main 2014-07-07 12:28:21.811 ghc[37395:1103] *** NSForwarding: warning: selector (0x10ddef328) for message 'isMainThread' does not match selector known to Objective C runtime (0x7fff8ea15881)-- abort 2014-07-07 12:28:21.813 ghc[37395:1103] +[NSThread isMainThread]: unrecognized selector sent to class 0x7fff75535280 2014-07-07 12:28:21.814 ghc[37395:1103] *** Terminating app due to uncaught exception 'NSInvalidArgumentException', reason: '+[NSThread isMainThread]: unrecognized selector sent to class 0x7fff75535280' *** First throw call stack: ( 0 CoreFoundation 0x00007fff8bb4825c __exceptionPreprocess + 172 1 libobjc.A.dylib 0x00007fff85029e75 objc_exception_throw + 43 2 CoreFoundation 0x00007fff8bb4b02d +[NSObject(NSObject) doesNotRecognizeSelector:] + 205 3 CoreFoundation 0x00007fff8baa6322 ___forwarding___ + 1010 4 CoreFoundation 0x00007fff8baa5ea8 _CF_forwarding_prep_0 + 120 5 ??? 0x000000010ddef31a 0x0 + 4527682330 6 ??? 0x000000010ddf02f5 0x0 + 4527686389 )

#9278: GHCi crash: ------------------------------------------+------------------------------- Reporter: mietek | Owner: Type: bug | Status: new Priority: normal | Milestone: Component: GHCi | Version: 7.6.3 Keywords: crash, dynamic linking | Operating System: MacOS X Architecture: x86_64 (amd64) | Type of failure: GHCi crash Difficulty: Unknown | Test Case: Blocked By: | Blocking: Related Tickets: #9277 | ------------------------------------------+------------------------------- Given an Objective-C object file referencing a symbol available in a system framework, interactive GHCi 7.6.3 crashes in an odd fashion. Start with an Objective-C source file, defining a function to be used via the FFI: {{{ $ cat >foo.m < BOOL is_main_thread() { return [NSThread isMainThread]; } EOF }}} {{{ $ cat >Main.hs <http://www.haskell.org/ghc/ :? for help Loading package ghc-prim ... linking ... done. Loading package integer-gmp ... linking ... done. Loading package base ... linking ... done. Loading object (static) foo.o ... done Loading object (framework) Foundation ... done final link ... done Ok, modules loaded: Main. libc++abi.dylib: terminating with uncaught exception of type NSException Abort trap: 6 }}} -- Ticket URL: http://ghc.haskell.org/trac/ghc/ticket/9278 GHC http://www.haskell.org/ghc/ The Glasgow Haskell Compiler