return mark(entry, err, &errors, clear)
	}
	// Expect no errors.
	err = WalkDir(fsys, ".", markFn)
	if err != nil {
		t.Fatalf("no error expected, found: %s", err)
	}
	if len(errors) != 0 {
		t.Fatalf("unexpected errors: %s", errors)
	}
	walkTree(tree, tree.name, func(path string, n *Node) {
		if n.mark != 1 {
			t.Errorf("node %s mark = %d; expected 1", path, n.mark)
		}

			for i := 0; i < relocs.Count(); i++ {
				d.mark(relocs.At(i).Sym(), 0)
			}
		}
	}

	if d.ctxt.Debugvlog > 1 {
		d.ctxt.Logf("deadcode start names: %v\n", names)
	}

	for _, name := range names {
		// Mark symbol as a data/ABI0 symbol.
		d.mark(d.ldr.Lookup(name, 0), 0)
		if abiInternalVer != 0 {
			// Also mark any Go functions (internal ABI).
			d.mark(d.ldr.Lookup(name, abiInternalVer), 0)
		}
	}

				// jump to the stack.
				p.Mark |= SYNC
			} else {
				p.Mark |= BRANCH
			}
			q1 := p.To.Target()
			if q1 != nil {
				for q1.As == obj.ANOP {
					q1 = q1.Link
					p.To.SetTarget(q1)
				}

				if q1.Mark&LEAF == 0 {
					q1.Mark |= LABEL
				}
			}
			//else {
			//	p.Mark |= LABEL
			//}
			q1 = p.Link
			if q1 != nil {

    /**
     * Marking strategy that does not mark the cache directory.
     */
    MarkingStrategy NONE = new NoMarkingStrategy();

    /**
     * Try to mark the given cache directory. If an I/O error occurs, this method should not throw an error,
     * but instead log the error at an appropriate level, and return.
     *
     * @param file the cache directory to mark
     */
    void tryMarkCacheDirectory(File file);

	// happened.
	//
	// startSema protects the transition from "off" to mark or
	// mark termination.
	startSema uint32
	// markDoneSema protects transitions from mark to mark termination.
	markDoneSema uint32

	bgMarkDone uint32 // cas to 1 when at a background mark completion point
	// Background mark completion signaling

	// mode is the concurrency mode of the current GC cycle.
	mode gcMode

		// save packet mark set by envoy.filters.listener.original_src as connection mark
		cfg.ruleBuilder.AppendRule(iptableslog.UndefinedCommand, constants.PREROUTING, constants.MANGLE,
			"-p", constants.TCP, "-m", "mark", "--mark", cfg.cfg.InboundTProxyMark, "-j", "CONNMARK", "--save-mark")
		// If the packet is already marked with 1337, then return. This is to prevent mark envoy --> app traffic again.

	return n
}

// addIdleMarkWorker attempts to add a new idle mark worker.
//
// If this returns true, the caller must become an idle mark worker unless
// there's no background mark worker goroutines in the pool. This case is
// harmless because there are already background mark workers running.
// If this returns false, the caller must NOT become an idle mark worker.
//
// nosplit because it may be called without a P.
//

		n := normalize(parts[2])
		mark_matches := marker.FindStringSubmatch(n)
		if mark_matches != nil {
			mark, _ = strconv.Atoi(mark_matches[1])
			if _, ok := td.marker_to_input[mark]; !ok {
				t.Fatalf("unexpected marker %d", mark)
			}
		} else if mark != -1 {
			td.marker_to_output[mark] = append(td.marker_to_output[mark], n)
		}
	}
}

func TestDynlink(t *testing.T) {
	testenv.MustHaveGoBuild(t)

			n = paren
		}

		return n
	}
	ir.EditChildren(fn, mark)

	// Edit until stable.
	for {
		done := true

		for i := 0; i < len(parens); i++ { // can't use "range parens" here
			paren := parens[i]
			if new := edit(paren.X); new != nil {
				// Update AST and recursively mark nodes.
				paren.X = new
				ir.EditChildren(new, mark) // mark may append to parens
				done = false
			}
		}

        private static final int MARK = 10000;
        private static final String DOCTYPE = "<!DOCTYPE project SYSTEM \"m2-entities.ent\">\n";

        private int count;
        private byte[] prefix = DOCTYPE.getBytes();

        public AddDTDFilterInputStream(InputStream in) throws IOException {
            super(new BufferedInputStream(in));

            this.in.mark(MARK);