| library /*isNonNullableByDefault*/; | 
 | // | 
 | // Problems in library: | 
 | // | 
 | // pkg/front_end/testcases/general/issue37776.dart:11:7: Error: 'X' is already declared in this scope. | 
 | // class X { | 
 | //       ^ | 
 | // pkg/front_end/testcases/general/issue37776.dart:7:7: Context: Previous declaration of 'X'. | 
 | // class X { | 
 | //       ^ | 
 | // | 
 | import self as self; | 
 | import "dart:core" as core; | 
 |  | 
 | class X#1 extends core::Object /*hasConstConstructor*/  { | 
 |   const constructor foo() → self::X#1 | 
 |     : super core::Object::•() | 
 |     ; | 
 | } | 
 | class X extends core::Object /*hasConstConstructor*/  { | 
 |   const constructor foo() → self::X | 
 |     : super core::Object::•() | 
 |     ; | 
 | } | 
 | static method main() → void | 
 |   ; |