}

// find reports the first index of p in l[0:n], or else -1.
func find(p string, l []string) int {
	for i, s := range l {
		if p == s {
			return i
		}
	}
	return -1
}

// xinit handles initialization of the various global state, like goroot and goarch.
func xinit() {
	b := os.Getenv("GOROOT")
	if b == "" {
		fatalf("$GOROOT must be set")
	}
	goroot = filepath.Clean(b)

		t.Fatal(err)
	}

	for ident, obj := range info.Defs {
		if obj == nil {
			// only package names and implicit vars have a nil object
			// (in this test we only need to handle the package name)
			if ident.Value != "p" {
				t.Errorf("%v has nil object", ident)
			}
			continue
		}

		// struct fields, type-associated and interface methods
		// have no parent scope

func (c *typeConv) badStructPointerTypedef(name string, dt *dwarf.StructType) bool {
	// Windows handle types can all potentially contain non-pointers.
	// badVoidPointerTypedef handles the "void *" HANDLE type, but other
	// handles are defined as
	//
	// struct <name>__{int unused;}; typedef struct <name>__ *name;
	//

		// can be set to zero.

		// This same problem can happen with gostrings since the final offset is not
		// known yet, but could be unaligned after the relocation is resolved.
		// So gostrings are handled the same way.

		// This allows the MOVDload and MOVWload to be generated in more cases and
		// eliminates some offset and alignment checking in the rules file.

variables are unchanged. A cached test result is treated as executing
in no time at all, so a successful package test result will be cached and
reused regardless of -timeout setting.

In addition to the build flags, the flags handled by 'go test' itself are:

	-args
	    Pass the remainder of the command line (everything after -args)
	    to the test binary, uninterpreted and unchanged.

	setSlot := func(slot SlotID, loc VarLoc) {
		changed = true
		state.changedVars.add(ID(state.slotVars[slot]))
		state.changedSlots.add(ID(slot))
		state.currentState.slots[slot] = loc
	}

	// Handle any register clobbering. Call operations, for example,
	// clobber all registers even though they don't explicitly write to
	// them.
	clobbers := uint64(opcodeTable[v.Op].reg.clobbers)
	for {
		if clobbers == 0 {

	// 'go get' no longer builds or installs packages, so there's nothing to do
	// if there's no go.mod file.
	// TODO(#40775): make modload.Init return ErrNoModRoot instead of exiting.
	// We could handle that here by printing a different message.
	modload.Init()
	if !modload.HasModRoot() {
		base.Fatalf("go: go.mod file not found in current directory or any parent directory.\n" +

	p.top = true
	p.file = file
	p.errh = errh
	p.mode = mode
	p.pragh = pragh
	p.scanner.init(
		r,
		// Error and directive handler for scanner.
		// Because the (line, col) positions passed to the
		// handler is always at or after the current reading
		// position, it is safe to use the most recent position
		// base to compute the corresponding Pos value.
		func(line, col uint, msg string) {

			}
			break
		}
		// Update operand types to the default type rather than the target
		// (interface) type: values must have concrete dynamic types.
		// Untyped nil was handled upfront.
		if !u.Empty() {
			return nil, nil, InvalidUntypedConversion // cannot assign untyped values to non-empty interfaces
		}
		return Default(x.typ), nil, 0 // default type for nil is nil
	default:

		return CMPeq

	case TMAP:
		if c := t.Key().cmp(x.Key()); c != CMPeq {
			return c
		}
		return t.Elem().cmp(x.Elem())

	case TPTR, TSLICE:
		// No special cases for these, they are handled
		// by the general code after the switch.

	case TSTRUCT:
		if t.StructType().Map == nil {
			if x.StructType().Map != nil {
				return CMPlt // nil < non-nil
			}
			// to the fallthrough