Open Radar

 
Summary:
When creating a custom UIButton and setting its titleLabel text to a string, after setting it to an empty string `@""` or to nil button.titleLabel.text returns the previous value

Steps to Reproduce:
1.create a UIButton
UIButton *button = [UIButton buttonWithType:UIButtonTypeCustom];
2.Set its value to a string
[button setTitle:TITLE forState:UIControlStateNormal];
3.button.titleLabel.text returns the correct value
4.Set its value to an empty string `@""` or `nil` or `NULL`
[button setTitle:@"" forState:UIControlStateNormal];
[button setTitle:nil forState:UIControlStateNormal];
[button setTitle:NULL forState:UIControlStateNormal];
5.button.titleLabel.text returns the previous value, button.titleLabel.text.length returns the previous value.

Expected Results:
I would like for button.titleLabel.text.length return the correct length (0) instead of the value for the previous title that was set.
I would like for button.titleLabel.text to return an empty string or a nil

Actual Results:
button.titleLabel.text.length returns the previous length
button.titleLabel.text returns the previous title text

Version:
iOS 7,6, probably every single iOS 

Notes:


Configuration:
Xcode