carbon-lang/explorer/fuzzing/fuzzer_corpus/05cc07bd9d1ef5b891c4f0df70a1463922009b5e

compilation_unit {
  package_statement {
    package_name: "ExplorerTest"
  }
  is_api: true
  declarations {
    choice {
      name {
        name: "AB"
      }
      alternatives {
        name: "A"
        signature {
        }
      }
      alternatives {
        name: "B"
        signature {
        }
      }
    }
  }
  declarations {
    function {
      name {
        name: "F"
      }
      param_pattern {
      }
      return_term {
        kind: Expression
        type {
          identifier {
            name: "AB"
          }
        }
      }
      body {
        statements {
          return_expression_statement {
            expression {
              call {
                function {
                  simple_member_access {
                    field: "A"
                    object {
                      identifier {
                        name: "AB"
                      }
                    }
                  }
                }
                argument {
                  tuple_literal {
                  }
                }
              }
            }
          }
        }
      }
    }
  }
  declarations {
    function {
      name {
        name: "Main"
      }
      param_pattern {
      }
      return_term {
        kind: Expression
        type {
          int_type_literal {
          }
        }
      }
      body {
        statements {
          match {
            expression {
              tuple_literal {
                fields {
                  call {
                    function {
                      identifier {
                        name: "F"
                      }
                    }
                    argument {
                      tuple_literal {
                      }
                    }
                  }
                }
                fields {
                  call {
                    function {
                      identifier {
                        name: "F"
                      }
                    }
                    argument {
                      tuple_literal {
                      }
                    }
                  }
                }
                fields {
                  call {
                    function {
                      identifier {
                        name: "F"
                      }
                    }
                    argument {
                      tuple_literal {
                      }
                    }
                  }
                }
                fields {
                  call {
                    function {
                      identifier {
                        name: "F"
                      }
                    }
                    argument {
                      tuple_literal {
                      }
                    }
                  }
                }
                fields {
                  call {
                    function {
                      identifier {
                        name: "F"
                      }
                    }
                    argument {
                      tuple_literal {
                      }
                    }
                  }
                }
                fields {
                  call {
                    function {
                      identifier {
                        name: "F"
                      }
                    }
                    argument {
                      tuple_literal {
                      }
                    }
                  }
                }
                fields {
                  call {
                    function {
                      identifier {
                        name: "F"
                      }
                    }
                    argument {
                      tuple_literal {
                      }
                    }
                  }
                }
                fields {
                  call {
                    function {
                      identifier {
                        name: "F"
                      }
                    }
                    argument {
                      tuple_literal {
                      }
                    }
                  }
                }
                fields {
                  call {
                    function {
                      identifier {
                        name: "F"
                      }
                    }
                    argument {
                      tuple_literal {
                      }
                    }
                  }
                }
              }
            }
            clauses {
              pattern {
                expression_pattern {
                  expression {
                    tuple_literal {
                      fields {
                        call {
                          function {
                            simple_member_access {
                              field: "A"
                              object {
                                identifier {
                                  name: "AB"
                                }
                              }
                            }
                          }
                          argument {
                            tuple_literal {
                            }
                          }
                        }
                      }
                      fields {
                        call {
                          function {
                            simple_member_access {
                              field: "A"
                              object {
                                identifier {
                                  name: "AB"
                                }
                              }
                            }
                          }
                          argument {
                            tuple_literal {
                            }
                          }
                        }
                      }
                      fields {
                        call {
                          function {
                            simple_member_access {
                              field: "A"
                              object {
                                identifier {
                                  name: "AB"
                                }
                              }
                            }
                          }
                          argument {
                            tuple_literal {
                            }
                          }
                        }
                      }
                      fields {
                        call {
                          function {
                            simple_member_access {
                              field: "A"
                              object {
                                identifier {
                                  name: "AB"
                                }
                              }
                            }
                          }
                          argument {
                            tuple_literal {
                            }
                          }
                        }
                      }
                      fields {
                        call {
                          function {
                            simple_member_access {
                              field: "A"
                              object {
                                identifier {
                                  name: "AB"
                                }
                              }
                            }
                          }
                          argument {
                            tuple_literal {
                            }
                          }
                        }
                      }
                      fields {
                        call {
                          function {
                            simple_member_access {
                              field: "A"
                              object {
                                identifier {
                                  name: "AB"
                                }
                              }
                            }
                          }
                          argument {
                            tuple_literal {
                            }
                          }
                        }
                      }
                      fields {
                        call {
                          function {
                            simple_member_access {
                              field: "A"
                              object {
                                identifier {
                                  name: "AB"
                                }
                              }
                            }
                          }
                          argument {
                            tuple_literal {
                            }
                          }
                        }
                      }
                      fields {
                        call {
                          function {
                            simple_member_access {
                              field: "A"
                              object {
                                identifier {
                                  name: "AB"
                                }
                              }
                            }
                          }
                          argument {
                            tuple_literal {
                            }
                          }
                        }
                      }
                      fields {
                        call {
                          function {
                            simple_member_access {
                              field: "A"
                              object {
                                identifier {
                                  name: "AB"
                                }
                              }
                            }
                          }
                          argument {
                            tuple_literal {
                            }
                          }
                        }
                      }
                    }
                  }
                }
              }
              statement {
                block {
                  statements {
                    return_expression_statement {
                      expression {
                        int_literal {
                          value: 0
                        }
                      }
                    }
                  }
                }
              }
            }
            clauses {
              pattern {
                expression_pattern {
                  expression {
                    tuple_literal {
                      fields {
                        call {
                          function {
                            simple_member_access {
                              field: "B"
                              object {
                                identifier {
                                  name: "AB"
                                }
                              }
                            }
                          }
                          argument {
                            tuple_literal {
                            }
                          }
                        }
                      }
                      fields {
                        call {
                          function {
                            simple_member_access {
                              field: "B"
                              object {
                                identifier {
                                  name: "AB"
                                }
                              }
                            }
                          }
                          argument {
                            tuple_literal {
                            }
                          }
                        }
                      }
                      fields {
                        call {
                          function {
                            simple_member_access {
                              field: "B"
                              object {
                                identifier {
                                  name: "AB"
                                }
                              }
                            }
                          }
                          argument {
                            tuple_literal {
                            }
                          }
                        }
                      }
                      fields {
                        call {
                          function {
                            simple_member_access {
                              field: "B"
                              object {
                                identifier {
                                  name: "AB"
                                }
                              }
                            }
                          }
                          argument {
                            tuple_literal {
                            }
                          }
                        }
                      }
                      fields {
                        call {
                          function {
                            simple_member_access {
