| library; | 
 | // | 
 | // Problems in library: | 
 | // | 
 | // pkg/front_end/testcases/regress/invalid_this_reference_07.dart:7:7: Error: Extension types can't declare instance fields | 
 | // Try removing the field declaration or making it a static field | 
 | //   var foo = this(); | 
 | //       ^^^ | 
 | // | 
 | // pkg/front_end/testcases/regress/invalid_this_reference_07.dart:7:13: Error: Expected identifier, but got 'this'. | 
 | //   var foo = this(); | 
 | //             ^^^^ | 
 | // | 
 | // pkg/front_end/testcases/regress/invalid_this_reference_07.dart:17:13: Error: The method 'call' isn't defined for the class 'FooClass'. | 
 | //  - 'FooClass' is from 'pkg/front_end/testcases/regress/invalid_this_reference_07.dart'. | 
 | // Try correcting the name to the name of an existing method, or defining a method named 'call'. | 
 | //   var foo = this(); | 
 | //             ^ | 
 | // | 
 | import self as self; | 
 | import "dart:core" as core; | 
 |  | 
 | class FooClass extends core::Object { | 
 |   field dynamic foo = invalid-expression "pkg/front_end/testcases/regress/invalid_this_reference_07.dart:17:13: Error: The method 'call' isn't defined for the class 'FooClass'. | 
 |  - 'FooClass' is from 'pkg/front_end/testcases/regress/invalid_this_reference_07.dart'. | 
 | Try correcting the name to the name of an existing method, or defining a method named 'call'. | 
 |   var foo = this(); | 
 |             ^" in this{<unresolved>}.call(); | 
 |   synthetic constructor •() → self::FooClass | 
 |     : super core::Object::•() | 
 |     ; | 
 |   method bar() → dynamic { | 
 |     return this; | 
 |   } | 
 | } | 
 | extension type Foo(dynamic d) { | 
 |   abstract extension-type-member representation-field get d() → dynamic; | 
 |   abstract extension-type-member representation-field get foo() → invalid-type; | 
 |   method bar = self::Foo|bar; | 
 |   method tearoff bar = self::Foo|get#bar; | 
 |   constructor • = self::Foo|constructor#; | 
 |   constructor tearoff • = self::Foo|constructor#_#new#tearOff; | 
 | } | 
 | static extension-type-member method Foo|constructor#(dynamic d) → self::Foo% /* erasure=dynamic, declared=! */ { | 
 |   lowered final self::Foo% /* erasure=dynamic, declared=! */ #this = d; | 
 |   return #this; | 
 | } | 
 | static extension-type-member method Foo|constructor#_#new#tearOff(dynamic d) → self::Foo% /* erasure=dynamic, declared=! */ | 
 |   return self::Foo|constructor#(d); | 
 | static extension-type-member method Foo|bar(lowered final self::Foo% /* erasure=dynamic, declared=! */ #this) → dynamic { | 
 |   return #this; | 
 | } | 
 | static extension-type-member method Foo|get#bar(lowered final self::Foo% /* erasure=dynamic, declared=! */ #this) → () → dynamic | 
 |   return () → dynamic => self::Foo|bar(#this); |