message: Hash POPLAR_TARGET_OPTIONS
  Summary: Fix T63465
  Reviewers: #tensorflow, #framework_ip_review_-_any_oss_or_third-party_code_use_has_been_approved, jakeh
  Maniphest Tasks: T63465
diff: @@ -1977,6 +1977,10 @@ Status PoplarExecutor::ConfigurePoplarDevice(const IpuOptions& cfg) {
  if (env_engine_options) {
  target_hash.push_back(std::hash<string>()(std::string(env_engine_options)));
  }
  + char* env_target_options = getenv("POPLAR_TARGET_OPTIONS");
  + if (env_target_options) {
  + target_hash.push_back(std::hash<string>()(std::string(env_target_options)));
  + }
  // Get remote memory support.
  target_hash.push_back(SupportsRemoteBuffers());
  