                              field: "B"
                              object {
                                identifier {
                                  name: "AB"
                                }
                              }
                            }
                          }
                          argument {
                            tuple_literal {
                            }
                          }
                        }
                      }
                      fields {
                        call {
                          function {
                            simple_member_access {
                              field: "B"
                              object {
                                identifier {
                                  name: "AB"
                                }
                              }
                            }
                          }
                          argument {
                            tuple_literal {
                            }
                          }
                        }
                      }
                      fields {
                        call {
                          function {
                            simple_member_access {
                              field: "B"
                              object {
                                identifier {
                                  name: "AB"
                                }
                              }
                            }
                          }
                          argument {
                            tuple_literal {
                            }
                          }
                        }
                      }
                      fields {
                        call {
                          function {
                            simple_member_access {
                              field: "B"
                              object {
                                identifier {
                                  name: "AB"
                                }
                              }
                            }
                          }
                          argument {
                            tuple_literal {
                            }
                          }
                        }
                      }
                      fields {
                        call {
                          function {
                            simple_member_access {
                              field: "B"
                              object {
                                identifier {
                                  name: "AB"
                                }
                              }
                            }
                          }
                          argument {
                            tuple_literal {
                            }
                          }
                        }
                      }
                    }
                  }
                }
              }
              statement {
                block {
                  statements {
                    return_expression_statement {
                      expression {
                        int_literal {
                          value: 1
                        }
                      }
                    }
                  }
                }
              }
            }
            clauses {
              pattern {
                tuple_pattern {
                  fields {
                    binding_pattern {
                      name: "_"
                      type {
                        expression_pattern {
                          expression {
                            identifier {
                              name: "AB"
                            }
                          }
                        }
                      }
                    }
                  }
                  fields {
                    expression_pattern {
                      expression {
                        call {
                          function {
                            simple_member_access {
                              field: "A"
                              object {
                                identifier {
                                  name: "AB"
                                }
                              }
                            }
                          }
                          argument {
                            tuple_literal {
                            }
                          }
                        }
                      }
                    }
                  }
                  fields {
                    expression_pattern {
                      expression {
                        call {
                          function {
                            simple_member_access {
                              field: "A"
                              object {
                                identifier {
                                  name: "AB"
                                }
                              }
                            }
                          }
                          argument {
                            tuple_literal {
                            }
                          }
                        }
                      }
                    }
                  }
                  fields {
                    expression_pattern {
                      expression {
                        call {
                          function {
                            simple_member_access {
                              field: "A"
                              object {
                                identifier {
                                  name: "AB"
                                }
                              }
                            }
                          }
                          argument {
                            tuple_literal {
                            }
                          }
                        }
                      }
                    }
                  }
                  fields {
                    expression_pattern {
                      expression {
                        call {
                          function {
                            simple_member_access {
                              field: "A"
                              object {
                                identifier {
                                  name: "AB"
                                }
                              }
                            }
                          }
                          argument {
                            tuple_literal {
                            }
                          }
                        }
                      }
                    }
                  }
                  fields {
                    expression_pattern {
                      expression {
                        call {
                          function {
                            simple_member_access {
                              field: "A"
                              object {
                                identifier {
                                  name: "AB"
                                }
                              }
                            }
                          }
                          argument {
                            tuple_literal {
                            }
                          }
                        }
                      }
                    }
                  }
                  fields {
                    expression_pattern {
                      expression {
                        call {
                          function {
                            simple_member_access {
                              field: "A"
                              object {
                                identifier {
                                  name: "AB"
                                }
                              }
                            }
                          }
                          argument {
                            tuple_literal {
                            }
                          }
                        }
                      }
                    }
                  }
                  fields {
                    expression_pattern {
                      expression {
                        call {
                          function {
                            simple_member_access {
                              field: "A"
                              object {
                                identifier {
                                  name: "AB"
                                }
                              }
                            }
                          }
                          argument {
                            tuple_literal {
                            }
                          }
                        }
                      }
                    }
                  }
                  fields {
                    expression_pattern {
                      expression {
                        call {
                          function {
                            simple_member_access {
                              field: "A"
                              object {
                                identifier {
                                  name: "AB"
                                }
                              }
                            }
                          }
                          argument {
                            tuple_literal {
                            }
                          }
                        }
                      }
                    }
                  }
                }
              }
              statement {
                block {
                  statements {
                    return_expression_statement {
                      expression {
                        int_literal {
                          value: 2
                        }
                      }
                    }
                  }
                }
              }
            }
            clauses {
              pattern {
                tuple_pattern {
                  fields {
                    binding_pattern {
                      name: "_"
                      type {
                        expression_pattern {
                          expression {
                            identifier {
                              name: "AB"
                            }
                          }
                        }
                      }
                    }
                  }
                  fields {
                    expression_pattern {
                      expression {
                        call {
                          function {
                            simple_member_access {
                              field: "B"
                              object {
                                identifier {
                                  name: "AB"
                                }
                              }
                            }
                          }
                          argument {
                            tuple_literal {
                            }
                          }
                        }
                      }
                    }
                  }
                  fields {
                    expression_pattern {
                      expression {
                        call {
                          function {
                            simple_member_access {
                              field: "B"
                              object {
                                identifier {
                                  name: "AB"
                                }
                              }
                            }
                          }
                          argument {
                            tuple_literal {
                            }
                          }
                        }
                      }
                    }
                  }
                  fields {
                    expression_pattern {
                      expression {
                        call {
                          function {
                            simple_member_access {
                              field: "B"
                              object {
                                identifier {
                                  name: "AB"
                                }
                              }
                            }
                          }
                          argument {
                            tuple_literal {
                            }
                          }
                        }
                      }
                    }
                  }
                  fields {
                    expression_pattern {
                      expression {
                        call {
                          function {
                            simple_member_access {
                              field: "B"
                              object {
                                identifier {
                                  name: "AB"
                                }
                              }
                            }
                          }
                          argument {
                            tuple_literal {
                            }
                          }
                        }
                      }
