// so a GC is blocked from starting. We might race with sweeping, which could
	// put it on the "wrong" sweep list, but really don't care because the chunk is
	// treated as a large object span and there's no meaningful difference between scan
	// and noscan large objects in the sweeper. The STW at the start of the GC acts as a
	// barrier for this update.
	s.spanclass = makeSpanClass(0, true)

// signal handler can't tell if it was caused by the real process
// alarm or not (arguably this means the signal is broken, but I
// digress). SIGUSR1 and SIGUSR2 are also bad because those are often
// used in meaningful ways by applications.
//
// 4. We need to deal with platforms without real-time signals (like
// macOS), so those are out.
//
// We use SIGURG because it meets all of these criteria, is extremely

            }

            @Override
            String toString() {
                return name
            }
        }
    }

    def "has meaningful toString for #valueDescription"(Closure<MapProperty<String, String>> initializer, String stringValue) {
        given:
        def p = initializer.call()

        expect:
        p.toString() == stringValue

	return blockTime
}

// See issue #60276.
func TestCPUMetricsSleep(t *testing.T) {
	if runtime.GOOS == "wasip1" {
		// Since wasip1 busy-waits in the scheduler, there's no meaningful idle
		// time. This is accurately reflected in the metrics, but it means this
		// test is basically meaningless on this platform.
		t.Skip("wasip1 currently busy-waits in idle time; test not applicable")
	}

	fs.StringVar(&o.config.ShowHiddenMetricsForVersion, "show-hidden-metrics-for-version", o.config.ShowHiddenMetricsForVersion,
		"The previous version for which you want to show hidden metrics. "+
			"Only the previous minor version is meaningful, other values will not be allowed. "+
			"The format is <major>.<minor>, e.g.: '1.16'. "+
			"The purpose of this format is make sure you have the opportunity to notice if the next release hides additional metrics, "+

// Later replace directives take priority.
//
// require directives are not de-duplicated. That's left up to higher-level
// logic (MVS).
//
// retract directives are not de-duplicated since comments are
// meaningful, and versions may be retracted multiple times.
func (f *File) removeDups() {
	removeDups(f.Syntax, &f.Exclude, &f.Replace)
}

func removeDups(syntax *FileSyntax, exclude *[]*Exclude, replace *[]*Replace) {

	// Indicates that the object is a member of a group.
	DF_1_GROUP DynFlag1 = 0x00000004
	// Indicates that the object cannot be deleted from a process.
	DF_1_NODELETE DynFlag1 = 0x00000008
	// Meaningful only for filters. Indicates that all associated filtees be
	// processed immediately.
	DF_1_LOADFLTR DynFlag1 = 0x00000010
	// Indicates that this object's initialization section be run before any other

			continue
		}
		// ... except unsafe.Pointer...
		if name, _ := die.Val(intdwarf.DW_AT_name).(string); name == "unsafe.Pointer" {
			continue
		}
		typesChecked++
		// ... we want to see a meaningful DW_AT_go_kind value.
		if val, ok := die.Val(intdwarf.DW_AT_go_kind).(int64); !ok || val == 0 {
			failures++
			// dump DIEs for first 10 failures.
			if failures <= 10 {
				idx := ex.IdxFromOffset(die.Offset)

	// because c was closed.
	success bool

	// waiters is a count of semaRoot waiting list other than head of list,
	// clamped to a uint16 to fit in unused space.
	// Only meaningful at the head of the list.
	// (If we wanted to be overly clever, we could store a high 16 bits
	// in the second entry in the list.)
	waiters uint16

	parent   *sudog // semaRoot binary tree

			// parts of a fraction for floating-point numbers that are
			// represented accurately in the go/constant package.
			// Constant literals that are longer than this many bits
			// are not meaningful; and excessively long constants may
			// consume a lot of space and time for a useless conversion.
			// Cap constant length with a generous upper limit that also
			// allows for separators between all digits.