}
		pgoProfile = a1.built
	}

	if p.Internal.BuildInfo != nil && cfg.ModulesEnabled {
		prog := modload.ModInfoProg(p.Internal.BuildInfo.String(), cfg.BuildToolchainName == "gccgo")
		if len(prog) > 0 {
			if err := sh.writeFile(objdir+"_gomod_.go", prog); err != nil {
				return err
			}
			gofiles = append(gofiles, objdir+"_gomod_.go")
		}
	}

	// Compile Go.

	}
	t.Parallel()

	tmpdir := t.TempDir()

	const prog = `
package main

import (
	"fmt"
	"os"
)

func main() {
	fmt.Printf("%q", os.Args)
}
`
	src := filepath.Join(tmpdir, "main.go")
	if err := os.WriteFile(src, []byte(prog), 0666); err != nil {
		t.Fatal(err)
	}

	exe := filepath.Join(tmpdir, "main.exe")

	case ABVS:
		return Unordered
	}
	c.ctxt.Diag("unknown conditional branch %v", p.As)
	return Always
}

func regtmp(p *obj.Prog) uint32 {
	p.Mark |= USETMP
	return REGTMP
}

func (c *ctxtz) asmout(p *obj.Prog, asm *[]byte) {
	o := c.oplook(p)

	if o == nil {
		return
	}

	// If REGTMP is used in generated code, we need to set USETMP on p.Mark.

		if a.Sym != nil && c.ctxt.Flag_dynlink && !pfxEnabled {
			return C_BRAPIC
		}
		return C_BRA
	}

	return C_GOK
}

func prasm(p *obj.Prog) {
	fmt.Printf("%v\n", p)
}

func (c *ctxt9) oplook(p *obj.Prog) *Optab {
	a1 := int(p.Optab)
	if a1 != 0 {
		return &optab[a1-1]
	}
	a1 = int(p.From.Class)
	if a1 == 0 {
		a1 = c.aclass(&p.From) + 1

		{"OpStar", Const, 0},
		{"OpWordBoundary", Const, 0},
		{"POSIX", Const, 0},
		{"Parse", Func, 0},
		{"Perl", Const, 0},
		{"PerlX", Const, 0},
		{"Prog", Type, 0},
		{"Prog.Inst", Field, 0},
		{"Prog.NumCap", Field, 0},
		{"Prog.Start", Field, 0},
		{"Regexp", Type, 0},
		{"Regexp.Cap", Field, 0},
		{"Regexp.Flags", Field, 0},
		{"Regexp.Max", Field, 0},
		{"Regexp.Min", Field, 0},

	b.toolIDCache[key+".exe"] = exe
	b.id.Unlock()

	return id, exe, nil
}

// Check if assembler used by gccgo is GNU as.
func assemblerIsGas() bool {
	cmd := exec.Command(BuildToolchain.compiler(), "-print-prog-name=as")
	assembler, err := cmd.Output()
	if err == nil {
		cmd := exec.Command(strings.TrimSpace(string(assembler)), "--version")
		out, err := cmd.Output()
		return err == nil && strings.Contains(string(out), "GNU")

	inStacks        int64 // byte delta of memory reserved for stacks
	inWorkBufs      int64 // byte delta of memory reserved for work bufs
	inPtrScalarBits int64 // byte delta of memory reserved for unrolled GC prog bits

	// Allocator stats.
	//
	// These are all uint64 because they're cumulative, and could quickly wrap
	// around otherwise.
	tinyAllocCount  uint64                  // number of tiny allocations

	hasGoroot := false
	for _, v := range tg.env {
		if strings.HasPrefix(v, "GOROOT=") {
			hasGoroot = true
			break
		}
	}
	prog := tg.goTool()
	if !hasGoroot {
		tg.setenv("GOROOT", testGOROOT)
	}

	tg.t.Logf("running testgo %v", args)
	cmd := testenv.Command(tg.t, prog, args...)
	tg.stdout.Reset()
	tg.stderr.Reset()
	cmd.Dir = tg.execDir
	cmd.Stdout = &tg.stdout
	cmd.Stderr = &tg.stderr

}

func (i CompressionType) String() string   { return stringName(uint32(i), compressionStrings, false) }
func (i CompressionType) GoString() string { return stringName(uint32(i), compressionStrings, true) }

// Prog.Type
type ProgType int

const (
	PT_NULL    ProgType = 0 /* Unused entry. */
	PT_LOAD    ProgType = 1 /* Loadable segment. */
	PT_DYNAMIC ProgType = 2 /* Dynamic linking information segment. */

		}
	}

	uuidUpdated := false
	if combineDwarf {
		// Find "dsymutils" and "strip" tools using CC --print-prog-name.
		var cc []string
		cc = append(cc, ctxt.extld()...)
		cc = append(cc, hostlinkArchArgs(ctxt.Arch)...)
		cc = append(cc, "--print-prog-name", "dsymutil")
		out, err := exec.Command(cc[0], cc[1:]...).CombinedOutput()
		if err != nil {