message: Fix for trunk change
  Relevant svn commit: 300367
  Github:
diff: @@ -4384,7 +4384,11 @@ void CWriter::visitCallInst(llvm::CallInst &I) {
  Out << ')';
  }
  // Check if the argument is expected to be passed by value.
  +#if ISPC_LLVM_VERSION <= ISPC_LLVM_4_0
  if (I.paramHasAttr(ArgNo+1,
  +#else // LLVM 5.0+
  + if (I.paramHasAttr(ArgNo,
  +#endif
  #if ISPC_LLVM_VERSION == ISPC_LLVM_3_2
  llvm::Attributes::ByVal
  #else /* LLVM 3.3+ */
  