tree af4a7fdad9aa841e74d9f13b6e82309885f0a77f
parent 804c38c68551dcf869059ecff684982df3ebd440
author Kostya Kortchinsky <kostyak@google.com> 1623865911 -0700
committer Copybara-Service <copybara-worker@google.com> 1623893127 -0700

[scudo] Ensure proper allocator alignment in TSD test

The `MockAllocator` used in `ScudoTSDTest` wasn't allocated
properly aligned, which resulted in the `TSDs` of the shared
registry not being aligned either. This lead to some failures
like: https://reviews.llvm.org/D103119#2822008

This changes how the `MockAllocator` is allocated, same as
Vitaly did in the combined tests, properly aligning it, which
results in the `TSDs` being aligned as well.

Add a `DCHECK` in the shared registry to check that it is.

Differential Revision: https://reviews.llvm.org/D104402

GitOrigin-RevId: 8b062b61606270950645d73b68036c9ab2c7c4bc