[clang][cas] Work around -cc1 sandbox violations#12110
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After llvm#174653, some CAS tests started failing with sandbox violations. This PR works around these.
The
CompileJobCache::maybeIngestNonVirtualOutputFromFileSystem()function already contains this FIXME:So adding another FIXME for the sandbox disablement itself felt redundant.
The sandbox disablements around the dependency scanner server/daemon infrastructure are obviously not formal inputs/outputs of the compiler, so I didn't feel the need to mark those with FIXMEs or other comments.
However, the many sandbox disablements in
cc1depscan_main.cppmake me question whether we should just disable sandbox once at the start ofcc1depscan_main()and only re-enable it when entering into the scanner.