const runtime.tinySizeClass

3 uses

	runtime (current package)
		malloc.go#L115: 	tinySizeClass = _TinySizeClass
		malloc.go#L376: 	if gc.SizeClassToSize[tinySizeClass] != maxTinySize {
		mheap.go#L590: 	tinySpanClass  = spanClass(tinySizeClass<<1 | 1)