Remove incorrect DCHECKS
authorDave Watson <davejwatson@fb.com>
Tue, 7 Nov 2017 15:38:44 +0000 (07:38 -0800)
committerFacebook Github Bot <facebook-github-bot@users.noreply.github.com>
Tue, 7 Nov 2017 15:56:04 +0000 (07:56 -0800)
commit897877b826bf39211ef62a1172aa192efb54f4a2
tree06d94824ef12df027d15c214ed97c634db57b755
parenta77fea17099fba84cb98a6bcc0aa2404defd8054
Remove incorrect DCHECKS

Summary:
While the returned iterators are always 'valid' and can be read and iterated from,
they may still be concurrently erased from the map.  Current erase(iter) has DCHECKS that assert we can always
erase an iterator, but it may have already been removed.

Reviewed By: davidtgoldblatt

Differential Revision: D6221382

fbshipit-source-id: 70b21f53e2fc3daa126df4fb60bc5d3ecb253c71
folly/concurrency/detail/ConcurrentHashMap-detail.h
folly/concurrency/test/ConcurrentHashMapTest.cpp