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…but for ASAN/TSAN, use a hack: a 1.82.0 nightly commit that tolerates `unsafe extern` blocks, but doesn't break our current toolchain patches. We also remove the `host_or_target_str` check in `build/moz.configure/toolchain.configure`, at @glandium's suggestion. To quote him: > [This] essentially undoes bug 1806040 but that bug predates other > linker related changes, and I think the discrepancy host/target is not > necessary anymore. Differential Revision: https://phabricator.services.mozilla.com/D236028