Bug overview description.
hassource:true -source:http
returns posts that don't have sources (neither now nor in the past)

What part(s) of the site page(s) are affected?
Search

What is the expected behavior?
the above search should only return posts that have sources

What actual behavior is given instead?
the above search returns posts like:
post #1461012
post #1460962

Time of incident (if applicable).
now

Can you reproduce the bug every time?
yes

What steps did you take to replicate this bug?
see above
Errors or other messages returned (if any).
none