Merge pull request #108 from bitstadium/feature/xcode9

Replace LIBCXXABI_NORETURN with the attribute it represented

Author: lumaxis

Classes/CrashReporting/BITCrashCXXExceptionHandler.mm

@@ -26,7 +26,7 @@
 
 @implementation BITCrashUncaughtCXXExceptionHandlerManager
 
-extern "C" void LIBCXXABI_NORETURN __cxa_throw(void *exception_object, std::type_info *tinfo, void (*dest)(void *))
+extern "C" void __attribute__((noreturn)) __cxa_throw(void *exception_object, std::type_info *tinfo, void (*dest)(void *))
 {
   // Purposely do not take a lock in this function. The aim is to be as fast as
   // possible. While we could really use some of the info set up by the real
@@ -40,7 +40,7 @@ @implementation BITCrashUncaughtCXXExceptionHandlerManager
   // implementation changing in a future version. (Or not existing in an earlier
   // version).
 
-  typedef void (*cxa_throw_func)(void *, std::type_info *, void (*)(void *)) LIBCXXABI_NORETURN;
+  typedef void (*cxa_throw_func)(void *, std::type_info *, void (*)(void *)) __attribute__((noreturn));
   static dispatch_once_t predicate = 0;
   static cxa_throw_func __original__cxa_throw = nullptr;
   static const void **__real_objc_ehtype_vtable = nullptr;