Re: [GHC] #8083: setNumCapabilities broken in HEAD

#8083: setNumCapabilities broken in HEAD ------------------------------------------------+-------------------------- Reporter: parcs | Owner: Type: bug | simonmar Priority: highest | Status: new Component: Runtime System | Milestone: 7.8.1 Resolution: | Version: 7.7 Operating System: Unknown/Multiple | Keywords: Type of failure: Incorrect result at runtime | Architecture: Test Case: T8083 | Unknown/Multiple Blocking: | Difficulty: | Unknown | Blocked By: | Related Tickets: ------------------------------------------------+-------------------------- Comment (by marlowsd@…): commit c23488590cd65fa584ddd648cdbab2fa13f5656b {{{ Author: Simon Marlow Date: Wed Jul 24 12:49:58 2013 +0100 Fix a bug in stack layout with safe foreign calls (#8083) We weren't properly tracking the number of stack arguments in the continuation of a foreign call. It happened to work when the continuation was not a join point, but when it was a join point we were using the wrong amount of stack fixup. compiler/cmm/CmmCommonBlockElim.hs | 2 +- compiler/cmm/CmmLayoutStack.hs | 15 ++++++++------- compiler/cmm/CmmLint.hs | 2 +- compiler/cmm/CmmNode.hs | 11 ++++++----- compiler/cmm/CmmPipeline.hs | 6 ++---- compiler/cmm/PprCmm.hs | 5 +++-- compiler/codeGen/StgCmmForeign.hs | 3 ++- 7 files changed, 23 insertions(+), 21 deletions(-) }}} -- Ticket URL: http://ghc.haskell.org/trac/ghc/ticket/8083#comment:10 GHC http://www.haskell.org/ghc/ The Glasgow Haskell Compiler