|  | library; | 
|  | import self as self; | 
|  | import "dart:core" as core; | 
|  |  | 
|  | class C extends core::Object { | 
|  | synthetic constructor •() → void | 
|  | : super core::Object::•() | 
|  | ; | 
|  | abstract set x(dynamic value) → void; | 
|  | } | 
|  | static method test(self::C c) → void { | 
|  | c.{self::C::x} = 1; | 
|  | let final self::C #t1 = c in #t1.{self::C::x} = (let final dynamic #t2 = #t1 in let dynamic _ = null in invalid-expression "pkg/front_end/testcases/undefined_getter_in_compound_assignment.dart:13:33: Error: The getter 'x' isn't defined for the class '#lib1::C'. | 
|  | Try correcting the name to the name of an existing getter, or defining a getter or field named 'x'. | 
|  | c. /*@error=UndefinedGetter*/ x += 1; | 
|  | ^").+(1); | 
|  | let final self::C #t3 = c in (let final dynamic #t4 = #t3 in let dynamic _ = null in invalid-expression "pkg/front_end/testcases/undefined_getter_in_compound_assignment.dart:14:33: Error: The getter 'x' isn't defined for the class '#lib1::C'. | 
|  | Try correcting the name to the name of an existing getter, or defining a getter or field named 'x'. | 
|  | c. /*@error=UndefinedGetter*/ x ??= 1; | 
|  | ^").==(null) ?{dynamic} #t3.{self::C::x} = 1 : null; | 
|  | } | 
|  | static method main() → dynamic {} |