                    }
                  }
                  fields {
                    expression_pattern {
                      expression {
                        call {
                          function {
                            simple_member_access {
                              field: "B"
                              object {
                                identifier {
                                  name: "AB"
                                }
                              }
                            }
                          }
                          argument {
                            tuple_literal {
                            }
                          }
                        }
                      }
                    }
                  }
                  fields {
                    expression_pattern {
                      expression {
                        call {
                          function {
                            simple_member_access {
                              field: "B"
                              object {
                                identifier {
                                  name: "AB"
                                }
                              }
                            }
                          }
                          argument {
                            tuple_literal {
                            }
                          }
                        }
                      }
                    }
                  }
                  fields {
                    expression_pattern {
                      expression {
                        call {
                          function {
                            simple_member_access {
                              field: "B"
                              object {
                                identifier {
                                  name: "AB"
                                }
                              }
                            }
                          }
                          argument {
                            tuple_literal {
                            }
                          }
                        }
                      }
                    }
                  }
                  fields {
                    expression_pattern {
                      expression {
                        call {
                          function {
                            simple_member_access {
                              field: "B"
                              object {
                                identifier {
                                  name: "AB"
                                }
                              }
                            }
                          }
                          argument {
                            tuple_literal {
                            }
                          }
                        }
                      }
                    }
                  }
                }
              }
              statement {
                block {
                  statements {
                    return_expression_statement {
                      expression {
                        int_literal {
                          value: 3
                        }
                      }
                    }
                  }
                }
              }
            }
            clauses {
              pattern {
                tuple_pattern {
                  fields {
                    binding_pattern {
                      name: "_"
                      type {
                        expression_pattern {
                          expression {
                            identifier {
                              name: "AB"
                            }
                          }
                        }
                      }
                    }
                  }
                  fields {
                    binding_pattern {
                      name: "_"
                      type {
                        expression_pattern {
                          expression {
                            identifier {
                              name: "AB"
                            }
                          }
                        }
                      }
                    }
                  }
                  fields {
                    expression_pattern {
                      expression {
                        call {
                          function {
                            simple_member_access {
                              field: "A"
                              object {
                                identifier {
                                  name: "AB"
                                }
                              }
                            }
                          }
                          argument {
                            tuple_literal {
                            }
                          }
                        }
                      }
                    }
                  }
                  fields {
                    expression_pattern {
                      expression {
                        call {
                          function {
                            simple_member_access {
                              field: "A"
                              object {
                                identifier {
                                  name: "AB"
                                }
                              }
                            }
                          }
                          argument {
                            tuple_literal {
                            }
                          }
                        }
                      }
                    }
                  }
                  fields {
                    expression_pattern {
                      expression {
                        call {
                          function {
                            simple_member_access {
                              field: "A"
                              object {
                                identifier {
                                  name: "AB"
                                }
                              }
                            }
                          }
                          argument {
                            tuple_literal {
                            }
                          }
                        }
                      }
                    }
                  }
                  fields {
                    expression_pattern {
                      expression {
                        call {
                          function {
                            simple_member_access {
                              field: "A"
                              object {
                                identifier {
                                  name: "AB"
                                }
                              }
                            }
                          }
                          argument {
                            tuple_literal {
                            }
                          }
                        }
                      }
                    }
                  }
                  fields {
                    expression_pattern {
                      expression {
                        call {
                          function {
                            simple_member_access {
                              field: "A"
                              object {
                                identifier {
                                  name: "AB"
                                }
                              }
                            }
                          }
                          argument {
                            tuple_literal {
                            }
                          }
                        }
                      }
                    }
                  }
                  fields {
                    expression_pattern {
                      expression {
                        call {
                          function {
                            simple_member_access {
                              field: "A"
                              object {
                                identifier {
                                  name: "AB"
                                }
                              }
                            }
                          }
                          argument {
                            tuple_literal {
                            }
                          }
                        }
                      }
                    }
                  }
                  fields {
                    expression_pattern {
                      expression {
                        call {
                          function {
                            simple_member_access {
                              field: "A"
                              object {
                                identifier {
                                  name: "AB"
                                }
                              }
                            }
                          }
                          argument {
                            tuple_literal {
                            }
                          }
                        }
                      }
                    }
                  }
                }
              }
              statement {
                block {
                  statements {
                    return_expression_statement {
                      expression {
                        int_literal {
                          value: 4
                        }
                      }
                    }
                  }
                }
              }
            }
            clauses {
              pattern {
                tuple_pattern {
                  fields {
                    binding_pattern {
                      name: "_"
                      type {
                        expression_pattern {
                          expression {
                            identifier {
                              name: "AB"
                            }
                          }
                        }
                      }
                    }
                  }
                  fields {
                    binding_pattern {
                      name: "_"
                      type {
                        expression_pattern {
                          expression {
                            identifier {
                              name: "AB"
                            }
                          }
                        }
                      }
                    }
                  }
                  fields {
                    expression_pattern {
                      expression {
                        call {
                          function {
                            simple_member_access {
                              field: "B"
                              object {
                                identifier {
                                  name: "AB"
                                }
                              }
                            }
                          }
                          argument {
                            tuple_literal {
                            }
                          }
                        }
                      }
                    }
                  }
                  fields {
                    expression_pattern {
                      expression {
                        call {
                          function {
                            simple_member_access {
                              field: "B"
                              object {
                                identifier {
                                  name: "AB"
                                }
                              }
                            }
                          }
                          argument {
                            tuple_literal {
                            }
                          }
                        }
                      }
                    }
                  }
                  fields {
                    expression_pattern {
                      expression {
                        call {
                          function {
                            simple_member_access {
                              field: "B"
                              object {
                                identifier {
                                  name: "AB"
                                }
                              }
                            }
                          }
                          argument {
                            tuple_literal {
                            }
                          }
                        }
                      }
                    }
                  }
                  fields {
                    expression_pattern {
                      expression {
                        call {
                          function {
                            simple_member_access {
                              field: "B"
                              object {
                                identifier {
                                  name: "AB"
                                }
                              }
                            }
                          }
                          argument {
                            tuple_literal {
                            }
