srcPos += len(dd.hist)
		dstPos += copy(dd.hist[dstPos:endPos], dd.hist[srcPos:])
		srcPos = 0
	}

	// Copy possibly overlapping section before destination position.
	//
	// This section can overlap if the copy length for this section is larger
	// than the backwards distance. This is allowed by LZ77 so that repeated
	// strings can be succinctly represented using (dist, length) pairs.

	}
	// Mask matches maskString, should get result
	if err := ps.Subscribe(Mask(1|2), ch2, doneCh, func(entry Maskable) bool { return true }); err != nil {
		t.Fatalf("unexpected error: %v", err)
	}
	// Does NOT overlap maskString
	if err := ps.Subscribe(Mask(2), ch3, doneCh, func(entry Maskable) bool { return true }); err != nil {
		t.Fatalf("unexpected error: %v", err)
	}
	val := maskString("hello")
	ps.Publish(val)

	res[2] = (t1[2] & ^t2Mask) | (t2[2] & t2Mask)
	res[3] = (t1[3] & ^t2Mask) | (t2[3] & t2Mask)
}

// p256Sqrt sets e to a square root of x. If x is not a square, p256Sqrt returns
// false and e is unchanged. e and x can overlap.
func p256Sqrt(e, x *p256Element) (isSquare bool) {
	t0, t1 := new(p256Element), new(p256Element)

	// Since p = 3 mod 4, exponentiation by (p + 1) / 4 yields a square root candidate.
	//

					return &p.ProgHeader
				}
			}
		}
	}
	return nil
}

// ProgramHeadersForMapping returns the program segment headers that overlap
// the runtime mapping with file offset mapOff and memory size mapSz. We skip
// over segments zero file size because their file offset values are unreliable.

//
// It must be safe to call methods on a Reqs from multiple goroutines simultaneously.
// Because a Reqs may read the underlying graph from the network on demand,
// the MVS algorithms parallelize the traversal to overlap network delays.
type Reqs interface {
	// Required returns the module versions explicitly required by m itself.
	// The caller must not modify the returned list.
	Required(m module.Version) ([]module.Version, error)

	} else {
		s.counter = counter
		s.len = 0
	}
}

// XORKeyStream XORs each byte in the given slice with a byte from the
// cipher's key stream. Dst and src must overlap entirely or not at all.
//
// If len(dst) < len(src), XORKeyStream will panic. It is acceptable
// to pass a dst bigger than src, and in that case, XORKeyStream will

				case tset.comparable:
					check.errorf(tlist[i], InvalidUnion, "cannot use %s in union (%s embeds comparable)", t, t)
				}
				continue // terms with interface types are not subject to the no-overlap rule
			}

			// Report overlapping (non-disjoint) terms such as
			// a|a, a|~a, ~a|~a, and ~a|A (where under(A) == a).
			if j := overlappingTerm(terms[:i], t); j >= 0 {

						host: "test.com",
					},
					explicitNames: []string{"test.com"},
				},
			},
			expected: map[string]int{
				"test.com": 1,
			},
		},
		{
			// certs with partial overlap; ips are ignored
			certs: []namedtestCertSpec{
				{
					testCertSpec: testCertSpec{
						host:  "a",
						names: []string{"a.test.com", "test.com"},
					},
				},
				{

				case tset.comparable:
					check.errorf(tlist[i], InvalidUnion, "cannot use %s in union (%s embeds comparable)", t, t)
				}
				continue // terms with interface types are not subject to the no-overlap rule
			}

			// Report overlapping (non-disjoint) terms such as
			// a|a, a|~a, ~a|~a, and ~a|A (where under(A) == a).
			if j := overlappingTerm(terms[:i], t); j >= 0 {

   Dependency path ':test:unspecified' --> 'org:bar:1.0' (runtime) --> 'org:foo:{strictly 15}' because of the following reason: what not""")

    }

    void "should pass if strict version ranges overlap using external dependencies"() {
        given:
        repository {
            'org:foo' {
                '1.0'()
                '1.1'()
                '1.2'()
                '1.3'()
            }