c := make(chan *[70]int, 2)
	c <- nil
	c <- new([70]int)
	return c
}()

func main() {
	if n1 != 10 || n2 != 20 || n3 != 30 || n4 != 40 || n5 != 50 || n6 != 60 || n7 != 70 {
		println("BUG:", n1, n2, n3, n4, n5, n6, n7)
		panic("fail")
	}
	if !calledF {
		println("BUG: did not call f")
		panic("fail")
	}
	if <-c == nil {
		println("BUG: did not receive from c")
		panic("fail")
	}

          <y:Shape type="roundrectangle"/>
        </y:ShapeNode>
      </data>
    </node>
    <node id="n7">
      <data key="d6">
        <y:ShapeNode>
          <y:Geometry height="30.0" width="140.0" x="0.0" y="56.68181818181817"/>
          <y:Fill color="#C3D9E6" transparent="false"/>

	n2 = len(m[""])
	n3 = len(s[10])

	n4 = len(f())  // ERROR "is not a constant|is not constant"
	n5 = len(<-c) // ERROR "is not a constant|is not constant"

	n6 = cap(f())  // ERROR "is not a constant|is not constant"
	n7 = cap(<-c) // ERROR "is not a constant|is not constant"
	n8 = real(z) // ERROR "is not a constant|is not constant"
	n9 = len([4]float64{real(z)}) // ERROR "is not a constant|is not constant"

          <y:Shape type="roundrectangle"/>
        </y:ShapeNode>
      </data>
    </node>
    <node id="n7">
      <data key="d6">
        <y:ShapeNode>
          <y:Geometry height="30.0" width="140.0" x="0.0" y="56.68181818181817"/>
          <y:Fill color="#C3D9E6" transparent="false"/>

//
//	n0  -
//	n1  a-
//	n2  .x+
//	n3  .y+
//	n4  b-
//	n5  .cbc+
//	n6  x+
//	n7  .y+
//
// n0 is the root node, and its children are n1, n4 and n6; n1's children are
// n2 and n3; n4's child is n5; n6's child is n7. Nodes n0, n1 and n4 (marked
// with a trailing "-") are partial keys, and nodes n2, n3, n5, n6 and n7
// (marked with a trailing "+") are complete keys.
type trieNode struct {

func assemble64(n1, n2, n3, n4, n5, n6, n7, n8 byte) (dn uint64, ok bool) {
	// Check that all the digits are valid. If any of them was 0xff, their
	// bitwise OR will be 0xff.
	if n1|n2|n3|n4|n5|n6|n7|n8 == 0xff {
		return 0, false
	}
	return uint64(n1)<<58 |
			uint64(n2)<<52 |
			uint64(n3)<<46 |
			uint64(n4)<<40 |
			uint64(n5)<<34 |
			uint64(n6)<<28 |
			uint64(n7)<<22 |
			uint64(n8)<<16,
		true
}

000002d0  2c 2e 84 6a d7 bc b7 53  74 8b 1b ef a8 bc 39 d8  |,..j...St.....9.|
000002e0  e0 75 29 6b 1d 89 c3 12  c2 3c 51 25 84 02 42 01  |.u)k.....<Q%..B.|
000002f0  4e 37 c9 2d 59 48 df 15  33 45 dc 4d e9 46 78 8e  |N7.-YH..3E.M.Fx.|
00000300  cc 1e ef c4 2b ea c8 bc  a1 2e 58 18 60 a2 98 5a  |....+.....X.`..Z|
00000310  cf 95 0d 18 6a f7 67 cb  6d a4 4a 5b 0d f1 ee 5e  |....j.g.m.J[...^|

            </y:ModelParameter>
          </y:NodeLabel>
          <y:Shape type="roundrectangle"/>
        </y:ShapeNode>
      </data>
    </node>
    <node id="n7">
      <data key="d5"/>
      <data key="d6">
        <y:ShapeNode>
          <y:Geometry height="30.0" width="172.0" x="280.0" y="132.0"/>
          <y:Fill color="#FF99CC" transparent="false"/>

          <y:Shape type="roundrectangle"/>
        </y:ShapeNode>
      </data>
    </node>
    <node id="n7">
      <data key="d6">
        <y:ShapeNode>
          <y:Geometry height="30.0" width="140.0" x="0.0" y="268.5"/>
          <y:Fill color="#C3D9E6" transparent="false"/>

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