message: llvm2alive: give up with functions that are too large
diff: @@ -938,6 +938,13 @@ end:
  constexpr_idx = 0;
  copy_idx = 0;
  + // don't even bother if number of BBs or instructions is huge..
  + if (distance(f.begin(), f.end()) > 5000 ||
  + f.getInstructionCount() > 10000) {
  + *out << "ERROR: Function is too large\n";
  + return {};
  + }
  +
  auto type = llvm_type2alive(f.getReturnType());
  if (!type)
  return {};
  