fp  = buildReg("F0 F1 F2 F3 F4 F5 F6 F7 F8 F9 F10 F11 F12 F13 F14 F15 F16 F17 F18 F19 F20 F21 F22 F23 F24 F25 F26 F27 F28 F29 F30")
		sp  = buildReg("SP")
		sb  = buildReg("SB")
		gr  = buildReg("g")
		xer = buildReg("XER")
		// cr  = buildReg("CR")
		// ctr = buildReg("CTR")
		// lr  = buildReg("LR")
		tmp     = buildReg("R31")
		ctxt    = buildReg("R11")
		callptr = buildReg("R12")
		// tls = buildReg("R13")

		gpg        = gp | buildReg("g")
		gpsp       = gp | buildReg("SP")
		gpspg      = gpg | buildReg("SP")
		gpspsbg    = gpspg | buildReg("SB")
		fp         = buildReg("F0 F1 F2 F3 F4 F5 F6 F7 F8 F9 F10 F11 F12 F13 F14 F15 F16 F17 F18 F19 F20 F21 F22 F23 F24 F25 F26 F27 F28 F29 F30 F31")
		callerSave = gp | fp | buildReg("g") // runtime.setg (and anything calling it) may clobber g
		r0         = buildReg("R0")
		r1         = buildReg("R1")

	return sh.CopyFile(dst, src, perm, force)
}

// copyFile is like 'cp src dst'.
func (sh *Shell) CopyFile(dst, src string, perm fs.FileMode, force bool) error {
	if cfg.BuildN || cfg.BuildX {
		sh.ShowCmd("", "cp %s %s", src, dst)
		if cfg.BuildN {
			return nil
		}
	}

	sf, err := os.Open(src)
	if err != nil {
		return err
	}
	defer sf.Close()

	// Be careful about removing/overwriting dst.

				}
			}
			continue
		}

		if cfg.BuildN {
			continue
		}

		if cleanFile[name] || cleanExt[filepath.Ext(name)] || toRemove[name] {
			removeFile(filepath.Join(p.Dir, name))
		}
	}

	if cleanI && p.Target != "" {
		if cfg.BuildN || cfg.BuildX {
			sh.ShowCmd("", "rm -f %s", p.Target)
		}
		if !cfg.BuildN {
			removeFile(p.Target)
		}
	}

	if cleanR {

	if err != nil {
		return err
	}

	if len(stdout) > 0 {
		sh := b.Shell(a)
		if cfg.BuildX || cfg.BuildN {
			sh.ShowCmd("", "%s  # internal", joinUnambiguously(str.StringList("cat", c.OutputFile(stdoutEntry.OutputID))))
		}
		if !cfg.BuildN {
			sh.Print(string(stdout))
		}
	}
	return nil
}

// flushOutput flushes the output being queued in a.

	// going to compile.
	goFile = objdir + goFile
	newGoFile := objdir + "_" + base + "_swig.go"
	if cfg.BuildX || cfg.BuildN {
		sh.ShowCmd("", "mv %s %s", goFile, newGoFile)
	}
	if !cfg.BuildN {
		if err := os.Rename(goFile, newGoFile); err != nil {
			return "", "", err
		}
	}
	return newGoFile, objdir + gccBase + gccExt, nil
}

	BuildCover         bool                    // -cover flag
	BuildCoverMode     string                  // -covermode flag
	BuildCoverPkg      []string                // -coverpkg flag
	BuildN             bool                    // -n flag
	BuildO             string                  // -o flag
	BuildP             = runtime.GOMAXPROCS(0) // -p flag
	BuildPGO           string                  // -pgo flag

			if strings.HasPrefix(arg, "-test.coverprofile=") {
				args[i] = "-test.coverprofile=" + coverProfTempFile(a)
			}
		}
	}

	if cfg.BuildN || cfg.BuildX {
		sh.ShowCmd("", "%s", strings.Join(args, " "))
		if cfg.BuildN {
			return nil
		}
	}

	// Normally, the test will terminate itself when the timeout expires,

		mustNotSelect(t, mustGetLabels(t, pdbRev, "spec.selector.matchLabels"), podLabels15)
	})
}

// TestLDFlags checks whether building mesh command with
// -ldflags "-X istio.io/istio/pkg/version.buildHub=myhub -X istio.io/istio/pkg/version.buildVersion=mytag"
// results in these values showing up in a generated manifest.
func TestLDFlags(t *testing.T) {
	tmpHub, tmpTag := version.DockerInfo.Hub, version.DockerInfo.Tag

			// Disallow installs to the GOROOT from which testgo was built.
			// Installs to other GOROOTs — such as one set explicitly within a test — are ok.
			work.AllowInstall = func(a *work.Action) error {
				if cfg.BuildN {
					return nil
				}

				rel := search.InDir(a.Target, testGOROOT)
				if rel == "" {
					return nil
				}

				callerPos := ""
				if _, file, line, ok := runtime.Caller(1); ok {