Example: https://jsfiddle.net/gingur/u0h2rjae/1/

When generating **child context** with a stateless Component, the context is not available to the children.

);
        }
      }
    }
    if (__DEV__) {
      warning(
        shouldUpdate !== undefined,
        '%s.shouldComponentUpdate(): Returned undefined instead of a ' +
        'boolean value. Make sure to return true or false.',
        this.getName() || 'ReactCompositeComponent'
      );
    }
    this._updateBatchNumber = null;
    if (shouldUpdate) {
      this._pendingForceUpdate = false;
      
      this._performComponentUpdate(
        nextParentElement,
        nextProps,
        nextState,
        nextContext,
        transaction,
        nextUnmaskedContext
      );
    } else {
      
      
      this._currentElement = nextParentElement;
      this._context = nextUnmaskedContext;
      inst.props = nextProps;