This allows operating systems to insist on IBT enforcement as an exploit mitigation mechanism without needing to make an exception for anything using a bundled boringssl, such as chrome, mono, and qtwebengine. Change-Id: Iac28dd3d2af177b89ffde10ae97bce23739feb94 Reviewed-on: https://boringssl-review.googlesource.com/c/boringssl/+/60625 Reviewed-by: Adam Langley <agl@google.com> Commit-Queue: Bob Beck <bbe@google.com> Reviewed-by: David Benjamin <davidben@google.com>