|  | library /*isNonNullableByDefault*/; | 
|  | // | 
|  | // Problems in library: | 
|  | // | 
|  | // pkg/front_end/testcases/value_class/copy_with_call_sites.dart:20:21: Error: The parameter 'bar' can't have a value of 'null' because of its type 'int', but the implicit default value is 'null'. | 
|  | // Try adding either an explicit non-'null' default value or the 'required' modifier. | 
|  | //   Foo copyWith({int bar, int bar2}) { | 
|  | //                     ^^^ | 
|  | // | 
|  | // pkg/front_end/testcases/value_class/copy_with_call_sites.dart:20:30: Error: The parameter 'bar2' can't have a value of 'null' because of its type 'int', but the implicit default value is 'null'. | 
|  | // Try adding either an explicit non-'null' default value or the 'required' modifier. | 
|  | //   Foo copyWith({int bar, int bar2}) { | 
|  | //                              ^^^^ | 
|  | // | 
|  | // pkg/front_end/testcases/value_class/copy_with_call_sites.dart:21:15: Error: Too many positional arguments: 0 allowed, but 2 found. | 
|  | // Try removing the extra positional arguments. | 
|  | //     return Foo(bar, bar2); | 
|  | //               ^ | 
|  | // pkg/front_end/testcases/value_class/copy_with_call_sites.dart:19:3: Context: Found this candidate, but the arguments don't match. | 
|  | //   Foo({this.bar, this.bar2}); | 
|  | //   ^^^ | 
|  | // | 
|  | // pkg/front_end/testcases/value_class/copy_with_call_sites.dart:29:20: Error: No named parameter with the name 'numberOfWhiskers'. | 
|  | //  Cat cat = new Cat(numberOfWhiskers: 20, numberOfLegs: 4); | 
|  | //                    ^^^^^^^^^^^^^^^^ | 
|  | // pkg/front_end/testcases/value_class/copy_with_call_sites.dart:13:7: Context: The class 'Cat' has a constructor that takes no arguments. | 
|  | // class Cat extends Animal { | 
|  | //       ^ | 
|  | // | 
|  | // pkg/front_end/testcases/value_class/copy_with_call_sites.dart:35:29: Error: The method 'copyWith' isn't defined for the class 'Object'. | 
|  | //  - 'Object' is from 'dart:core'. | 
|  | // Try correcting the name to the name of an existing method, or defining a method named 'copyWith'. | 
|  | //  Cat cat4 = (cat as Object).copyWith(numberOfWhiskers: 4); | 
|  | //                             ^^^^^^^^ | 
|  | // | 
|  | // pkg/front_end/testcases/value_class/copy_with_call_sites.dart:43:10: Error: Non-nullable variable 'a' must be assigned before it can be used. | 
|  | //  A a2 = (a as dynamic).copyWith(x: 42, y: 42) as A; | 
|  | //          ^ | 
|  | // | 
|  | // pkg/front_end/testcases/value_class/copy_with_call_sites.dart:14:14: Error: Final field 'numberOfWhiskers' is not initialized. | 
|  | // Try to initialize the field in the declaration or in every constructor. | 
|  | //   final int? numberOfWhiskers; | 
|  | //              ^^^^^^^^^^^^^^^^ | 
|  | // | 
|  | import self as self; | 
|  | import "dart:core" as core; | 
|  | import "value_class_support_lib.dart" as val; | 
|  |  | 
|  | import "org-dartlang-testcase:///value_class_support_lib.dart"; | 
|  |  | 
|  | class Animal extends core::Object { | 
|  | final field core::int? numberOfLegs; | 
|  | constructor •({required core::int? numberOfLegs = #C1}) → self::Animal | 
|  | : self::Animal::numberOfLegs = numberOfLegs, super core::Object::•() | 
