v3(),
                (oldV, newV) -> {
                  assertEquals(v0(), oldV);
                  assertEquals(v3(), newV);
                  return null;
                }));
    expectMissing(e0());
  }

  public void testMergeNullValue() {
    try {
      getMap()
          .merge(
              k0(),
              null,
              (oldV, newV) -> {

                                    : edge.getTarget().getMd().getError());
                    MetadataGraphVertex newV = res.addVertex(newMd);
                    MetadataGraphVertex sourceV = res.addVertex(edge.getSource().getMd());

                    res.addEdge(sourceV, newV, edge);
                }
            }

	for i := 0; i < n; i++ {
		cval = cval + 100
		ch := new(Chan)
		ch.sc = make(chan int, c)
		ch.rc = ch.sc
		ch.sv = cval
		ch.rv = cval
		ca[i] = ch
	}
	return ca
}

func expect(v, v0 int) (newv int) {
	if v == v0 {
		if v%100 == 75 {
			return end
		}
		return v + 1
	}
	print("got ", v, " expected ", v0+1, "\n")
	panic("fail")
}

func (c *Chan) send() bool {
	//	print("send ", c.sv, "\n");

					// the go.mod file.)
					newV.Path = filepath.Join(rootDirs[i], newV.Path)
				}
				if prev, ok := replacements[r.Old]; ok && !curModuleReplaces[r.Old] && prev != newV {
					base.Fatalf("go: conflicting replacements for %v:\n\t%v\n\t%v\nuse \"go work edit -replace %v=[override]\" to resolve", r.Old, prev, newV, r.Old)
				}
				curModuleReplaces[r.Old] = true

	return u.s
}

type V struct {
	s *string
}

func NewV(u U) *V { // ERROR "leaking param: u$"
	return &V{u.String()} // ERROR "&V{...} escapes to heap$"
}

func foo152() {
	a := "a" // ERROR "moved to heap: a$"
	u := U{&a}
	v := NewV(u)
	println(v)
}

// issue 8176 - &x in type switch body not marked as escaping

	return u.s
}

type V struct {
	s *string
}

func NewV(u U) *V { // ERROR "leaking param: u$"
	return &V{u.String()} // ERROR "&V{...} escapes to heap$"
}

func foo152() {
	a := "a" // ERROR "moved to heap: a$"
	u := U{&a}
	v := NewV(u)
	println(v)
}

// issue 8176 - &x in type switch body not marked as escaping

		var res []interface{}
		if typedV != nil {
			// Make sure res is non-nil if patch is non-nil
			res = []interface{}{}
		}
		for _, v := range typedV {
			if newV, keep := removeDirectives(v); keep {
				res = append(res, newV)
			}
		}
		return res, true
	} else {
		return obj, true
	}
}

// Merge fields from a patch map into the original map. Note: This may modify