[tbb-bugs] #17858 [Tor Browser]: Creating incremental MAR files for the hardened builds is broken

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#17858: Creating incremental MAR files for the hardened builds is broken
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 Reporter:  gk                                   |          Owner:  tbb-
     Type:  defect                               |  team
 Priority:  Medium                               |         Status:  new
Component:  Tor Browser                          |      Milestone:
 Severity:  Normal                               |        Version:
 Keywords:  tbb-gitian, tbb-hardened,            |     Resolution:
  TorBrowserTeam201512, GeorgKoppen201512        |  Actual Points:
Parent ID:                                       |         Points:
  Sponsor:                                       |
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Comment (by mcs):

 gk, please let me know if you need Kathy and me to look at this. I suppose
 the first step is to run the mbsdiff command under gdb and see what it is
 doing. It is possible that diffing libxul just causes a bunch of CPU and
 memory to be consumed, which is made much worse by ASan.

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Ticket URL: <https://trac.torproject.org/projects/tor/ticket/17858#comment:6>
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