Tooltip is not cleared for empty value if placeholder is there

[KarthikaMurugesh]

Prerequisites

• I have searched for similar issues in both open and closed tickets and cannot find a duplicate
• The issue still exists against the latest master branch of Select2
• This is not a usage question (Those should be directed to the community)
• I have attempted to find the simplest possible steos to reproduce the issue
• I have included a failing test as a pull request (Optional)

Steps to reproduce the issue

1. Enable placeholder for dropdown

2. select a value

3. Clear the value and check tooltip

Expected behavior and actual behavior

When I follow those steps, I see...
Previous selected value is in tooltip
I was expecting...
No tooltip in that case

Environment

Browsers

• Google Chrome
• Mozilla Firefox
• Internet Explorer

Operating System

• Windows
• Mac OS X
• Linux
• Mobile

Libraries

• jQuery version:
• Select2 version:

Isolating the problem

• This bug happens on the examples page
• The bug happens consistently across all tested browsers
• This bug happens when using Select2 without other pluigns
• I can reproduce this bug in a jsbin

[alexweissman]

#4746 has been merged into the 4.0.6-rc.0 pre-release.