|  | ; | 
|  | } | 
|  | class Cat extends self::Animal { | 
|  | final field core::int? numberOfWhiskers = null; | 
|  | synthetic constructor •({required core::int? numberOfWhiskers, core::int? numberOfLegs}) → self::Cat | 
|  | : self::Cat::numberOfWhiskers = numberOfWhiskers, super self::Animal::•(numberOfLegs) | 
|  | ; | 
|  | operator /*isLegacy*/ ==(core::Object other) → core::bool | 
|  | return other is self::Cat && this.{self::Animal::numberOfLegs}{core::int?} =={core::num::==}{(core::Object) → core::bool} other{self::Cat}.{self::Animal::numberOfLegs}{core::int?} && this.{self::Cat::numberOfWhiskers}{core::int?} =={core::num::==}{(core::Object) → core::bool} other{self::Cat}.{self::Cat::numberOfWhiskers}{core::int?}; | 
|  | get /*isLegacy*/ hashCode() → core::int | 
|  | return val::JenkinsSmiHash::finish(val::JenkinsSmiHash::combine(val::JenkinsSmiHash::combine("org-dartlang-testcase:///copy_with_call_sites.dartCat".{core::String::hashCode}{core::int}, this.{self::Animal::numberOfLegs}{core::int?}.{core::num::hashCode}{core::int}), this.{self::Cat::numberOfWhiskers}{core::int?}.{core::num::hashCode}{core::int})); | 
|  | method /*isLegacy*/ toString() → core::String | 
|  | return "Cat(numberOfLegs: ${this.{self::Animal::numberOfLegs}{core::int?}.{core::int::toString}(){() → core::String}}, numberOfWhiskers: ${this.{self::Cat::numberOfWhiskers}{core::int?}.{core::int::toString}(){() → core::String}})"; | 
|  | method /*isLegacy*/ copyWith({core::int? numberOfLegs, core::int? numberOfWhiskers}) → dynamic | 
|  | return new self::Cat::•(numberOfLegs: numberOfLegs, numberOfWhiskers: numberOfWhiskers); | 
|  | } | 
|  | class Foo extends core::Object { | 
|  | field core::int? bar; | 
|  | field core::int? bar2; | 
|  | constructor •({core::int? bar = #C1, core::int? bar2 = #C1}) → self::Foo | 
|  | : self::Foo::bar = bar, self::Foo::bar2 = bar2, super core::Object::•() | 
|  | ; | 
|  | method copyWith({core::int bar = #C1, core::int bar2 = #C1}) → self::Foo { | 
|  | return invalid-expression "pkg/front_end/testcases/value_class/copy_with_call_sites.dart:21:15: Error: Too many positional arguments: 0 allowed, but 2 found. | 
|  | Try removing the extra positional arguments. | 
|  | return Foo(bar, bar2); | 
|  | ^"; | 
|  | } | 
|  | } | 
|  | class A extends core::Object { | 
|  | synthetic constructor •() → self::A | 
|  | : super core::Object::•() | 
|  | ; | 
|  | operator /*isLegacy*/ ==(core::Object other) → core::bool | 
|  | return other is self::A; | 
|  | get /*isLegacy*/ hashCode() → core::int | 
|  | return val::JenkinsSmiHash::finish("org-dartlang-testcase:///copy_with_call_sites.dartA".{core::String::hashCode}{core::int}); | 
|  | method /*isLegacy*/ toString() → core::String | 
|  | return "A()"; | 
|  | method /*isLegacy*/ copyWith() → dynamic | 
|  | return new self::A::•(); | 
|  | } | 
|  | static method main() → dynamic { | 
|  | self::Cat cat = invalid-expression "pkg/front_end/testcases/value_class/copy_with_call_sites.dart:29:20: Error: No named parameter with the name 'numberOfWhiskers'. | 
|  | Cat cat = new Cat(numberOfWhiskers: 20, numberOfLegs: 4); | 
|  | ^^^^^^^^^^^^^^^^"; | 
|  | self::Cat cat2 = (cat as{ForNonNullableByDefault} dynamic){dynamic}.copyWith(numberOfWhiskers: 4) as{ForNonNullableByDefault} self::Cat; | 
