"go/ast"
	"go/importer"
	"go/parser"
	"go/token"
	"internal/goversion"
	"internal/testenv"
	"reflect"
	"regexp"
	"slices"
	"strings"
	"sync"
	"testing"

	. "go/types"
)

// nopos indicates an unknown position
var nopos token.Pos

func mustParse(fset *token.FileSet, src string) *ast.File {
	f, err := parser.ParseFile(fset, pkgName(src), src, parser.ParseComments)
	if err != nil {

	// configurations of the same test package(s). If set and omitVariant is false,
	// the Package field in test2json output is rewritten to pkg:variant.
	variant string
	// omitVariant indicates that variant is used solely for the dist test name and
	// that the set of test names run by each variant (including empty) of a package
	// is non-overlapping.
	omitVariant bool

	if wp := f.waitingPods.get(uid); wp != nil {
		return wp
	}
	return nil // Returning nil instead of *waitingPod(nil).
}

// RejectWaitingPod rejects a WaitingPod given its UID.
// The returned value indicates if the given pod is waiting or not.
func (f *frameworkImpl) RejectWaitingPod(uid types.UID) bool {
	if waitingPod := f.waitingPods.get(uid); waitingPod != nil {
		waitingPod.Reject("", "removed")
		return true
	}

var goroutineProfile = struct {
	sema    uint32
	active  bool
	offset  atomic.Int64
	records []profilerecord.StackRecord
	labels  []unsafe.Pointer
}{
	sema: 1,
}

// goroutineProfileState indicates the status of a goroutine's stack for the
// current in-progress goroutine profile. Goroutines' stacks are initially
// "Absent" from the profile, and end up "Satisfied" by the time the profile is

	)

	// loadOne synchronously loads the explicit requirements for module m.
	// It does not load the transitive requirements of m even if the go version in
	// m's go.mod file indicates that it supports graph pruning.
	loadOne := func(m module.Version) (*modFileSummary, error) {
		return mg.loadCache.Do(m, func() (*modFileSummary, error) {
			summary, err := goModSummary(m)

			mu.Lock()

// [PL] It seems to me that this block of content should really be in a more generic part
//      of the user manual as it discusses techniques that apply outside of the Kotlin DSL.
//      In fact, it indicates missing content that this chapter should be able to link to.
//

// optionally followed by a comma. If strict is set to false,
// the first element may also be a (non-type) expression.
// If there is more than one argument, the result is a *ListExpr.
// The comma result indicates whether there was a (separating or
// trailing) comma.
//
// typeList = arg { "," arg } [ "," ] .
func (p *parser) typeList(strict bool) (x Expr, comma bool) {
	if trace {
		defer p.trace("typeList")()

		p.To.Reg = v.Args[0].Reg()

	case ssa.OpPPC64ISEL, ssa.OpPPC64ISELZ:
		// ISEL  AuxInt ? arg0 : arg1
		// ISELZ is a special case of ISEL where arg1 is implicitly $0.
		//
		// AuxInt value indicates conditions 0=LT 1=GT 2=EQ 3=SO 4=GE 5=LE 6=NE 7=NSO.
		// ISEL accepts a CR bit argument, not a condition as expressed by AuxInt.
		// Convert the condition to a CR bit argument by the following conversion:
		//

			return nil, err
		}
	}

	// Configure IPVS timeouts if any one of the timeout parameters have been set.
	// This is the equivalent to running ipvsadm --set, a value of 0 indicates the
	// current system timeout should be preserved
	if tcpTimeout > 0 || tcpFinTimeout > 0 || udpTimeout > 0 {
		if err := ipvs.ConfigureTimeouts(tcpTimeout, tcpFinTimeout, udpTimeout); err != nil {

        && isInlinableMemmove(dst, src, sz, config)
        && clobber(call)
        => (Move [sz] dst src mem)

// Prefetch instructions (TH specified using aux field)
// For DCBT Ra,Rb,TH, A value of TH indicates:
//     0, hint this cache line will be used soon. (PrefetchCache)
//     16, hint this cache line will not be used for long. (PrefetchCacheStreamed)