library #lib /*isNonNullableByDefault*/;
import self as self;
import "dart:core" as core;
import "package:expect/expect.dart" as exp;
import "dart:_internal" as _in;
import "dart:math" as math;

import "dart:math";
import "package:expect/expect.dart";

class A extends core::Object {
  synthetic constructor •() → self::A
    : super core::Object::•()
    ;
[@vm.procedure-attributes.metadata=methodOrSetterCalledDynamically:false,getterCalledDynamically:false,hasThisUses:false,hasTearOffUses:false,methodOrSetterSelectorId:1,getterSelectorId:2]  @#C3
  method foo([@vm.inferred-type.metadata=int?] core::int? x) → void
    return [@vm.inferred-type.metadata=dart.core::Null? (value: null)] exp::Expect::isTrue([@vm.direct-call.metadata=dart.core::_IntegerImplementation.isOdd] [@vm.inferred-type.metadata=dart.core::bool] x!.{core::int::isOdd}{core::bool});
}
class B extends core::Object {
  synthetic constructor •() → self::B
    : super core::Object::•()
    ;
[@vm.procedure-attributes.metadata=methodOrSetterCalledDynamically:false,getterCalledDynamically:false,hasThisUses:false,hasTearOffUses:false,methodOrSetterSelectorId:1,getterSelectorId:2]  @#C3
  method foo([@vm.inferred-type.metadata=int] core::int? x) → void
    return [@vm.inferred-type.metadata=dart.core::Null? (value: null)] exp::Expect::isTrue([@vm.direct-call.metadata=dart.core::_IntegerImplementation.isOdd] [@vm.inferred-type.metadata=dart.core::bool] _in::unsafeCast<core::int>(x).{core::int::isOdd}{core::bool});
}
class C extends self::A implements self::B {
  synthetic constructor •() → self::C
    : super self::A::•()
    ;
}
[@vm.inferred-type.metadata=dart.core::bool?]static final field core::bool alwaysFalse = [@vm.inferred-type.metadata=dart.core::bool] [@vm.inferred-type.metadata=int?] core::int::parse("1") =={core::num::==}{(core::Object) → core::bool} 2;
static method main() → dynamic {
  final math::Random r = [@vm.inferred-type.metadata=dart.math::_Random] math::Random::•();
  if([@vm.inferred-type.metadata=dart.core::bool?] self::alwaysFalse) {
    [@vm.direct-call.metadata=#lib::A.foo] [@vm.inferred-type.metadata=!? (skip check)] new self::A::•().{self::A::foo}([@vm.direct-call.metadata=dart.math::_Random.nextInt] [@vm.inferred-type.metadata=int (skip check)] r.{math::Random::nextInt}(10){(core::int) → core::int}){(core::int?) → void};
    [@vm.direct-call.metadata=#lib::B.foo] [@vm.inferred-type.metadata=!? (skip check)] new self::B::•().{self::B::foo}([@vm.direct-call.metadata=dart.math::_Random.nextInt] [@vm.inferred-type.metadata=int (skip check)] r.{math::Random::nextInt}(10){(core::int) → core::int}){(core::int?) → void};
    [@vm.direct-call.metadata=#lib::A.foo] [@vm.inferred-type.metadata=!? (skip check)] new self::A::•().{self::A::foo}(null){(core::int?) → void};
  }
  final core::List<self::B> l = [@vm.inferred-type.metadata=dart.core::_GrowableList<#lib::B>] core::_GrowableList::_literal2<self::B>(new self::B::•(), new self::C::•());
  {
    core::Iterator<self::B> :sync-for-iterator = [@vm.direct-call.metadata=dart.core::_GrowableList.iterator] [@vm.inferred-type.metadata=dart._internal::ListIterator<#lib::B>] l.{core::Iterable::iterator}{core::Iterator<self::B>};
    for (; [@vm.direct-call.metadata=dart._internal::ListIterator.moveNext] [@vm.inferred-type.metadata=dart.core::bool (skip check)] :sync-for-iterator.{core::Iterator::moveNext}(){() → core::bool}; ) {
      self::B b = [@vm.direct-call.metadata=dart._internal::ListIterator.current] :sync-for-iterator.{core::Iterator::current}{self::B};
      {
        b.{self::B::foo}(13){(core::int?) → void};
      }
    }
  }
}
constants  {
  #C1 = "vm:never-inline"
  #C2 = null
  #C3 = core::pragma {name:#C1, options:#C2}
}