tree 9caf334f3d7ba71c74060e9efdaba040c19ecc1f
parent 7d76cbd6bdd4cd5951e4c02d91c1e9a3e35c391e
author Geoffrey Martin-Noble <gcmn@google.com> 1594919451 -0700
committer GitHub <noreply@github.com> 1594919451 -0700
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Turn on -Wall and copy diagnostic set from Google toolchain (#2541)

We already pass with all of these, but haven't had them enabled in OSS
builds. Rather than piecemeal enabling warnings, let's just turn ~all
of them on. This is pretty much the set used at Google (+/-, it's spread 
across quite a few files so difficult to track everything down), so
this also reduces maintainer pain encountering these errors on import.

This will avoid having to do this one at a time like in
https://github.com/google/iree/pull/2296 and
https://github.com/google/iree/pull/2294 and
https://github.com/google/iree/pull/2513