const runtime.sameSizeGrow

5 uses

	runtime (current package)
		map.go#L105: 	sameSizeGrow = 8 // the current map growth is to a new map of the same size
		map.go#L1027: 	h.flags &^= sameSizeGrow
		map.go#L1065: 		h.flags |= sameSizeGrow
		map.go#L1128: 	return h.flags&sameSizeGrow != 0
		map.go#L1303: 		h.flags &^= sameSizeGrow