const runtime.sameSizeGrow

5 uses

	runtime (current package)
		map.go#L104: 	sameSizeGrow = 8 // the current map growth is to a new map of the same size
		map.go#L1008: 	h.flags &^= sameSizeGrow
		map.go#L1046: 		h.flags |= sameSizeGrow
		map.go#L1109: 	return h.flags&sameSizeGrow != 0
		map.go#L1284: 		h.flags &^= sameSizeGrow