                          }
                        }
                      }
                    }
                  }
                  fields {
                    expression_pattern {
                      expression {
                        call {
                          function {
                            simple_member_access {
                              field: "B"
                              object {
                                identifier {
                                  name: "AB"
                                }
                              }
                            }
                          }
                          argument {
                            tuple_literal {
                            }
                          }
                        }
                      }
                    }
                  }
                  fields {
                    expression_pattern {
                      expression {
                        call {
                          function {
                            simple_member_access {
                              field: "B"
                              object {
                                identifier {
                                  name: "AB"
                                }
                              }
                            }
                          }
                          argument {
                            tuple_literal {
                            }
                          }
                        }
                      }
                    }
                  }
                  fields {
                    expression_pattern {
                      expression {
                        call {
                          function {
                            simple_member_access {
                              field: "B"
                              object {
                                identifier {
                                  name: "AB"
                                }
                              }
                            }
                          }
                          argument {
                            tuple_literal {
                            }
                          }
                        }
                      }
                    }
                  }
                }
              }
              statement {
                block {
                  statements {
                    return_expression_statement {
                      expression {
                        int_literal {
                          value: 5
                        }
                      }
                    }
                  }
                }
              }
            }
            clauses {
              pattern {
                tuple_pattern {
                  fields {
                    binding_pattern {
                      name: "_"
                      type {
                        expression_pattern {
                          expression {
                            identifier {
                              name: "AB"
                            }
                          }
                        }
                      }
                    }
                  }
                  fields {
                    binding_pattern {
                      name: "_"
                      type {
                        expression_pattern {
                          expression {
                            identifier {
                              name: "AB"
                            }
                          }
                        }
                      }
                    }
                  }
                  fields {
                    binding_pattern {
                      name: "_"
                      type {
                        expression_pattern {
                          expression {
                            identifier {
                              name: "AB"
                            }
                          }
                        }
                      }
                    }
                  }
                  fields {
                    expression_pattern {
                      expression {
                        call {
                          function {
                            simple_member_access {
                              field: "A"
                              object {
                                identifier {
                                  name: "AB"
                                }
                              }
                            }
                          }
                          argument {
                            tuple_literal {
                            }
                          }
                        }
                      }
                    }
                  }
                  fields {
                    expression_pattern {
                      expression {
                        call {
                          function {
                            simple_member_access {
                              field: "A"
                              object {
                                identifier {
                                  name: "AB"
                                }
                              }
                            }
                          }
                          argument {
                            tuple_literal {
                            }
                          }
                        }
                      }
                    }
                  }
                  fields {
                    expression_pattern {
                      expression {
                        call {
                          function {
                            simple_member_access {
                              field: "A"
                              object {
                                identifier {
                                  name: "AB"
                                }
                              }
                            }
                          }
                          argument {
                            tuple_literal {
                            }
                          }
                        }
                      }
                    }
                  }
                  fields {
                    expression_pattern {
                      expression {
                        call {
                          function {
                            simple_member_access {
                              field: "A"
                              object {
                                identifier {
                                  name: "AB"
                                }
                              }
                            }
                          }
                          argument {
                            tuple_literal {
                            }
                          }
                        }
                      }
                    }
                  }
                  fields {
                    expression_pattern {
                      expression {
                        call {
                          function {
                            simple_member_access {
                              field: "A"
                              object {
                                identifier {
                                  name: "AB"
                                }
                              }
                            }
                          }
                          argument {
                            tuple_literal {
                            }
                          }
                        }
                      }
                    }
                  }
                  fields {
                    expression_pattern {
                      expression {
                        call {
                          function {
                            simple_member_access {
                              field: "A"
                              object {
                                identifier {
                                  name: "AB"
                                }
                              }
                            }
                          }
                          argument {
                            tuple_literal {
                            }
                          }
                        }
                      }
                    }
                  }
                }
              }
              statement {
                block {
                  statements {
                    return_expression_statement {
                      expression {
                        int_literal {
                          value: 6
                        }
                      }
                    }
                  }
                }
              }
            }
            clauses {
              pattern {
                tuple_pattern {
                  fields {
                    binding_pattern {
                      name: "_"
                      type {
                        expression_pattern {
                          expression {
                            identifier {
                              name: "AB"
                            }
                          }
                        }
                      }
                    }
                  }
                  fields {
                    binding_pattern {
                      name: "_"
                      type {
                        expression_pattern {
                          expression {
                            identifier {
                              name: "AB"
                            }
                          }
                        }
                      }
                    }
                  }
                  fields {
                    binding_pattern {
                      name: "_"
                      type {
                        expression_pattern {
                          expression {
                            identifier {
                              name: "AB"
                            }
                          }
                        }
                      }
                    }
                  }
                  fields {
                    expression_pattern {
                      expression {
                        call {
                          function {
                            simple_member_access {
                              field: "B"
                              object {
                                identifier {
                                  name: "AB"
                                }
                              }
                            }
                          }
                          argument {
                            tuple_literal {
                            }
                          }
                        }
                      }
                    }
                  }
                  fields {
                    expression_pattern {
                      expression {
                        call {
                          function {
                            simple_member_access {
                              field: "B"
                              object {
                                identifier {
                                  name: "AB"
                                }
                              }
                            }
                          }
                          argument {
                            tuple_literal {
                            }
                          }
                        }
                      }
                    }
                  }
                  fields {
                    expression_pattern {
                      expression {
                        call {
                          function {
                            simple_member_access {
                              field: "B"
                              object {
                                identifier {
                                  name: "AB"
                                }
                              }
                            }
                          }
                          argument {
                            tuple_literal {
                            }
                          }
                        }
                      }
                    }
                  }
                  fields {
                    expression_pattern {
                      expression {
                        call {
                          function {
                            simple_member_access {
                              field: "B"
                              object {
                                identifier {
                                  name: "AB"
                                }
                              }
                            }
                          }
                          argument {
                            tuple_literal {
                            }
                          }
                        }
                      }
                    }
                  }
                  fields {
                    expression_pattern {
                      expression {
                        call {
                          function {
                            simple_member_access {
                              field: "B"
                              object {
                                identifier {
                                  name: "AB"
