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Re: [tor-bugs] #32053 [Applications/Tor Browser]: Tor Browser bundles based on Firefox 68 ESR are not reproducible (LLVM optimization issue)

#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):

 Okay, some status update. Bisecting gets hard. I am down to building stylo
 with Rust 1.30.0 and am at LLVM's b1546da0e8849d58fcdcf17fa1f2fab0cdae70a4
 and have not reached the bottom yet. While exploring ways to move further
 here I'll investigate whether we can just move the `jump-threading`
 optimization out of `-O1`, say, into `-O3` so the we are actually do not
 use that one.

--
Ticket URL: <https://trac.torproject.org/projects/tor/ticket/32053#comment:43>
Tor Bug Tracker & Wiki <https://trac.torproject.org/>
The Tor Project: anonymity online

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