SetPotentiallyWritten(operand->get());
    }
  });
}

void ResourceAnalyzer::PropagatePotentiallyWrittenUpFromCallee(
    Region& region, Operation::operand_range propagate_to) {
  (void)AnalyzeRegion(region);
  for (auto t : llvm::zip(region.getArguments(), propagate_to)) {
    if (!IsResource(std::get<0>(t))) {
      continue;
    }
    if (IsPotentiallyWritten(std::get<0>(t))) {

	case authTypeSigned, authTypePresigned:
		region := globalSite.Region()
		switch action {
		case policy.GetBucketLocationAction, policy.ListAllMyBucketsAction:
			region = ""
		}
		if s3Err = isReqAuthenticated(ctx, r, region, serviceS3); s3Err != ErrNone {
			return s3Err
		}
		cred, owner, s3Err = getReqAccessKeyV4(r, region, serviceS3)
	}
	if s3Err != ErrNone {
		return s3Err
	}

    "${IP_ALIAS_SUBNETWORK}" --project="${PROJECT}" --region="${REGION}" \
    --format='value(fingerprint)')
  local access_token
  access_token=$(gcloud auth print-access-token)
  local request="{\"allowSubnetCidrRoutesOverlap\":$1, \"fingerprint\":\"${fingerprint}\"}"
  local subnetwork_url
  subnetwork_url="${GCE_API_ENDPOINT}projects/${PROJECT}/regions/${REGION}/subnetworks/${IP_ALIAS_SUBNETWORK}"

// failure.
template <typename OpT>
LogicalResult GetOp(Region* region, OpT* result) {
  *result = {};
  for (auto op : region->getOps<OpT>()) {
    if (*result) return op.emitError("should be unique within a function");
    *result = op;
  }
  return success();
}

LogicalResult RunOnRegion(Region* region) {
  RecvTPUEmbeddingActivationsOp recv_op;
  if (failed(GetOp(region, &recv_op))) return failure();

	}
	return newAPIEndpoints
}

// Prints common server startup message. Prints credential, region and browser access.
func printServerCommonMsg(apiEndpoints []string) {
	// Get saved credentials.
	cred := globalActiveCred

	// Get saved region.
	region := globalSite.Region()

	apiEndpointStr := strings.TrimSpace(strings.Join(apiEndpoints, "  "))
	// Colorize the message and print.

// returns ErrNone if the signature matches.
func doesPolicySignatureV4Match(formValues http.Header) (auth.Credentials, APIErrorCode) {
	// Server region.
	region := globalSite.Region()

	// Parse credential tag.
	credHeader, s3Err := parseCredentialHeader("Credential="+formValues.Get(xhttp.AmzCredential), region, serviceS3)
	if s3Err != ErrNone {
		return auth.Credentials{}, s3Err
	}

	r := &http.Request{Header: formValues}

		},
		{
			name:     "locality with only region",
			locality: "region",
			want: &core.Locality{
				Region: "region",
			},
		},
		{
			name:     "locality with region and zone",
			locality: "region/zone",
			want: &core.Locality{
				Region: "region",
				Zone:   "zone",
			},
		},
		{
			name:     "locality with region zone and subzone",
			locality: "region/zone/subzone",

	return descendents
}

// UserRegionSummary represents a region and goroutine execution stats
// while the region was active. (For v2 traces.)
type UserRegionSummary struct {
	TaskID TaskID
	Name   string

	// Region start event. Normally EventRegionBegin event or nil,
	// but can be a state transition event from NotExist or Undetermined
	// if the region is a synthetic region representing task inheritance
	// from the parent goroutine.

				if testName == "user_task_region_1_21_good" {
					testedUserRegions = true
					validRegions := map[string]struct{}{
						"post-existing region": struct{}{},
						"region0":              struct{}{},
						"region1":              struct{}{},
					}
					// Check that we correctly convert user regions. These
					// strings were generated by
					// runtime/trace.TestUserTaskRegion, which is the basis for

    --project "${PROJECT}" \
    --region "${REGION}" \
    --protocol tcp \
    --region "${REGION}" \
    --load-balancing-scheme internal \
    --health-checks "${MASTER_NAME}-hc"

  gcloud compute forwarding-rules create "${MASTER_NAME}-internal" \
    --project "${PROJECT}" \
    --region "${REGION}" \
    --load-balancing-scheme internal \
    --network "${NETWORK}" \