                                }
                              }
                            }
                          }
                          argument {
                            tuple_literal {
                            }
                          }
                        }
                      }
                    }
                  }
                  fields {
                    expression_pattern {
                      expression {
                        call {
                          function {
                            simple_member_access {
                              field: "B"
                              object {
                                identifier {
                                  name: "AB"
                                }
                              }
                            }
                          }
                          argument {
                            tuple_literal {
                            }
                          }
                        }
                      }
                    }
                  }
                }
              }
              statement {
                block {
                  statements {
                    return_expression_statement {
                      expression {
                        int_literal {
                          value: 7
                        }
                      }
                    }
                  }
                }
              }
            }
            clauses {
              pattern {
                tuple_pattern {
                  fields {
                    binding_pattern {
                      name: "_"
                      type {
                        expression_pattern {
                          expression {
                            identifier {
                              name: "AB"
                            }
                          }
                        }
                      }
                    }
                  }
                  fields {
                    binding_pattern {
                      name: "_"
                      type {
                        expression_pattern {
                          expression {
                            identifier {
                              name: "AB"
                            }
                          }
                        }
                      }
                    }
                  }
                  fields {
                    binding_pattern {
                      name: "_"
                      type {
                        expression_pattern {
                          expression {
                            identifier {
                              name: "AB"
                            }
                          }
                        }
                      }
                    }
                  }
                  fields {
                    binding_pattern {
                      name: "_"
                      type {
                        expression_pattern {
                          expression {
                            identifier {
                              name: "AB"
                            }
                          }
                        }
                      }
                    }
                  }
                  fields {
                    expression_pattern {
                      expression {
                        call {
                          function {
                            simple_member_access {
                              field: "A"
                              object {
                                identifier {
                                  name: "AB"
                                }
                              }
                            }
                          }
                          argument {
                            tuple_literal {
                            }
                          }
                        }
                      }
                    }
                  }
                  fields {
                    expression_pattern {
                      expression {
                        call {
                          function {
                            simple_member_access {
                              field: "A"
                              object {
                                identifier {
                                  name: "AB"
                                }
                              }
                            }
                          }
                          argument {
                            tuple_literal {
                            }
                          }
                        }
                      }
                    }
                  }
                  fields {
                    expression_pattern {
                      expression {
                        call {
                          function {
                            simple_member_access {
                              field: "A"
                              object {
                                identifier {
                                  name: "AB"
                                }
                              }
                            }
                          }
                          argument {
                            tuple_literal {
                            }
                          }
                        }
                      }
                    }
                  }
                  fields {
                    expression_pattern {
                      expression {
                        call {
                          function {
                            simple_member_access {
                              field: "A"
                              object {
                                identifier {
                                  name: "AB"
                                }
                              }
                            }
                          }
                          argument {
                            tuple_literal {
                            }
                          }
                        }
                      }
                    }
                  }
                  fields {
                    expression_pattern {
                      expression {
                        call {
                          function {
                            simple_member_access {
                              field: "A"
                              object {
                                identifier {
                                  name: "AB"
                                }
                              }
                            }
                          }
                          argument {
                            tuple_literal {
                            }
                          }
                        }
                      }
                    }
                  }
                }
              }
              statement {
                block {
                  statements {
                    return_expression_statement {
                      expression {
                        int_literal {
                          value: 8
                        }
                      }
                    }
                  }
                }
              }
            }
            clauses {
              pattern {
                tuple_pattern {
                  fields {
                    binding_pattern {
                      name: "_"
                      type {
                        expression_pattern {
                          expression {
                            identifier {
                              name: "AB"
                            }
                          }
                        }
                      }
                    }
                  }
                  fields {
                    binding_pattern {
                      name: "_"
                      type {
                        expression_pattern {
                          expression {
                            identifier {
                              name: "AB"
                            }
                          }
                        }
                      }
                    }
                  }
                  fields {
                    binding_pattern {
                      name: "_"
                      type {
                        expression_pattern {
                          expression {
                            identifier {
                              name: "AB"
                            }
                          }
                        }
                      }
                    }
                  }
                  fields {
                    binding_pattern {
                      name: "_"
                      type {
                        expression_pattern {
                          expression {
                            identifier {
                              name: "AB"
                            }
                          }
                        }
                      }
                    }
                  }
                  fields {
                    expression_pattern {
                      expression {
                        call {
                          function {
                            simple_member_access {
                              field: "B"
                              object {
                                identifier {
                                  name: "AB"
                                }
                              }
                            }
                          }
                          argument {
                            tuple_literal {
                            }
                          }
                        }
                      }
                    }
                  }
                  fields {
                    expression_pattern {
                      expression {
                        call {
                          function {
                            simple_member_access {
                              field: "B"
                              object {
                                identifier {
                                  name: "AB"
                                }
                              }
                            }
                          }
                          argument {
                            tuple_literal {
                            }
                          }
                        }
                      }
                    }
                  }
                  fields {
                    expression_pattern {
                      expression {
                        call {
                          function {
                            simple_member_access {
                              field: "B"
                              object {
                                identifier {
                                  name: "AB"
                                }
                              }
                            }
                          }
                          argument {
                            tuple_literal {
                            }
                          }
                        }
                      }
                    }
                  }
                  fields {
                    expression_pattern {
                      expression {
                        call {
                          function {
                            simple_member_access {
                              field: "B"
                              object {
                                identifier {
                                  name: "AB"
                                }
                              }
                            }
                          }
                          argument {
                            tuple_literal {
                            }
                          }
                        }
                      }
                    }
                  }
                  fields {
                    expression_pattern {
                      expression {
                        call {
                          function {
                            simple_member_access {
                              field: "B"
                              object {
                                identifier {
                                  name: "AB"
                                }
                              }
                            }
                          }
                          argument {
                            tuple_literal {
                            }
                          }
                        }
                      }
                    }
                  }
                }
              }
              statement {
                block {
                  statements {
                    return_expression_statement {
                      expression {
                        int_literal {
                          value: 9
                        }
                      }
                    }
                  }
                }
              }
            }
            clauses {
              pattern {
                tuple_pattern {
                  fields {
                    binding_pattern {
                      name: "_"
                      type {
                        expression_pattern {
                          expression {
                            identifier {
