[hwasan] An LLVM flag to disable stack tag randomization.

Authored by eugenis on Fri, Jan 12, 5:17 PM.

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eugenis created this revision.Fri, Jan 12, 5:17 PM

Generated code is not great with this flag. If performance was a goal, some things could be done differently.
I've tried to share as much code with with the randomized-tags path as possible.

alekseyshl accepted this revision.Fri, Jan 12, 5:29 PM
This revision is now accepted and ready to land.Fri, Jan 12, 5:29 PM
This revision was automatically updated to reflect the committed changes.
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