anchor.diff:    static int method() => 0;
     //         ^^^^^^
     // [analyzer] COMPILE_TIME_ERROR.EXTENSION_CONFLICTING_STATIC_AND_INSTANCE
  -  // [cfe] unspecified
     void set method(int value) {}
  +  //       ^^^^^^
  +  // [cfe] unspecified
   }
   
   // Check an instance method colliding with a static getter.
  
positive.code:   static int method() => 0;
    //         ^^^^^^
    // [analyzer] COMPILE_TIME_ERROR.EXTENSION_CONFLICTING_STATIC_AND_INSTANCE
    // [cfe] unspecified
    int get method => 1;
  }
  
  // Check a static method colliding with an instance setter.
  
negative.code:   static int field2 = 3;
    //         ^^^^^^
    // [analyzer] COMPILE_TIME_ERROR.EXTENSION_CONFLICTING_STATIC_AND_INSTANCE
  
    int method() => 0;
    //  ^^^^^^
    // [cfe] unspecified
    int get property => 1;
    //      ^^^^^^^^
    // [cfe] unspecified
    void set property(int value) {}
    //       ^^^^^^^^
    // [cfe] unspecified
    void set property2(int value) {}
    //       ^^^^^^^^^
    // [cfe] unspecified
    int get property3 => 1;
    //      ^^^^^^^^^
    // [cfe] unspecified
    void set field(int value) {}
    //       ^^^^^
    // [cfe] unspecified
    int get field2 => 1;
    //      ^^^^^^
    // [cfe] unspecified
  }
  
  // Check a static method colliding with a static getter.
  