// This is a serious bug - an object is live (due to the KeepAlive
		// call below), but isn't reported as such.
		t.Fatalf("live object not in reachable set; want %b, got %b", want, got)
	}
	if bits.OnesCount64(got&^want) > 1 {
		// Note: we can occasionally have a value that is retained even though
		// it isn't live, due to conservative scanning of stack frames.
		// See issue 67204. For now, we allow a "slop" of 1 unintentionally

			// Merge results.
			s.startBlock(bEnd)
			return s.variable(n, types.Types[types.TINT])
		}
	}
	addF("math/bits", "OnesCount64",
		makeOnesCountAMD64(ssa.OpPopCount64),
		sys.AMD64)
	addF("math/bits", "OnesCount64",
		func(s *state, n *ir.CallExpr, args []*ssa.Value) *ssa.Value {
			return s.newValue1(ssa.OpPopCount64, types.Types[types.TINT], args[0])
		},