os.Remove(libgoh)
		}()
	}

	ccArgs := append(cc, "-o", exe, "main.c")
	if GOOS == "windows" {
		ccArgs = append(ccArgs, "main_windows.c", libgoa, "-lntdll", "-lws2_32", "-lwinmm")
	} else {
		ccArgs = append(ccArgs, "main_unix.c", libgoa)
	}
	if runtime.Compiler == "gccgo" {
		ccArgs = append(ccArgs, "-lgo")
	}
	t.Log(ccArgs)
	if out, err := exec.Command(ccArgs[0], ccArgs[1:]...).CombinedOutput(); err != nil {

		Tag               string
		ImagePullSecrets  []string
		Revision          string
	}{
		IstioNamespace:    ocArgs.istioNamespace,
		WatchedNamespaces: ocArgs.watchedNamespaces,
		Hub:               ocArgs.hub,
		Tag:               ocArgs.tag,
		ImagePullSecrets:  ocArgs.imagePullSecrets,
		Revision:          ocArgs.revision,
	}
	vals, err := util.RenderTemplate(tmpl, tv)
	if err != nil {
		return "", "", err
	}

		os.Setenv("CGO_LDFLAGS", cgoLDFlags)

	}

	// Do a test build that doesn't involve Go FORTRAN support.
	fcArgs := append([]string{"testdata/helloworld/helloworld.f90", "-o", "/dev/null"}, fcExtra...)
	t.Logf("%s %s", fc, fcArgs)
	if err := exec.Command(fc, fcArgs...).Run(); err != nil {
		t.Skipf("skipping Fortran test: could not build helloworld.f90 with %s: %s", fc, err)
	}

	// Finally, run the actual test.

	out := "_go_.o"
	ofile = objdir + out
	gcargs := []string{"-g"}
	gcargs = append(gcargs, b.gccArchArgs()...)
	gcargs = append(gcargs, "-fdebug-prefix-map="+b.WorkDir+"=/tmp/go-build")
	gcargs = append(gcargs, "-gno-record-gcc-switches")
	if pkgpath := gccgoPkgpath(p); pkgpath != "" {
		gcargs = append(gcargs, "-fgo-pkgpath="+pkgpath)
	}
	if p.Internal.LocalPrefix != "" {
		gcargs = append(gcargs, "-fgo-relative-import-path="+p.Internal.LocalPrefix)

				})
			}
		})
}

func verifyRevision(t framework.TestContext, i istioctl.Instance, podName, podNamespace, revision string) {
	t.Helper()
	pcArgs := []string{"pc", "bootstrap", podName, "-n", podNamespace}
	bootstrapConfig, _ := i.InvokeOrFail(t, pcArgs)
	expected := fmt.Sprintf("\"discoveryAddress\": \"istiod-%s.istio-system.svc:15012\"", revision)
	if !strings.Contains(bootstrapConfig, expected) {

	STP	(R4, R5), (4*8)(R14)
	STP	(R6, R7), (6*8)(R14)

	// Push C callee-save registers R19-R28.
	// LR, FP already saved.
	SAVE_R19_TO_R28(8*9)

	// Create a struct callbackArgs on our stack.
	MOVD	$cbargs-(18*8+callbackArgs__size)(SP), R13
	MOVD	R12, callbackArgs_index(R13)	// callback index
	MOVD	R14, R0
	MOVD	R0, callbackArgs_args(R13)		// address of args vector
	MOVD	$0, R0
	MOVD	R0, callbackArgs_result(R13)	// result

{{ end }}
{{ with .PortMatch }}
    match:
    - port: {{.}}
{{ end }}
`, args)
	default:
		panic(variant + " unknown")
	}
}

type scArgs struct {
	Namespace string
	Egress    []string
}

func (args scArgs) Config(t *testing.T, variant string) string {
	return tmpl.MustEvaluate(`apiVersion: networking.istio.io/v1alpha3
kind: Sidecar
metadata:
  name: "{{.Namespace}}"

		t.Fatalf("meta-data file not created: %v", err)
	} else {
		inf.Close()
	}

	// Make sure it is digestible.
	cdargs := []string{"tool", "covdata", "percent", "-i", mdir}
	cmd := testenv.Command(t, testenv.GoToolPath(t), cdargs...)
	run(cmd, t)
}

func testCoverNoTestsNoFuncs(t *testing.T) {
	t.Parallel()
	dir := tempDir(t)

	}
}

// RunCommand runs a command for the repo, with standard environment variables set
func RunCommand(args Args, c string, cargs ...string) error {
	cmd := VerboseCommand(c, cargs...)
	cmd.Env = StandardEnv(args)
	cmd.Stderr = os.Stderr
	cmd.Stdout = os.Stdout
	cmd.Dir = testenv.IstioSrc
	return cmd.Run()

// The installation is for testing with a kubebuilder fake cluster only, since no functional Deployment will be
// created.
func fakeInstallOperator(reconciler *helmreconciler.HelmReconciler, chartSource chartSourceType) error {
	ocArgs := &operatorCommonArgs{
		manifestsPath:     string(chartSource),
		istioNamespace:    constants.IstioSystemNamespace,
		watchedNamespaces: constants.IstioSystemNamespace,
		operatorNamespace: operatorDefaultNamespace,