}
			typOff, _ := e.Val(dwarf.AttrType).(dwarf.Offset)
			if typOff == 0 {
				if e.Val(dwarf.AttrSpecification) != nil {
					// Since we are reading all the DWARF,
					// assume we will see the variable elsewhere.
					break
				}
				fatalf("malformed DWARF TagVariable entry")
			}
			if !strings.HasPrefix(name, "__cgo__") {
				break
			}
			typ, err := d.Type(typOff)
			if err != nil {