wd, err := os.Getwd()
	if err != nil {
		t.Fatalf("Failed to get working directory: %v", err)
	}

	path := filepath.Join(dir, "x")
	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 {

Robert Griesemer <******@****.***> 1670545237 -0800

Robert Griesemer <******@****.***> 1662082688 -0700

Robert Griesemer <******@****.***> 1684877561 -0700

Robert Griesemer <******@****.***> 1670545237 -0800

Robert Griesemer <******@****.***> 1670366619 -0800

Robert Griesemer <******@****.***> 1670545237 -0800

Robert Griesemer <******@****.***> 1683176727 -0700

	spinlock = 0;
	return NULL;
}

// This constructor function is run when the program starts.
// It is used for the CgoExternalThreadSIGPROF test.
__attribute__((constructor)) void issue9456() {
	if (getenv("GO_START_SIGPROF_THREAD") != NULL) {
		pthread_t tid;
		pthread_create(&tid, 0, thread1, NULL);
	}
}

void **nullptr;

void *crash(void *p) {
	*nullptr = p;
	return 0;
}

	tmpdir := t.TempDir()

	wd, err := os.Getwd()
	if err != nil {
		t.Fatalf("where am I? %v", err)
	}
	pdir := filepath.Join(wd, "testdata", "issue39757")
	f := gobuildTestdata(t, tmpdir, pdir, DefaultOpt)
	defer f.Close()

	syms, err := f.Symbols()
	if err != nil {
		t.Fatal(err)
	}

	var addr uint64
	for _, sym := range syms {