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Use == operator for shared_ptr nullptr comparison #9465

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anand1976
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From C++ 20 onwards, the != operator is not supported for a shared_ptr.
So switch to using ==.

Test Plan:
make check

Summary:
From C++ 20 onwards, the != operator is not supported for a shared_ptr.
So switch to using ==.

Test Plan:
make check

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Should we change in CI to use clang13 with -std=C++20?

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@anand1976 has imported this pull request. If you are a Meta employee, you can view this diff on Phabricator.

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Should we change in CI to use clang13 with -std=C++20?

Yes, that's a good idea. Internally, Meta is moving to platform-010, so we'll likely run into more such issues.

anand1976 pushed a commit that referenced this pull request Jan 28, 2022
Summary:
From C++ 20 onwards, the != operator is not supported for a shared_ptr.
So switch to using ==.

Pull Request resolved: #9465

Test Plan: make check

Reviewed By: riversand963

Differential Revision: D33850596

Pulled By: anand1976

fbshipit-source-id: eec16d1aa6c39a315ec2d44d233d7518f9c1ddcb
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3 participants