argv := []string{"build", "-o", path, filepath.Join(wd, "testdata", "issue39256")}
	out, err := testenv.Command(t, testenv.GoToolPath(t), argv...).CombinedOutput()
	if err != nil {
		t.Fatalf("Build failure: %s\n%s\n", err, string(out))
	}

	f, err := elf.Open(path)
	if err != nil {
		t.Fatalf("Failed to open ELF file: %v", err)
	}
	libs, err := f.ImportedLibraries()
	if err != nil {

	var err error
	read := func(data any) bool {
		err = binary.Read(r, binary.LittleEndian, data)
		return err == nil
	}

	if !read(&ohMagic) {
		return nil, fmt.Errorf("failure to read optional header magic: %v", err)

	}

	switch ohMagic {
	case 0x10b: // PE32
		var (
			oh32 OptionalHeader32
			// There can be 0 or more data directories. So the minimum size of optional

	PUSHL	BP
	MOVL	SP, BP
	SUBL	$4, SP
	MOVL	12(SP), DX		// pointer to args
	MOVL	0(DX), AX
	MOVL	AX, 0(SP)		// arg 1 - status
	CALL	libc_exit(SB)
	MOVL	$0xf1, 0xf1		// crash on failure
	MOVL	BP, SP
	POPL	BP
	RET

TEXT runtime·getthrid_trampoline(SB),NOSPLIT,$0
	PUSHL	BP
	CALL	libc_getthrid(SB)
	NOP	SP			// tell vet SP changed - stop checking offsets

	CMP	$-1, R0
	BNE	3(PC)
	MOVW	$0, R8			// crash on failure
	MOVW	R8, (R8)
	MOVW	R9, R13
	RET

TEXT runtime·madvise_trampoline(SB), NOSPLIT, $0
	MOVW	R13, R9
	BIC     $0x7, R13		// align for ELF ABI
	MOVW	4(R0), R1		// arg 2 len
	MOVW	8(R0), R2		// arg 3 advice
	MOVW	0(R0), R0		// arg 1 addr
	BL	libc_madvise(SB)
	// ignore failure - maybe pages are locked
	MOVW	R9, R13
	RET

	CALL	libc_munmap(SB)
	CMP	$-1, R0
	BNE	3(PC)
	MOVD	$0, R0			// crash on failure
	MOVD	R0, (R0)
	RET

TEXT runtime·madvise_trampoline(SB), NOSPLIT, $0
	MOVD	8(R0), R1		// arg 2 - len
	MOVW	16(R0), R2		// arg 3 - advice
	MOVD	0(R0), R0		// arg 1 - addr
	CALL	libc_madvise(SB)
	// ignore failure - maybe pages are locked
	RET

TEXT runtime·open_trampoline(SB),NOSPLIT,$0

		}
		if !ecdsa.VerifyASN1(pubKey, signed, sig) {
			return errors.New("ECDSA verification failure")
		}
	case signatureEd25519:
		pubKey, ok := pubkey.(ed25519.PublicKey)
		if !ok {
			return fmt.Errorf("expected an Ed25519 public key, got %T", pubkey)
		}
		if !ed25519.Verify(pubKey, signed, sig) {
			return errors.New("Ed25519 verification failure")
		}
	case signaturePKCS1v15:
		pubKey, ok := pubkey.(*rsa.PublicKey)
		if !ok {

	-- $WORK/d2/src/p2/p2.go --
	package p2
	func F() {}
	-- $WORK/p2x.go --
	package p2
	func F() {}
	func G() {}

The bug is that the final phase installs p11 instead of p1. The test failure looks like:

	$ go test -run=Script
	--- FAIL: TestScript (3.75s)
	    --- FAIL: TestScript/install_rebuild_gopath (0.16s)
	        script_test.go:223:
	            # GOPATH with p1 in d2, p2 in d2 (0.000s)

	MOVD $0, R15 // Move SVC args into registers (entry point still in r0 from SVC 08)
	SVC_DELETE
	MOVD R2, R15 // Restore go stack pointer

error:
	MOVD $0, ret+8(FP) // Return 0 on failure

done:
	XOR R0, R0 // Reset r0 to 0
	RET

// func svcUnload(name *byte, fnptr unsafe.Pointer) int64
TEXT ·svcUnload(SB), NOSPLIT, $0
	MOVD R15, R2          // Save go stack pointer

		cname, srvs, err := LookupSRV(tt.service, tt.proto, tt.name)
		if err != nil {
			testenv.SkipFlakyNet(t)
			if attempts < len(backoffDuration) {
				dur := backoffDuration[attempts]
				t.Logf("backoff %v after failure %v\n", dur, err)
				time.Sleep(dur)
				attempts++
				i--
				continue
			}
			t.Fatal(err)
		}
		if len(srvs) == 0 {
			t.Error("got no record")
		}
		if !hasSuffixFold(cname, tt.cname) {

// See [golang.org/x/tools/cmd/bisect] for details about using the tool.
//
// To be a bisect target, allowing bisect to help determine which of a set of independent
// changes provokes a failure, a program needs to:
//
//  1. Define a way to accept a change pattern on its command line or in its environment.
//     The most common mechanism is a command-line flag.