generated by running a "go build -cover" binary.
		Requires that GOEXPERIMENT=coverageredesign is enabled.

Special-purpose environment variables:

	GCCGOTOOLDIR
		If set, where to find gccgo tools, such as cgo.
		The default is based on how gccgo was configured.
	GOEXPERIMENT
		Comma-separated list of toolchain experiments to enable or disable.

		cmd := testenv.Command(t, testenv.GoToolPath(t), "run")
		if race.Enabled {
			cmd.Args = append(cmd.Args, "-race")
		}
		cmd.Args = append(cmd.Args, testPath)
		cmd.Env = append(os.Environ(), "GOEXPERIMENT=rangefunc")
		// Add a stack ownership check. This is cheap enough for testing.
		godebug := "tracecheckstackownership=1"
		if stress {
			// Advance a generation constantly to stress the tracer.

						} else if v.atomic != nil {
							v.atomic.Store(n)
						}
					}
				}
			}
		}
	}

	if debug.cgocheck > 1 {
		throw("cgocheck > 1 mode is no longer supported at runtime. Use GOEXPERIMENT=cgocheck2 at build time instead.")
	}
}

//go:linkname setTraceback runtime/debug.SetTraceback
func setTraceback(level string) {
	var t uint32
	switch level {
	case "none":
		t = 0

// errorcheckwithauto -0 -l -live -wb=0 -d=ssa/insert_resched_checks/off

//go:build !ppc64 && !ppc64le && !goexperiment.regabiargs

// ppc64 needs a better tighten pass to make f18 pass
// rescheduling checks need to be turned off because there are some live variables across the inserted check call
//
// For register ABI, liveness info changes slightly. See live_regabi.go.

// Copyright 2014 The Go Authors. All rights reserved.

	// assist by pre-paying for this many bytes of future allocations.
	gcOverAssistWork = 64 << 10

	// defaultHeapMinimum is the value of heapMinimum for GOGC==100.
	defaultHeapMinimum = (goexperiment.HeapMinimum512KiBInt)*(512<<10) +
		(1-goexperiment.HeapMinimum512KiBInt)*(4<<20)

	// maxStackScanSlack is the bytes of stack space allocated or freed
	// that can accumulate on a P before updating gcController.stackSize.

	}

	testenv.MustHaveGoBuild(t)

	testfiles := map[string][]string{
		"exports.go":  {"go/ast", "go/token"},
		"generics.go": nil,
	}
	if true /* was goexperiment.Unified */ {
		// TODO(mdempsky): Fix test below to flatten the transitive
		// Package.Imports graph. Unified IR is more precise about
		// recreating the package import graph.

	}
	if ctxt.GOOS == "ios" && name == "darwin" {
		return true
	}
	if name == "unix" && unixOS[ctxt.GOOS] {
		return true
	}
	if name == "boringcrypto" {
		name = "goexperiment.boringcrypto" // boringcrypto is an old name for goexperiment.boringcrypto
	}

	// other tags
	for _, tag := range ctxt.BuildTags {
		if tag == name {
			return true
		}
	}
	for _, tag := range ctxt.ToolTags {

// Copyright 2021 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.

//go:build goexperiment.regabiargs

package reflect_test

import (
	"internal/abi"
	"math"
	"math/rand"
	"reflect"
	"runtime"
	"testing"
	"testing/quick"
)

// As of early May 2021 this is no longer necessary for amd64,

// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.

package runtime_test

import (
	"bytes"
	"fmt"
	"internal/abi"
	"internal/goexperiment"
	"internal/profile"
	"internal/testenv"
	"os"
	"reflect"
	"runtime"
	"runtime/debug"
	"runtime/metrics"
	"runtime/pprof"
	"runtime/trace"
	"slices"
	"sort"
	"strings"
	"sync"

			if tparam0 != nil {
				if !versionErr && !buildcfg.Experiment.AliasTypeParams {
					check.error(tdecl, UnsupportedFeature, "generic type alias requires GOEXPERIMENT=aliastypeparams")
					versionErr = true
				}
				check.openScope(tdecl, "type parameters")
				defer check.closeScope()
				check.collectTypeParams(&alias.tparams, tdecl.TParamList)
			}