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Jon Ross-Perkins
9be6939ee9
We've been having issues with asan builds on linux. This change should fix all of that. A build run can be found at: https://github.com/carbon-language/carbon-lang/actions/runs/3093378863/jobs/5005683059 (currently in progress, but I'm expecting it to succeed at this point) It may be that the issues with asan builds were actually related to caching. That is, maybe the brew build command didn't change enough between v14 and v15 that the cache hits were still an issue. We did notice this with 15.0.0 versus 15.0.1 include paths (that is, bazel wasn't happy using the cached results of a 15.0.0 build due to the skew in include paths). In order to address this, I've added CACHE_VERSION to the remote_cache setup. I've also set up corresponding buckets in Cloud. However, I'm also switching Linux to llvm-15 and apt. I'd originally been looking at this because the issues were linux-specific, and we've previously had linux-specific issues with Homebrew. Although it may have been the cache all along, I would prefer to keep this setup (if nothing else, it made the caching issues more obvious, even though we were still confused by the include path manifestation).