// Don't use LookupNum; it interns the resulting string, but these are all unique.
	sym := typecheck.Lookup(fmt.Sprintf("%s%d", obj.StaticNamePref, statuniqgen))
	statuniqgen++

	n := ir.NewNameAt(base.Pos, sym, t)
	sym.Def = n

	n.Class = ir.PEXTERN
	typecheck.Target.Externs = append(typecheck.Target.Externs, n)

	n.Linksym().Set(obj.AttrStatic, true)
	return n
}

	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)
	conf.Error = func(error) {}
	typecheck(src, &conf, nil) // must not panic
}

func TestIssue63260(t *testing.T) {
	const src = `
package p

func _() {
        use(f[*string])

	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)
	conf.Error = func(error) {}
	typecheck(src, &conf, nil) // must not panic
}

func TestIssue63260(t *testing.T) {
	const src = `
package p

func _() {
        use(f[*string])

// Copyright 2013 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.

// This file tests types2.Check by using it to
// typecheck the standard library and tests.

package types2_test

import (
	"bytes"
	"cmd/compile/internal/syntax"
	"errors"
	"fmt"
	"go/build"
	"internal/testenv"
	"os"
	"path/filepath"
	"runtime"
	"strings"
	"sync"

		base.Fatalf("len for OSTRINGHEADER must be non-negative")
	}

	return n
}

// tcStar typechecks an ODEREF node, which may be an expression or a type.
func tcStar(n *ir.StarExpr, top int) ir.Node {
	n.X = typecheck(n.X, ctxExpr|ctxType)
	l := n.X
	t := l.Type()
	if t == nil {
		n.SetType(nil)
		return n
	}

	for i, test := range testObjects {
		t.Run(fmt.Sprint(i), func(t *testing.T) {
			src := "package p; " + test.src
			conf := Config{Error: func(error) {}, Importer: defaultImporter(), EnableAlias: test.alias}
			pkg, err := typecheck(src, &conf, nil)
			if err != nil {
				t.Fatalf("%s: %s", src, err)
			}

			names := strings.Split(test.obj, ".")
			if len(names) != 1 && len(names) != 2 {

	for i, test := range testObjects {
		t.Run(fmt.Sprint(i), func(t *testing.T) {
			if test.alias {
				t.Setenv("GODEBUG", "gotypesalias=1")
			}

			src := "package p; " + test.src
			pkg, err := typecheck(src, nil, nil)
			if err != nil {
				t.Fatalf("%s: %s", src, err)
			}

			names := strings.Split(test.obj, ".")
			if len(names) != 1 && len(names) != 2 {

		source := common.NewTextSource(expr)
		for _, issue := range issues.Errors() {
			errorStrings = append(errorStrings, issue.ToDisplayString(source))
		}
		t.Fatalf("%v", errorStrings)
	}

	// Typecheck expression
	_, err = cel.AstToCheckedExpr(compiled)
	if err != nil {
		t.Fatalf("%v", err)
	}

	prog, err := env.Program(compiled)
	if err != nil {
		t.Fatalf("%v", err)
	}

    - exportloopref
    - depguard
    - gocritic
    - gofumpt
    - goimports
    - revive
    - gosimple
    - govet
    - ineffassign
    - lll
    - misspell
    - staticcheck
    - stylecheck
    - typecheck
    - unconvert
    - unparam
    - unused
    - gci
    - gosec
  fast: false
linters-settings:
  errcheck:
    # report about not checking of errors in type assertions: `a := b.(MyStruct)`;

	const src1 = `
package p
var _ T
`
	_, err := typecheck(src1, &conf, nil)
	if err == nil || !strings.HasSuffix(err.Error(), " [go.dev/e/UndeclaredName]") {
		t.Errorf("src1: unexpected error: got %v", err)
	}

	// test case for a multi-line error
	const src2 = `
package p
func f() int { return 0 }
var _ = f(1, 2)
`
	_, err = typecheck(src2, &conf, nil)