const runtime.tinySpanClass

4 uses

	runtime (current package)
		malloc.go#L1057: 			span = c.alloc[tinySpanClass]
		malloc.go#L1060: 				v, span, shouldhelpgc = c.nextFree(tinySpanClass)
		mcache.go#L181: 	if spc == tinySpanClass {
		mheap.go#L532: 	tinySpanClass  = spanClass(tinySizeClass<<1 | 1)