return P{1, 2, 3}
}

func _[P interface{ ~[]E }, E interface{ map[string]P } ]() P {
	x := P{}
	return P{{}}
	return P{E{}}
	return P{E{"foo": x}}
	return P{{"foo": x}, {}}
}

// This is a degenerate case with a singleton type set, but we can create
// composite literals even if the core type is a defined type.
type MyInts []int

func _[P MyInts]() P {
	return P{}

	}
	pv.cur = pv.sel()
	return pv.cur
}

// sel is a helper function used by 'init' and 'nxt' above; it selects
// the earlier of the two intervals at the current positions within i1
// and i2, or a degenerate (pairIndex -1) intWithIdx if we have no
// more intervals to visit.
func (pv *pairVisitor) sel() intWithIdx {
	var c1, c2 intWithIdx
	if pv.i1pos >= len(pv.i1) {
		c1.pairIndex = -1
	} else {

    }
  }

  public void testCartesianProduct_hashCode() {
    // Run through the same cartesian products we tested above

    Set<List<Integer>> degenerate = Sets.cartesianProduct();
    checkHashCode(degenerate);

    checkHashCode(Sets.cartesianProduct(set(1, 2)));

    int num = Integer.MAX_VALUE / 3 * 2; // tickle overflow-related problems

    }
  }

  public void testCartesianProduct_hashCode() {
    // Run through the same cartesian products we tested above

    Set<List<Integer>> degenerate = Sets.cartesianProduct();
    checkHashCode(degenerate);

    checkHashCode(Sets.cartesianProduct(set(1, 2)));

    int num = Integer.MAX_VALUE / 3 * 2; // tickle overflow-related problems

//
//	b.Succs = [{c,3}, {d,1}]
//	c.Preds = [?, ?, ?, {b,0}]
//	d.Preds = [?, {b,1}, ?]
//
// These indexes allow us to edit the CFG in constant time.
// In addition, it informs phi ops in degenerate cases like:
//
//	b:
//	   if k then c else c
//	c:
//	   v = Phi(x, y)
//
// Then the indexes tell you whether x is chosen from
// the if or else branch from b.
//
//	b.Succs = [{c,0},{c,1}]

	maxcmp := size * lg(size) * 4 // the factor 4 was found by trial and error
	d := newAdversaryTestingData(t, size, maxcmp)
	Sort(d) // This should degenerate to heapsort.
	// Check data is fully populated and sorted.
	for i, v := range d.data {
		if v != i {
			t.Fatalf("adversary data not fully sorted")
		}
	}
}

func TestStableInts(t *testing.T) {

      cluster.operations.emplace_back(op);
  }

  llvm::SmallVector<Cluster> clusters;
  for (auto &kv : root_clusters) {
    Cluster &cluster = kv.getSecond();
    // Skip degenerate clusters formed by a single basic block argument.
    if (!cluster.operations.empty()) clusters.emplace_back(std::move(cluster));
  }

  LLVM_DEBUG(llvm::dbgs() << "Found " << clusters.size() << " clusters\n");

		if !isNamedRegParam(inp) {
			// will be sorted out elsewhere
			continue
		}

		sl := rval.Slots[pidx]
		n := rval.Vars[pidx]

		if afterPrologVal == ID(-1) {
			// This can happen for degenerate functions with infinite
			// loops such as that in issue 45948. In such cases, leave
			// the var/slot set up for the param, but don't try to
			// emit a location list.
			if loggingEnabled {

		// from entry to b passes through p and p.Succs[0]. We care that
		// no path from entry to b passes through p.Succs[1]. If p.Succs[0]
		// has one predecessor then (apart from the degenerate case),
		// there is no path from entry that can reach b through p.Succs[1].
		// TODO: how about p->yes->b->yes, i.e. a loop in yes.
		if sdom.IsAncestorEq(p.Succs[0].b, b) && len(p.Succs[0].b.Preds) == 1 {