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[HWASan] Disable stack, globals and force callbacks for x86_64.

Authored by morehouse on Mar 22 2021, 8:01 AM.

Description

[HWASan] Disable stack, globals and force callbacks for x86_64.

Subsequent patches will implement page-aliasing mode for x86_64, which
will initially only work for the primary heap allocator. We force
callback instrumentation to simplify the initial aliasing
implementation.

Reviewed By: vitalybuka, eugenis

Differential Revision: https://reviews.llvm.org/D98069

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