                              name: "AB"
                            }
                          }
                        }
                      }
                    }
                  }
                  fields {
                    binding_pattern {
                      name: "_"
                      type {
                        expression_pattern {
                          expression {
                            identifier {
                              name: "AB"
                            }
                          }
                        }
                      }
                    }
                  }
                  fields {
                    binding_pattern {
                      name: "_"
                      type {
                        expression_pattern {
                          expression {
                            identifier {
                              name: "AB"
                            }
                          }
                        }
                      }
                    }
                  }
                  fields {
                    binding_pattern {
                      name: "_"
                      type {
                        expression_pattern {
                          expression {
                            identifier {
                              name: "AB"
                            }
                          }
                        }
                      }
                    }
                  }
                  fields {
                    binding_pattern {
                      name: "_"
                      type {
                        expression_pattern {
                          expression {
                            identifier {
                              name: "AB"
                            }
                          }
                        }
                      }
                    }
                  }
                  fields {
                    expression_pattern {
                      expression {
                        call {
                          function {
                            simple_member_access {
                              field: "A"
                              object {
                                identifier {
                                  name: "AB"
                                }
                              }
                            }
                          }
                          argument {
                            tuple_literal {
                            }
                          }
                        }
                      }
                    }
                  }
                  fields {
                    expression_pattern {
                      expression {
                        call {
                          function {
                            simple_member_access {
                              field: "A"
                              object {
                                identifier {
                                  name: "AB"
                                }
                              }
                            }
                          }
                          argument {
                            tuple_literal {
                            }
                          }
                        }
                      }
                    }
                  }
                  fields {
                    expression_pattern {
                      expression {
                        call {
                          function {
                            simple_member_access {
                              field: "A"
                              object {
                                identifier {
                                  name: "AB"
                                }
                              }
                            }
                          }
                          argument {
                            tuple_literal {
                            }
                          }
                        }
                      }
                    }
                  }
                  fields {
                    expression_pattern {
                      expression {
                        call {
                          function {
                            simple_member_access {
                              field: "A"
                              object {
                                identifier {
                                  name: "AB"
                                }
                              }
                            }
                          }
                          argument {
                            tuple_literal {
                            }
                          }
                        }
                      }
                    }
                  }
                }
              }
              statement {
                block {
                  statements {
                    return_expression_statement {
                      expression {
                        int_literal {
                          value: 10
                        }
                      }
                    }
                  }
                }
              }
            }
            clauses {
              pattern {
                tuple_pattern {
                  fields {
                    binding_pattern {
                      name: "_"
                      type {
                        expression_pattern {
                          expression {
                            identifier {
                              name: "AB"
                            }
                          }
                        }
                      }
                    }
                  }
                  fields {
                    binding_pattern {
                      name: "_"
                      type {
                        expression_pattern {
                          expression {
                            identifier {
                              name: "AB"
                            }
                          }
                        }
                      }
                    }
                  }
                  fields {
                    binding_pattern {
                      name: "_"
                      type {
                        expression_pattern {
                          expression {
                            identifier {
                              name: "AB"
                            }
                          }
                        }
                      }
                    }
                  }
                  fields {
                    binding_pattern {
                      name: "_"
                      type {
                        expression_pattern {
                          expression {
                            identifier {
                              name: "AB"
                            }
                          }
                        }
                      }
                    }
                  }
                  fields {
                    binding_pattern {
                      name: "_"
                      type {
                        expression_pattern {
                          expression {
                            identifier {
                              name: "AB"
                            }
                          }
                        }
                      }
                    }
                  }
                  fields {
                    expression_pattern {
                      expression {
                        call {
                          function {
                            simple_member_access {
                              field: "B"
                              object {
                                identifier {
                                  name: "AB"
                                }
                              }
                            }
                          }
                          argument {
                            tuple_literal {
                            }
                          }
                        }
                      }
                    }
                  }
                  fields {
                    expression_pattern {
                      expression {
                        call {
                          function {
                            simple_member_access {
                              field: "B"
                              object {
                                identifier {
                                  name: "AB"
                                }
                              }
                            }
                          }
                          argument {
                            tuple_literal {
                            }
                          }
                        }
                      }
                    }
                  }
                  fields {
                    expression_pattern {
                      expression {
                        call {
                          function {
                            simple_member_access {
                              field: "B"
                              object {
                                identifier {
                                  name: "AB"
                                }
                              }
                            }
                          }
                          argument {
                            tuple_literal {
                            }
                          }
                        }
                      }
                    }
                  }
                  fields {
                    expression_pattern {
                      expression {
                        call {
                          function {
                            simple_member_access {
                              field: "B"
                              object {
                                identifier {
                                  name: "AB"
                                }
                              }
                            }
                          }
                          argument {
                            tuple_literal {
                            }
                          }
                        }
                      }
                    }
                  }
                }
              }
              statement {
                block {
                  statements {
                    return_expression_statement {
                      expression {
                        int_literal {
                          value: 11
                        }
                      }
                    }
                  }
                }
              }
            }
            clauses {
              pattern {
                tuple_pattern {
                  fields {
                    binding_pattern {
                      name: "_"
                      type {
                        expression_pattern {
                          expression {
                            identifier {
                              name: "AB"
                            }
                          }
                        }
                      }
                    }
                  }
                  fields {
                    binding_pattern {
                      name: "_"
                      type {
                        expression_pattern {
                          expression {
                            identifier {
                              name: "AB"
                            }
                          }
                        }
                      }
                    }
                  }
                  fields {
                    binding_pattern {
                      name: "_"
                      type {
                        expression_pattern {
                          expression {
                            identifier {
                              name: "AB"
                            }
                          }
                        }
                      }
                    }
                  }
                  fields {
                    binding_pattern {
                      name: "_"
                      type {
                        expression_pattern {
                          expression {
                            identifier {
                              name: "AB"
                            }
                          }
                        }
                      }
                    }
                  }
                  fields {
                    binding_pattern {
                      name: "_"
                      type {
                        expression_pattern {
                          expression {
                            identifier {
                              name: "AB"
                            }
                          }
                        }
                      }
                    }
                  }
                  fields {
                    binding_pattern {
                      name: "_"
                      type {
                        expression_pattern {
                          expression {
                            identifier {
                              name: "AB"
                            }
                          }
                        }
                      }
                    }
                  }
                  fields {
                    expression_pattern {
