#32053: Tor Browser bundles based on Firefox 68 ESR are not reproducible (LLVM optimization issue) -------------------------------------------------+------------------------- Reporter: gk | Owner: tbb- | team Type: defect | Status: new Priority: Immediate | Milestone: Component: Applications/Tor Browser | Version: Severity: Critical | Resolution: Keywords: TorBrowserTeam201911, tbb-9.0-must, | Actual Points: tbb-9.0-issues, tbb-regression, | tbb-9.0.1-can, GeorgKoppen201911 | Parent ID: | Points: Reviewer: | Sponsor: -------------------------------------------------+-------------------------
Comment (by gk): Replying to [comment:37 alexcrichton]: > Oh for `llvm-extract` I used the `-rfunc` argument which is a regex instead of an exact name, like so: `llvm-extract before.bc -rfunc=17h5949677e2a2fd343E -o before-extract.bc` Thanks, that helped. However, I've tried to repro just doing the `-jump- threading` pass thousands of times on the same machine (kernel, glibc etc.), with the same clang version, essentially with the same script, as I reproduce the bug when running *all* the passes up to and including the problematic `-jump-threading` one: but I don't hit the bug that way, which seems to reproduce my results from comment:30. I wonder what we are missing here. -- Ticket URL: <https://trac.torproject.org/projects/tor/ticket/32053#comment:38> Tor Bug Tracker & Wiki <https://trac.torproject.org/> The Tor Project: anonymity online
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