library /*isNonNullableByDefault*/;
//
// Problems in library:
//
// pkg/front_end/testcases/nnbd/type_constraint_solving_closures_in_upper_and_lower_bounds.dart:15:14: Error: A value of type 'int' can't be assigned to a variable of type 'String'.
//   String s = x; // Should be an error, `T` should be int.
//              ^
//
import self as self;
import "dart:core" as core;

class C<X extends core::Object? = dynamic> extends core::Object {
  constructor •((self::C::X%) → void x) → self::C<self::C::X%>
    : super core::Object::•()
    ;
}
static method check<T extends core::Object? = dynamic>(self::C<core::List<self::check::T%>> f) → self::check::T% {
  return let Null #t1 = null in #t1.==(null) ?{self::check::T%} #t1 as{ForNonNullableByDefault} self::check::T% : #t1{self::check::T%};
}
static method test() → void {
  core::int x = self::check<core::int>(new self::C::•<core::List<core::int>>((core::List<core::int> x) → void {}));
  core::String s = let final Never #t2 = invalid-expression "pkg/front_end/testcases/nnbd/type_constraint_solving_closures_in_upper_and_lower_bounds.dart:15:14: Error: A value of type 'int' can't be assigned to a variable of type 'String'.
  String s = x; // Should be an error, `T` should be int.
             ^" in x as{TypeError,ForNonNullableByDefault} core::String;
}
static method main() → dynamic {}


Extra constant evaluation status:
Evaluated: MethodInvocation @ org-dartlang-testcase:///type_constraint_solving_closures_in_upper_and_lower_bounds.dart:10:3 -> BoolConstant(true)
Evaluated: VariableGet @ org-dartlang-testcase:///type_constraint_solving_closures_in_upper_and_lower_bounds.dart:10:15 -> NullConstant(null)
Evaluated: VariableGet @ org-dartlang-testcase:///type_constraint_solving_closures_in_upper_and_lower_bounds.dart:10:3 -> NullConstant(null)
Extra constant evaluation: evaluated: 12, effectively constant: 3