// cmd.exe disagrees. Probably the test case is wrong?
						t.Fatalf("%v\n\tresolved to %s\n\twant %s", cmd, gotAbs, wantAbs)
					}
				} else if tt.wantErr == nil {
					if ee, ok := err.(*exec.ExitError); ok && len(ee.Stderr) > 0 {
						t.Fatalf("%v: %v\n%s", cmd, err, ee.Stderr)
					}
					t.Fatalf("%v: %v", cmd, err)
				}
			}

			got, err := exec.LookPath(tt.searchFor)
			if filepath.IsAbs(got) {

}

// transformToXTablesErrorMessage returns an updated error message with explicit xtables error hints, if applicable.
func transformToXTablesErrorMessage(stderr string, err error) string {
	ee, ok := err.(*exec.ExitError)
	if !ok {
		// Not common, but can happen if file not found error, etc
		return err.Error()
	}
	exitcode := ee.ExitCode()
	if errtypeStr, ok := exittypeToString[XTablesExittype(exitcode)]; ok {

		cmd.Env = append(cmd.Environ(), "GO_WANT_HELPER_PROCESS=1")
		out, err := cmd.CombinedOutput()
		t.Logf("%v:\n%s", cmd, out)
		if _, ok := err.(*exec.ExitError); !ok {
			t.Fatal(err)
		}

		// Because the outer subtests (and TestRunningTests itself) are marked as
		// parallel, their test functions return (and are no longer “running”)

// extra paths passed to it are included in the channel.
func dirsInit(extra ...Dir) {
	if buildCtx.GOROOT == "" {
		stdout, err := exec.Command("go", "env", "GOROOT").Output()
		if err != nil {
			if ee, ok := err.(*exec.ExitError); ok && len(ee.Stderr) > 0 {
				log.Fatalf("failed to determine GOROOT: $GOROOT is not set and 'go env GOROOT' failed:\n%s", ee.Stderr)
			}

func expectSignal(t *testing.T, err error, sig1, sig2 syscall.Signal) bool {
	t.Helper()
	if err == nil {
		t.Error("test program succeeded unexpectedly")
	} else if ee, ok := err.(*exec.ExitError); !ok {
		t.Errorf("error (%v) has type %T; expected exec.ExitError", err, err)
	} else if ws, ok := ee.Sys().(syscall.WaitStatus); !ok {
		t.Errorf("error.Sys (%v) has type %T; expected syscall.WaitStatus", ee.Sys(), ee.Sys())

		err = runOnDevice(appdir)
	} else {
		err = runOnSimulator(appdir)
	}
	if err != nil {
		// If the lldb driver completed with an exit code, use that.
		if err, ok := err.(*exec.ExitError); ok {
			if ws, ok := err.Sys().(interface{ ExitStatus() int }); ok {
				return ws.ExitStatus(), nil
			}
		}
		return 1, err
	}
	return 0, nil
}

func runOnSimulator(appdir string) error {

pkg net/url, method (*Error) Temporary() bool
pkg net/url, method (*Error) Timeout() bool
pkg net/url, method (InvalidHostError) Error() string
pkg net/url, type InvalidHostError string
pkg os/exec, type ExitError struct, Stderr []uint8
pkg regexp, method (*Regexp) Copy() *Regexp
pkg runtime/debug, func SetTraceback(string)
pkg strconv, func AppendQuoteRuneToGraphic([]uint8, int32) []uint8

		return
	}
	cmd := exec.CommandContext(ctx, cmdStr, args...)
	cmd.Stdout = w
	cmd.Stderr = w

	if err := cmd.Run(); err != nil {
		if _, ok := err.(*exec.ExitError); ok {
			return
		}
		if previousBoot == 0 {
			fmt.Fprintf(w, "\nerror: journal output not available\n")
		}
	}
}

	goCmd(t, "build", "-o", "forkexec.exe", "./forkexec/main.go")

	for i := 0; i < 100; i++ {
		cmd := testenv.Command(t, "./forkexec.exe", "1")
		err := cmd.Run()
		if err != nil {
			if ee, ok := err.(*exec.ExitError); ok && len(ee.Stderr) > 0 {
				t.Logf("stderr:\n%s", ee.Stderr)
			}
			t.Errorf("running command failed: %v", err)
			break
		}
	}
}

func TestSymbolNameMangle(t *testing.T) {

	out, _ := cmd.CombinedOutput()
	return string(out) == "true\n"
}

func errchk(c *exec.Cmd, files []string, t *testing.T) {
	output, err := c.CombinedOutput()
	if _, ok := err.(*exec.ExitError); !ok {
		t.Logf("vet output:\n%s", output)
		t.Fatal(err)
	}
	fullshort := make([]string, 0, len(files)*2)
	for _, f := range files {
		fullshort = append(fullshort, f, filepath.Base(f))
	}