                      expression {
                        call {
                          function {
                            simple_member_access {
                              field: "A"
                              object {
                                identifier {
                                  name: "AB"
                                }
                              }
                            }
                          }
                          argument {
                            tuple_literal {
                            }
                          }
                        }
                      }
                    }
                  }
                  fields {
                    expression_pattern {
                      expression {
                        call {
                          function {
                            simple_member_access {
                              field: "A"
                              object {
                                identifier {
                                  name: "AB"
                                }
                              }
                            }
                          }
                          argument {
                            tuple_literal {
                            }
                          }
                        }
                      }
                    }
                  }
                  fields {
                    expression_pattern {
                      expression {
                        call {
                          function {
                            simple_member_access {
                              field: "A"
                              object {
                                identifier {
                                  name: "AB"
                                }
                              }
                            }
                          }
                          argument {
                            tuple_literal {
                            }
                          }
                        }
                      }
                    }
                  }
                }
              }
              statement {
                block {
                  statements {
                    return_expression_statement {
                      expression {
                        int_literal {
                          value: 12
                        }
                      }
                    }
                  }
                }
              }
            }
            clauses {
              pattern {
                tuple_pattern {
                  fields {
                    binding_pattern {
                      name: "_"
                      type {
                        expression_pattern {
                          expression {
                            identifier {
                              name: "AB"
                            }
                          }
                        }
                      }
                    }
                  }
                  fields {
                    binding_pattern {
                      name: "_"
                      type {
                        expression_pattern {
                          expression {
                            identifier {
                              name: "AB"
                            }
                          }
                        }
                      }
                    }
                  }
                  fields {
                    binding_pattern {
                      name: "_"
                      type {
                        expression_pattern {
                          expression {
                            identifier {
                              name: "AB"
                            }
                          }
                        }
                      }
                    }
                  }
                  fields {
                    binding_pattern {
                      name: "_"
                      type {
                        expression_pattern {
                          expression {
                            identifier {
                              name: "AB"
                            }
                          }
                        }
                      }
                    }
                  }
                  fields {
                    binding_pattern {
                      name: "_"
                      type {
                        expression_pattern {
                          expression {
                            identifier {
                              name: "AB"
                            }
                          }
                        }
                      }
                    }
                  }
                  fields {
                    binding_pattern {
                      name: "_"
                      type {
                        expression_pattern {
                          expression {
                            identifier {
                              name: "AB"
                            }
                          }
                        }
                      }
                    }
                  }
                  fields {
                    expression_pattern {
                      expression {
                        call {
                          function {
                            simple_member_access {
                              field: "B"
                              object {
                                identifier {
                                  name: "AB"
                                }
                              }
                            }
                          }
                          argument {
                            tuple_literal {
                            }
                          }
                        }
                      }
                    }
                  }
                  fields {
                    expression_pattern {
                      expression {
                        call {
                          function {
                            simple_member_access {
                              field: "B"
                              object {
                                identifier {
                                  name: "AB"
                                }
                              }
                            }
                          }
                          argument {
                            tuple_literal {
                            }
                          }
                        }
                      }
                    }
                  }
                  fields {
                    expression_pattern {
                      expression {
                        call {
                          function {
                            simple_member_access {
                              field: "B"
                              object {
                                identifier {
                                  name: "AB"
                                }
                              }
                            }
                          }
                          argument {
                            tuple_literal {
                            }
                          }
                        }
                      }
                    }
                  }
                }
              }
              statement {
                block {
                  statements {
                    return_expression_statement {
                      expression {
                        int_literal {
                          value: 13
                        }
                      }
                    }
                  }
                }
              }
            }
            clauses {
              pattern {
                tuple_pattern {
                  fields {
                    binding_pattern {
                      name: "_"
                      type {
                        expression_pattern {
                          expression {
                            identifier {
                              name: "AB"
                            }
                          }
                        }
                      }
                    }
                  }
                  fields {
                    binding_pattern {
                      name: "_"
                      type {
                        expression_pattern {
                          expression {
                            identifier {
                              name: "AB"
                            }
                          }
                        }
                      }
                    }
                  }
                  fields {
                    binding_pattern {
                      name: "_"
                      type {
                        expression_pattern {
                          expression {
                            identifier {
                              name: "AB"
                            }
                          }
                        }
                      }
                    }
                  }
                  fields {
                    binding_pattern {
                      name: "_"
                      type {
                        expression_pattern {
                          expression {
                            identifier {
                              name: "AB"
                            }
                          }
                        }
                      }
                    }
                  }
                  fields {
                    binding_pattern {
                      name: "_"
                      type {
                        expression_pattern {
                          expression {
                            identifier {
                              name: "AB"
                            }
                          }
                        }
                      }
                    }
                  }
                  fields {
                    binding_pattern {
                      name: "_"
                      type {
                        expression_pattern {
                          expression {
                            identifier {
                              name: "AB"
                            }
                          }
                        }
                      }
                    }
                  }
                  fields {
                    binding_pattern {
                      name: "_"
                      type {
                        expression_pattern {
                          expression {
                            identifier {
                              name: "AB"
                            }
                          }
                        }
                      }
                    }
                  }
                  fields {
                    expression_pattern {
                      expression {
                        call {
                          function {
                            simple_member_access {
                              field: "A"
                              object {
                                identifier {
                                  name: "AB"
                                }
                              }
                            }
                          }
                          argument {
                            tuple_literal {
                            }
                          }
                        }
                      }
                    }
                  }
                  fields {
                    expression_pattern {
                      expression {
                        call {
                          function {
                            simple_member_access {
                              field: "A"
                              object {
                                identifier {
                                  name: "AB"
                                }
                              }
                            }
                          }
                          argument {
                            tuple_literal {
                            }
                          }
                        }
                      }
                    }
                  }
                }
              }
              statement {
                block {
                  statements {
                    return_expression_statement {
                      expression {
                        int_literal {
                          value: 14
                        }
                      }
                    }
                  }
                }
              }
            }
            clauses {
              pattern {
                tuple_pattern {
                  fields {
                    binding_pattern {
                      name: "_"
                      type {
                        expression_pattern {
                          expression {
                            identifier {
                              name: "AB"
                            }
                          }
                        }
                      }
                    }
                  }
                  fields {
                    binding_pattern {
                      name: "_"
                      type {
                        expression_pattern {
                          expression {
                            identifier {
                              name: "AB"
