// mutate *pkg.
	//
	// (previously, pkg.goVersion was mutated here: go.dev/issue/61212)

	return &Checker{
		conf:    conf,
		ctxt:    conf.Context,
		pkg:     pkg,
		Info:    info,
		version: asGoVersion(conf.GoVersion),
		objMap:  make(map[Object]*declInfo),
		impMap:  make(map[importKey]*Package),
	}
}

		t.Fatal("expected syntax error")
	}

	var conf Config
	conf.Check(f.PkgName.Value, []*syntax.File{f}, nil) // must not panic
}

func TestIssue61938(t *testing.T) {
	const src = `
package p

func f[T any]() {}
func _()        { f() }
`
	// no error handler provided (this issue)
	var conf Config
	typecheck(src, &conf, nil) // must not panic

	// with error handler (sanity check)

	"arm64": obj.Linknew(&arm64.Linkarm64),
}

func testConfig(tb testing.TB) *Conf      { return testConfigArch(tb, "amd64") }
func testConfigS390X(tb testing.TB) *Conf { return testConfigArch(tb, "s390x") }
func testConfigARM64(tb testing.TB) *Conf { return testConfigArch(tb, "arm64") }

func testConfigArch(tb testing.TB, arch string) *Conf {
	ctxt, ok := testCtxts[arch]
	if !ok {
		tb.Fatalf("unknown arch %s", arch)
	}

	}

	// set up typechecker
	var conf Config
	conf.Trace = manual && testing.Verbose()
	conf.Importer = defaultImporter()
	conf.Error = func(err error) {
		if *haltOnError {
			defer panic(err)
		}
		if listErrors {
			t.Error(err)
			return
		}
		errlist = append(errlist, err)
	}

	// apply custom configuration
	for _, opt := range opts {
		opt(&conf)
	}

// stdSizes is used if Config.Sizes == nil.
var stdSizes = SizesFor("gc", "amd64")

func (conf *Config) alignof(T Type) int64 {
	f := stdSizes.Alignof
	if conf.Sizes != nil {
		f = conf.Sizes.Alignof
	}
	if a := f(T); a >= 1 {
		return a
	}
	panic("implementation of alignof returned an alignment < 1")
}

func (conf *Config) offsetsof(T *Struct) []int64 {
	var offsets []int64
	if T.NumFields() > 0 {

	if x.Kind() == constant.Unknown {
		return true // avoid follow-up errors
	}

	var conf *Config
	if check != nil {
		conf = check.conf
	}

	sizeof := func(T Type) int64 {
		s := conf.sizeof(T)
		return s
	}

	switch {
	case isInteger(typ):
		x := constant.ToInt(x)
		if x.Kind() != constant.Int {
			return false
		}

    protected static final String SPNEGO_LOGIN_CLIENT_MODULE = "spnego.login.client.module";
    protected static final String SPNEGO_KRB5_CONF = "spnego.krb5.conf";
    protected static final String SPNEGO_LOGIN_CONF = "spnego.login.conf";
    protected static final String SPNEGO_LOGGER_LEVEL = "spnego.logger.level";

    protected org.codelibs.spnego.SpnegoAuthenticator authenticator = null;

    @PostConstruct

		if code == InvalidSyntaxTree {
			msg = "invalid syntax tree: " + msg
		}

		// If we have a URL for error codes, add a link to the first line.
		if check.conf.ErrorURL != "" {
			url := fmt.Sprintf(check.conf.ErrorURL, code)
			if i := strings.Index(msg, "\n"); i >= 0 {
				msg = msg[:i] + url + msg[i:]
			} else {
				msg += url
			}
		}
	} else {
		// Indent sub-error.

	}
	return f
}

func typecheck(src string, conf *Config, info *Info) (*Package, error) {
	f := mustParse(src)
	if conf == nil {
		conf = &Config{
			Error:    func(err error) {}, // collect all errors
			Importer: defaultImporter(),
		}
	}
	return conf.Check(f.PkgName.Value, []*syntax.File{f}, info)
}

func mustTypecheck(src string, conf *Config, info *Info) *Package {
	pkg, err := typecheck(src, conf, info)

	}

	// no package yet => import it
	if path == "C" && (check.conf.FakeImportC || check.conf.go115UsesCgo) {
		if check.conf.FakeImportC && check.conf.go115UsesCgo {
			check.error(pos, BadImportPath, "cannot use FakeImportC and go115UsesCgo together")
		}
		imp = NewPackage("C", "C")
		imp.fake = true // package scope is not populated
		imp.cgo = check.conf.go115UsesCgo
	} else {
		// ordinary import
		var err error