message: Fix assertion in global_get
diff: @@ -815,7 +815,7 @@ execution_result execute(Instance& instance, FuncIdx func_idx, std::vector<uint6
  case Instr::global_get:
  {
  const auto idx = read<uint32_t>(immediates);
  - assert(idx <= instance.globals.size());
  + assert(idx < instance.imported_globals.size() + instance.globals.size());
  if (idx < instance.imported_globals.size())
  {
  stack.push(*instance.imported_globals[idx].value);
  