// the gcMarkDone barrier. However, since the barrier
		// ensured all reachable objects were marked, all of
		// these must be pointers to black objects. Hence we
		// can just discard the write barrier buffer.
		if debug.gccheckmark > 0 {
			// For debugging, flush the buffer and make
			// sure it really was all marked.
			wbBufFlush1(p)
		} else {
			p.wbBuf.reset()
		}

		gcw := &p.gcw

	//
	// If the "all" pattern is included as a root, then non-test packages in "all"
	// are also roots (and must be marked pkgIsRoot).
	pkgIsRoot

	// pkgFromRoot indicates that the package is in the transitive closure of
	// imports starting at the roots. (Note that every package marked as pkgIsRoot
	// is also trivially marked pkgFromRoot.)
	pkgFromRoot

	// pkgImportsLoaded indicates that the imports and testImports fields of a

		inUse := ha.pageInUse[arenaPage/8:]
		marked := ha.pageMarks[arenaPage/8:]
		if uintptr(len(inUse)) > n/8 {
			inUse = inUse[:n/8]
			marked = marked[:n/8]
		}

		// Scan this bitmap chunk for spans that are in-use
		// but have no marked objects on them.
		for i := range inUse {
			inUseUnmarked := atomic.Load8(&inUse[i]) &^ marked[i]
			if inUseUnmarked == 0 {
				continue
			}

			// transitive dependency graph to be sure that we see all relevant
			// dependencies. In addition, we must load the requirements of any module
			// that is explicitly marked as unpruned.
			nextPruning := summary.pruning
			if pruning == unpruned {
				nextPruning = unpruned
			}
			for _, r := range summary.require {

	ExpectProvisionFailureKey = "expect-provision-failure"
	// The node is marked as uncertain. The attach operation will fail and return timeout error
	// for the first attach call. The following call will return successfully.
	UncertainAttachNode = "uncertain-attach-node"
	// The detach operation will keep failing on the node.
	FailDetachNode = "fail-detach-node"
	// The node is marked as timeout. The attach operation will always fail and return timeout error

}

// setMarked sets the marked bit in the markbits, atomically.
func (m markBits) setMarked() {
	// Might be racing with other updates, so use atomic update always.
	// We used to be clever here and use a non-atomic update in certain
	// cases, but it's not worth the risk.
	atomic.Or8(m.bytep, m.mask)
}

// setMarkedNonAtomic sets the marked bit in the markbits, non-atomically.

	// The finalizer goroutine should not show up in most profiles, since it's
	// marked as a system goroutine when idle.
	t.Run("finalizer not present", func(t *testing.T) {
		var w strings.Builder
		goroutineProf.WriteTo(&w, 1)
		prof := w.String()
		if includesFinalizer(prof) {
			t.Errorf("profile includes finalizer (but finalizer should be marked as system):\n%s", prof)
		}
	})

	flag.BoolVar(&debug, "d", debug, "enable debugging of bootstrap process")
	flag.BoolVar(&distpack, "distpack", distpack, "write distribution files to pkg/distpack")
	flag.BoolVar(&force, "force", force, "build even if the port is marked as broken")
	flag.BoolVar(&noBanner, "no-banner", noBanner, "do not print banner")
	flag.BoolVar(&noClean, "no-clean", noClean, "print deprecation warning")

	xflagparse(0)

	if noClean {

        failureDescriptionContains("Reason: This property isn't marked as optional and no value has been configured.")
    }

    def "injection by name does not fail validation if service is not found but property marked as @Optional"() {
        given:
        serviceImplementation()
        buildFile """

)

// pssParameters reflects the parameters in an AlgorithmIdentifier that
// specifies RSA PSS. See RFC 3447, Appendix A.2.3.
type pssParameters struct {
	// The following three fields are not marked as
	// optional because the default values specify SHA-1,
	// which is no longer suitable for use in signatures.
	Hash         pkix.AlgorithmIdentifier `asn1:"explicit,tag:0"`