panic("bad 32->16 conversion")
		}
		y = append(y, uint16(v))
	}
	return y
}

func main() {
	flag.Parse()

	rang, except := scan(0, 0xFFFF)
	range16 = to16(rang)
	except16 = to16(except)
	range32, except32 = scan(0x10000, unicode.MaxRune)

	for i := rune(0); i <= unicode.MaxRune; i++ {
		if isPrint(i) != unicode.IsPrint(i) {

	const batchSize = 64 // ~1–2 µs per span.
	lock(&work.wbufSpans.lock)
	if gcphase != _GCoff || work.wbufSpans.free.isEmpty() {
		unlock(&work.wbufSpans.lock)
		return false
	}
	systemstack(func() {
		gp := getg().m.curg
		for i := 0; i < batchSize && !(preemptible && gp.preempt); i++ {
			span := work.wbufSpans.free.first
			if span == nil {
				break
			}
			work.wbufSpans.free.remove(span)

		rzSize := computeRZlog(span.elemsize)
		span.elemsize -= rzSize
		span.largeType.Size_ = span.elemsize
		rzStart := span.base() + span.elemsize
		span.userArenaChunkFree = makeAddrRange(span.base(), rzStart)
		asanpoison(unsafe.Pointer(rzStart), span.limit-rzStart)
		asanunpoison(unsafe.Pointer(span.base()), span.elemsize)
	}

	if rate := MemProfileRate; rate > 0 {
		c := getMCache(mp)
		if c == nil {

		t.pExt = uint16(p)
		p += appendTokens(buf[p:], b.extensions...)
		t.str = string(buf[:p])
		// We may not always need to remake the string, but when or when not
		// to do so is rather tricky.
		scan := makeScanner(buf[:p])
		t, _ = parse(&scan, "")
		return t

	} else if b.private != "" {
		t.str = b.private
		t.RemakeString()
	}
	return t
}

// SetTag copies all the settings from a given Tag. Any previously set values

			continue
		}
		obj, span, objIndex := findObject(ptr, 0, 0)
		if obj == 0 {
			continue
		}
		// TODO: Consider making two passes where the first
		// just prefetches the mark bits.
		mbits := span.markBitsForIndex(objIndex)
		if mbits.isMarked() {
			continue
		}
		mbits.setMarked()

		// Mark span.
		arena, pageIdx, pageMask := pageIndexOf(span.base())

	if rgot != rwant {
		t.Errorf("testcase %q: Results mismatch for %q: got:\n%swant:\n%s",
			tc, dfn, rgot, rwant)
	}
	// Compare receiver + params.
	pgot := propBitsToString[ParamPropBits](dfp.ParamFlags)
	pwant := propBitsToString[ParamPropBits](efp.ParamFlags)
	if pgot != pwant {
		t.Errorf("testcase %q: Params mismatch for %q: got:\n%swant:\n%s",
			tc, dfn, pgot, pwant)
	}
	// Compare call sites.

John Howard <******@****.***> 1662658353 -0700

	// excludes these objects (and hence only goes up between GCs).
	//
	// To reduce contention, this is updated only when obtaining a span
	// from an mcentral and at this point it counts all of the unallocated
	// slots in that span (which will be allocated before that mcache
	// obtains another span from that mcentral). Hence, it slightly
	// overestimates the "true" live heap size. It's better to overestimate

	}
	return tp
}

// objBase returns the base pointer for the object containing addr in span.
//
// Assumes that addr points into a valid part of span (span.base() <= addr < span.limit).
//
//go:nosplit
func (span *mspan) objBase(addr uintptr) uintptr {
	return span.base() + span.objIndex(addr)*span.elemsize
}

// bulkBarrierPreWrite executes a write barrier

	// to go so release the span.
	atomic.Store(&s.sweepgen, sweepgen)

	if s.isUserArenaChunk {
		if preserve {
			// This is a case that should never be handled by a sweeper that
			// preserves the span for reuse.
			throw("sweep: tried to preserve a user arena span")
		}
		if nalloc > 0 {
			// There still exist pointers into the span or the span hasn't been