                            }
                          }
                        }
                      }
                    }
                  }
                  fields {
                    binding_pattern {
                      name: "_"
                      type {
                        expression_pattern {
                          expression {
                            identifier {
                              name: "AB"
                            }
                          }
                        }
                      }
                    }
                  }
                  fields {
                    binding_pattern {
                      name: "_"
                      type {
                        expression_pattern {
                          expression {
                            identifier {
                              name: "AB"
                            }
                          }
                        }
                      }
                    }
                  }
                  fields {
                    binding_pattern {
                      name: "_"
                      type {
                        expression_pattern {
                          expression {
                            identifier {
                              name: "AB"
                            }
                          }
                        }
                      }
                    }
                  }
                  fields {
                    binding_pattern {
                      name: "_"
                      type {
                        expression_pattern {
                          expression {
                            identifier {
                              name: "AB"
                            }
                          }
                        }
                      }
                    }
                  }
                  fields {
                    binding_pattern {
                      name: "_"
                      type {
                        expression_pattern {
                          expression {
                            identifier {
                              name: "AB"
                            }
                          }
                        }
                      }
                    }
                  }
                  fields {
                    expression_pattern {
                      expression {
                        call {
                          function {
                            simple_member_access {
                              field: "B"
                              object {
                                identifier {
                                  name: "AB"
                                }
                              }
                            }
                          }
                          argument {
                            tuple_literal {
                            }
                          }
                        }
                      }
                    }
                  }
                  fields {
                    expression_pattern {
                      expression {
                        call {
                          function {
                            simple_member_access {
                              field: "B"
                              object {
                                identifier {
                                  name: "AB"
                                }
                              }
                            }
                          }
                          argument {
                            tuple_literal {
                            }
                          }
                        }
                      }
                    }
                  }
                }
              }
              statement {
                block {
                  statements {
                    return_expression_statement {
                      expression {
                        int_literal {
                          value: 15
                        }
                      }
                    }
                  }
                }
              }
            }
            clauses {
              pattern {
                tuple_pattern {
                  fields {
                    binding_pattern {
                      name: "_"
                      type {
                        expression_pattern {
                          expression {
                            identifier {
                              name: "AB"
                            }
                          }
                        }
                      }
                    }
                  }
                  fields {
                    binding_pattern {
                      name: "_"
                      type {
                        expression_pattern {
                          expression {
                            identifier {
                              name: "AB"
                            }
                          }
                        }
                      }
                    }
                  }
                  fields {
                    binding_pattern {
                      name: "_"
                      type {
                        expression_pattern {
                          expression {
                            identifier {
                              name: "AB"
                            }
                          }
                        }
                      }
                    }
                  }
                  fields {
                    binding_pattern {
                      name: "_"
                      type {
                        expression_pattern {
                          expression {
                            identifier {
                              name: "AB"
                            }
                          }
                        }
                      }
                    }
                  }
                  fields {
                    binding_pattern {
                      name: "_"
                      type {
                        expression_pattern {
                          expression {
                            identifier {
                              name: "AB"
                            }
                          }
                        }
                      }
                    }
                  }
                  fields {
                    binding_pattern {
                      name: "_"
                      type {
                        expression_pattern {
                          expression {
                            identifier {
                              name: "AB"
                            }
                          }
                        }
                      }
                    }
                  }
                  fields {
                    binding_pattern {
                      name: "_"
                      type {
                        expression_pattern {
                          expression {
                            identifier {
                              name: "AB"
                            }
                          }
                        }
                      }
                    }
                  }
                  fields {
                    binding_pattern {
                      name: "_"
                      type {
                        expression_pattern {
                          expression {
                            identifier {
                              name: "AB"
                            }
                          }
                        }
                      }
                    }
                  }
                  fields {
                    expression_pattern {
                      expression {
                        call {
                          function {
                            simple_member_access {
                              field: "A"
                              object {
                                identifier {
                                  name: "AB"
                                }
                              }
                            }
                          }
                          argument {
                            tuple_literal {
                            }
                          }
                        }
                      }
                    }
                  }
                }
              }
              statement {
                block {
                  statements {
                    return_expression_statement {
                      expression {
                        int_literal {
                          value: 16
                        }
                      }
                    }
                  }
                }
              }
            }
            clauses {
              pattern {
                tuple_pattern {
                  fields {
                    binding_pattern {
                      name: "_"
                      type {
                        expression_pattern {
                          expression {
                            identifier {
                              name: "AB"
                            }
                          }
                        }
                      }
                    }
                  }
                  fields {
                    binding_pattern {
                      name: "_"
                      type {
                        expression_pattern {
                          expression {
                            identifier {
                              name: "AB"
                            }
                          }
                        }
                      }
                    }
                  }
                  fields {
                    binding_pattern {
                      name: "_"
                      type {
                        expression_pattern {
                          expression {
                            identifier {
                              name: "AB"
                            }
                          }
                        }
                      }
                    }
                  }
                  fields {
                    binding_pattern {
                      name: "_"
                      type {
                        expression_pattern {
                          expression {
                            identifier {
                              name: "AB"
                            }
                          }
                        }
                      }
                    }
                  }
                  fields {
                    binding_pattern {
                      name: "_"
                      type {
                        expression_pattern {
                          expression {
                            identifier {
                              name: "AB"
                            }
                          }
                        }
                      }
                    }
                  }
                  fields {
                    binding_pattern {
                      name: "_"
                      type {
                        expression_pattern {
                          expression {
                            identifier {
                              name: "AB"
                            }
                          }
                        }
                      }
                    }
                  }
                  fields {
                    binding_pattern {
                      name: "_"
                      type {
                        expression_pattern {
                          expression {
                            identifier {
                              name: "AB"
                            }
                          }
                        }
                      }
                    }
                  }
                  fields {
                    binding_pattern {
                      name: "_"
                      type {
                        expression_pattern {
                          expression {
                            identifier {
                              name: "AB"
                            }
                          }
                        }
                      }
                    }
                  }
                  fields {
                    expression_pattern {
                      expression {
                        call {
                          function {
                            simple_member_access {
                              field: "B"
                              object {
                                identifier {
                                  name: "AB"
                                }
                              }
                            }
                          }
                          argument {
                            tuple_literal {
                            }
                          }
                        }
                      }
                    }
                  }
                }
              }
              statement {
                block {
                  statements {
                    return_expression_statement {
                      expression {
                        int_literal {
                          value: 17
                        }
                      }
                    }
                  }
                }
              }
            }
          }
        }
      }
    }
  }
}