anchor.diff:      var fnBody =
           js.call('this.noSuchMethod(new #.InvocationImpl.new(#, #, #))', [
         _runtimeModule,
  -      _declareMemberName(method, useDisplayName: false),
  +      _declareMemberName(method),
         positionalArgs,
         new JS.ObjectInitializer(invocationProps)
       ]);
  
positive.code: 
      // When generating synthetic names, we use _ as the prefix, since Dart names
      // won't have this (eliminated above), nor will static names reach here.
      if (!useDisplayName) {
        switch (name) {
          case '[]':
            name = '_get';
            break;
          case '[]=':
            name = '_set';
            break;
          case 'unary-':
            name = '_negate';
            break;
          case 'constructor':
          case 'prototype':
            name = '_$name';
            break;
        }
      }
  
      var result = _propertyName(name);
  
negative.code:   ///
    /// Unlike call sites, we always have an element available, so we can use it
    /// directly rather than computing the relevant options for [_emitMemberName].
    JS.Expression _declareMemberName(ExecutableElement e, {bool useExtension}) {
      var name = (e is PropertyAccessorElement) ? e.variable.name : e.name;
      return _emitMemberName(name,
          isStatic: e.isStatic,
          useExtension:
              useExtension ?? _extensionTypes.isNativeClass(e.enclosingElement));
    }
  
    /// This handles member renaming for private names and operators.
  