|  | self::Cat cat3 = (((cat as{ForNonNullableByDefault} dynamic){dynamic}.copyWith(numberOfWhiskers: 4) as{ForNonNullableByDefault} self::Cat) as{ForNonNullableByDefault} dynamic){dynamic}.copyWith(numberOfLegs: 3) as{ForNonNullableByDefault} self::Cat; | 
|  | self::Cat cat4 = invalid-expression "pkg/front_end/testcases/value_class/copy_with_call_sites.dart:35:29: Error: The method 'copyWith' isn't defined for the class 'Object'. | 
|  | - 'Object' is from 'dart:core'. | 
|  | Try correcting the name to the name of an existing method, or defining a method named 'copyWith'. | 
|  | Cat cat4 = (cat as Object).copyWith(numberOfWhiskers: 4); | 
|  | ^^^^^^^^" in (cat as{ForNonNullableByDefault} core::Object){<unresolved>}.copyWith(numberOfWhiskers: 4) as{TypeError,ForDynamic,ForNonNullableByDefault} self::Cat; | 
|  | self::Cat cat5 = (cat as{ForNonNullableByDefault} dynamic){dynamic}.copyWith() as{ForNonNullableByDefault} self::Cat; | 
|  | self::Cat cat6 = (cat as{ForNonNullableByDefault} dynamic){dynamic}.copyWith(numberOfWhiskers: 4, numberOfHorns: 5) as{ForNonNullableByDefault} self::Cat; | 
|  | self::A a; | 
|  | self::A a2 = (invalid-expression "pkg/front_end/testcases/value_class/copy_with_call_sites.dart:43:10: Error: Non-nullable variable 'a' must be assigned before it can be used. | 
|  | A a2 = (a as dynamic).copyWith(x: 42, y: 42) as A; | 
|  | ^" in a as{ForNonNullableByDefault} dynamic){dynamic}.copyWith(x: 42, y: 42) as{ForNonNullableByDefault} self::A; | 
|  | self::Foo foo = new self::Foo::•(bar: 4, bar2: 5); | 
|  | self::Foo foo2 = (foo as{ForNonNullableByDefault} dynamic){dynamic}.copyWith(bar: 4) as{ForNonNullableByDefault} self::Foo; | 
|  | } | 
|  |  | 
|  | library /*isNonNullableByDefault*/; | 
|  | import self as val; | 
|  | import "dart:core" as core; | 
|  |  | 
|  | class JenkinsSmiHash extends core::Object { | 
|  | synthetic constructor •() → val::JenkinsSmiHash | 
|  | : super core::Object::•() | 
|  | ; | 
|  | static method combine(core::int hash, core::int value) → core::int { | 
|  | hash = 536870911.{core::int::&}(hash.{core::num::+}(value){(core::num) → core::int}){(core::int) → core::int}; | 
|  | hash = 536870911.{core::int::&}(hash.{core::num::+}(524287.{core::int::&}(hash){(core::int) → core::int}.{core::int::<<}(10){(core::int) → core::int}){(core::num) → core::int}){(core::int) → core::int}; | 
|  | return hash.{core::int::^}(hash.{core::int::>>}(6){(core::int) → core::int}){(core::int) → core::int}; | 
|  | } | 
|  | static method finish(core::int hash) → core::int { | 
|  | hash = 536870911.{core::int::&}(hash.{core::num::+}(67108863.{core::int::&}(hash){(core::int) → core::int}.{core::int::<<}(3){(core::int) → core::int}){(core::num) → core::int}){(core::int) → core::int}; | 
|  | hash = hash.{core::int::^}(hash.{core::int::>>}(11){(core::int) → core::int}){(core::int) → core::int}; | 
|  | return 536870911.{core::int::&}(hash.{core::num::+}(16383.{core::int::&}(hash){(core::int) → core::int}.{core::int::<<}(15){(core::int) → core::int}){(core::num) → core::int}){(core::int) → core::int}; | 
|  | } | 
|  | } | 
|  | static const field core::String valueClass = #C2; | 
|  |  | 
|  | constants  { | 
|  | #C1 = null | 
|  | #C2 = "valueClass" | 
|  | } |