#8834: 64-bit windows cabal.exe segfaults in GC ----------------------------------+---------------------------------- Reporter: awson | Owner: Type: bug | Status: patch Priority: highest | Milestone: 7.8.1 Component: Compiler | Version: 7.8.1-rc2 Resolution: | Keywords: Operating System: Windows | Architecture: x86_64 (amd64) Type of failure: Runtime crash | Difficulty: Unknown Test Case: | Blocked By: Blocking: | Related Tickets: ----------------------------------+---------------------------------- Comment (by awson): All looks quite the contrary: {{{ ... #define REG_R2 r14 #define REG_R3 rsi #define REG_R4 rdi ... }}} [http://msdn.microsoft.com/en-us/library/6t169e9c.aspx The registers RBX, RBP, RDI, RSI, RSP, R12, R13, R14, and R15 are considered nonvolatile...] And we have *not defined* here: {{{ #if !defined(mingw32_HOST_OS) #define CALLER_SAVES_R3 #define CALLER_SAVES_R4 }}} -- Ticket URL: http://ghc.haskell.org/trac/ghc/ticket/8834#comment:37 GHC http://www.haskell.org/ghc/ The Glasgow Haskell Compiler