Use io_context rather than io_service alias.

boost::asio::io_service is only for backwards compatibility.

compiler_gym/envs/llvm/service/Cost.cc

@@ -74,9 +74,9 @@ Status getTextSizeInBytes(llvm::Module& module, int64_t* value, const fs::path&
  fmt::format("{} -w -xir - -o {} -c", clangPath.string(), tmpFile.string());
 #endif
 
- boost::asio::io_service clangService;
+ boost::asio::io_context clangContext;
  auto stdinBuffer{boost::asio::buffer(ir)};
- bp::async_pipe stdinPipe(clangService);
+ bp::async_pipe stdinPipe(clangContext);
  boost::asio::io_context clangStderrStream;
  std::future<std::string> clangStderrFuture;
 
@@ -88,8 +88,8 @@ Status getTextSizeInBytes(llvm::Module& module, int64_t* value, const fs::path&
  stdinPipe, stdinBuffer,
  [&](const boost::system::error_code& ec, std::size_t n) { stdinPipe.async_close(); });
 
- clangService.run_for(std::chrono::seconds(60));
- if (clangService.poll()) {
+ clangContext.run_for(std::chrono::seconds(60));
+ if (clangContext.poll()) {
  return Status(StatusCode::INVALID_ARGUMENT,
  fmt::format("Failed to compute .text size cost within 60 seconds"));
  }