// Comment assignment.
// We build two lists of all subexpressions, preorder and postorder.
// The preorder list is ordered by start location, with outer expressions first.
// The postorder list is ordered by end location, with outer expressions last.
// We use the preorder list to assign each whole-line comment to the syntax
// immediately following it, and we use the postorder list to assign each
// end-of-line comment to the syntax immediately preceding it.

	}
	f.fe.Fatalf(f.Entry.Pos, msg, args...)
}

// postorder returns the reachable blocks in f in a postorder traversal.
func (f *Func) postorder() []*Block {
	if f.cachedPostorder == nil {
		f.cachedPostorder = postorder(f)
	}
	return f.cachedPostorder
}

func (f *Func) Postorder() []*Block {
	return f.postorder()
}

				}
			}
		}
	}

	// Check loop construction
	if f.RegAlloc == nil && f.pass != nil { // non-nil pass allows better-targeted debug printing
		ln := f.loopnest()
		if !ln.hasIrreducible {
			po := f.postorder() // use po to avoid unreachable blocks.
			for _, b := range po {
				for _, s := range b.Succs {
					bb := s.Block()
					if ln.b2l[b.ID] == nil && ln.b2l[bb.ID] != nil && bb != ln.b2l[bb.ID].header {

	// frees within the loop.
	nvars := int32(len(lv.vars))
	newlivein := bitvec.New(nvars)
	newliveout := bitvec.New(nvars)

	// Walk blocks in postorder ordering. This improves convergence.
	po := lv.f.Postorder()

	// Iterate through the blocks in reverse round-robin fashion. A work
	// queue might be slightly faster. As is, the number of iterations is

		if err != io.EOF {
			log.Fatalf("reading input: %v", err)
		}
		return -1
	}
	return int(c)
}

type markKind uint8 // for postorder traversal
const (
	_ markKind = iota
	visiting
	visited
)

func postorder(libs []*sym.Library) []*sym.Library {
	order := make([]*sym.Library, 0, len(libs)) // hold the result
	mark := make(map[*sym.Library]markKind, len(libs))

func (state *debugState) liveness() []*BlockDebug {
	blockLocs := make([]*BlockDebug, state.f.NumBlocks())
	counterTime := int32(1)

	// Reverse postorder: visit a block after as many as possible of its
	// predecessors have been visited.
	po := state.f.Postorder()
	converged := false

	// The iteration rule is that by default, run until converged, but
	// if a particular iteration count is specified, run that many

}

type nflag int

func (nflag) IsBoolFlag() bool {
	return true
}

func (nflag) Set(value string) error {
	if value == "true" {
		*sortOrder = "address"
	}
	return nil
}

func (nflag) String() string {
	if *sortOrder == "address" {
		return "true"
	}
	return "false"
}

func main() {
	log.SetFlags(0)
	telemetry.Start()
	flag.Usage = usage
	flag.Parse()
	telemetry.Inc("nm/invocations")

        mutationValidator.validateMutation(STRATEGY);
        dependencyLockingEnabled = false;
        return this;
    }


    @Override
    public void sortArtifacts(SortOrder sortOrder) {
        this.sortOrder = sortOrder;
    }

    @Override
    public ResolutionStrategy capabilitiesResolution(Action<? super CapabilitiesResolution> action) {
        action.execute(capabilitiesResolution);

     */
    ImmutableAttributes getAttributes();

    /**
     * Get the default artifact sort order for this resolution.
     */
    ResolutionStrategy.SortOrder getDefaultSortOrder();

    /**
     * Get the raw results of the resolution. The returned results are lazy. Calling
     * this method will not perform resolution.
     */

                + ", numOfThread=" + numOfThread + ", permissions=" + Arrays.toString(permissions) + ", sortOrder=" + sortOrder
                + ", updatedBy=" + updatedBy + ", updatedTime=" + updatedTime + ", urls=" + urls + ", userAgent=" + userAgent + "]";
    }