[tbb-bugs] #28238 [Applications/Tor Browser]: Use mingw-w64/clang toolchain to build Firefox

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#28238: Use mingw-w64/clang toolchain to build Firefox
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 Reporter:  gk                                   |          Owner:  tbb-
                                                 |  team
     Type:  defect                               |         Status:  new
 Priority:  High                                 |      Milestone:
Component:  Applications/Tor Browser             |        Version:
 Severity:  Normal                               |     Resolution:
 Keywords:  tbb-rbm, TorBrowserTeam201901,       |  Actual Points:
  GeorgKoppen201902                              |
Parent ID:  #29318                               |         Points:
 Reviewer:                                       |        Sponsor:
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Comment (by tom):

 x64 build: On first run; tor failed; noting:

 > 2/5/19, 16:46:34.346 [NOTICE] Bootstrapped 40% (loading_keys): Loading
 authority key certs
 > 2/5/19, 16:46:34.952 [WARN] ISO time "2019-02-05 16:00:00\r" was
 unparseable
 > 2/5/19, 16:46:34.952 [WARN] Unable to parse networkstatus consensus

 On second run (I ran firefox.exe directly but I don't think that mattered)
 it worked and I was able to load a website, youtube, play a video, and hit
 an onion site.

 x86 build: same problem with the authoritity certificates. On second run
 (this time I used the Start Tor Browser shortcut) it worked; again with a
 website, onion, and youtube. (I actually exited using IPv6 too!) I
 confirmed ASLR on the x86 build.

 All on Windows 10.

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Ticket URL: <https://trac.torproject.org/projects/tor/ticket/28238#comment:22>
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