Round corner without clipsToBounds

round.m

//  Clips the bottom left corner to a radius
CGSize cornerSize = CGSizeMake(10,10);
UIBezierPath *roundRectMaskPath = [UIBezierPath bezierPathWithRoundedRect:view.bounds 
                                                        byRoundingCorners:UIRectCornerBottomLeft
                                                              cornerRadii:cornerSize];
CAShapeLayer *roundRectMaskLayer = [CAShapeLayer layer];

roundRectMaskLayer.frame = self.view.bounds;
roundRectMaskLayer.path = roundRectMaskPath.CGPath;

view.layer.mask = roundRectMaskLayer;