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[Chris Coulson <chris.coulson@xxxxxxxxxxxxx>]

Note, this bug isn't fixed but we have worked around it by building
Firefox with -fno-tree-pre, which disables the optimization that breaks
it.

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https://bugs.launchpad.net/bugs/1471949

Title:
  Firefox 39 crashes on startup or within a few seconds on Precise/x86

Status in firefox package in Ubuntu:
  Invalid
Status in firefox source package in Precise:
  Triaged

Bug description:
  This is blocking publication of Firefox 39.

  The build for x86 on 12.04 currently crashes on startup, or within a
  few seconds of startup. It's basically unusable. An example crash
  report is: https://crash-stats.mozilla.com/report/index/d0d97dbb-f6bc-
  4e4d-88ff-e5fff2150702.

  Unfortunately, despite the warning in the PPA description for
  https://launchpad.net/~ubuntu-mozilla-security/+archive/ubuntu/ppa,
  ordinary users are still installing pre-release packages from it.

  It works on all other releases and on Precise/x86-64. I did test
  Firefox 39 with this toolchain when it was still the nightly version
  whilst preparing the switch to GCC 4.8, and it worked fine.

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