Compiler | Version: 8.2.1-rc3 Resolution: | Keywords: Operating System: Linux | Architecture: x86_64 Type of failure: Compile-time | (amd64) crash or panic | Test Case: Blocked By: | Blocking: Related Tickets: | Differential Rev(s): Wiki Page: | -------------------------------------+------------------------------------- Comment (by bgamari): This appears to be due to, {{{ b8f58d79ee3e34840beeea2fab846a9f47bff21a is the first bad commit commit b8f58d79ee3e34840beeea2fab846a9f47bff21a Author: Simon Peyton Jones <simonpj@microsoft.com> Date: Fri Dec 23 14:17:42 2016 +0000 Another improvement to SetLevels In my recent commit commit 432f952ef64641be9f32152a0fbf2b8496d8fe9c Float unboxed expressions by boxing I changed how float_me in lvlMFE worked. That was right, but it exposed another bug: an error expression wasn't getting floated as it should from a case alternative. And that led to a collection of minor improvements }}} -- Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/13956#comment:2> GHC <http://www.haskell.org/ghc/> The Glasgow Haskell Compiler