Bug#754998: Compiling ANGLE with gcc 4.9 breaks WebGL (Browser Segfault)

[Anthony DeRobertis]

Package: iceweasel
Version: 30.0-2
Severity: grave

Trying to access maps.google.com, I get a segfault which very much looks
like a known (and now fixed) issue in ANGLE:

   https://code.google.com/p/angleproject/issues/detail?id=651
   https://bugzilla.mozilla.org/show_bug.cgi?id=1025576

I'm attaching the backtrace. Also, going to attempt a build that
patch to confirm it goes away, but that will take a bit of course.

-- Package-specific info:

-- System Information:
Debian Release: jessie/sid
  APT prefers testing
  APT policy: (500, 'testing'), (200, 'unstable'), (150, 'stable'), (100, 'experimental')
Architecture: amd64 (x86_64)
Foreign Architectures: i386

Kernel: Linux 3.15.5-p+ (SMP w/8 CPU cores)
Locale: LANG=en_US.UTF-8, LC_CTYPE=en_US.UTF-8 (charmap=UTF-8)
Shell: /bin/sh linked to /bin/dash

Versions of packages iceweasel depends on:
ii  debianutils               4.4
ii  fontconfig                2.11.0-5
ii  libasound2                1.0.28-1
ii  libatk1.0-0               2.12.0-1
ii  libc6                     2.19-7
ii  libcairo2                 1.12.16-2
ii  libdbus-1-3               1.8.6-1
ii  libdbus-glib-1-2          0.102-1
ii  libevent-2.0-5            2.0.21-stable-1
ii  libffi6                   3.1-2
ii  libfontconfig1            2.11.0-5
ii  libfreetype6              2.5.2-1
ii  libgcc1                   1:4.9.0-7
ii  libgdk-pixbuf2.0-0        2.30.7-1
ii  libglib2.0-0              2.40.0-3
ii  libgtk2.0-0               2.24.24-1
ii  libhunspell-1.3-0         1.3.3-1
ii  libnspr4                  2:4.10.6-1
ii  libnss3                   2:3.16.1-1
ii  libpango-1.0-0            1.36.3-1
ii  libsqlite3-0              3.8.5-2
ii  libstartup-notification0  0.12-3
ii  libstdc++6                4.9.0-7
ii  libvpx1                   1.3.0-2
ii  libx11-6                  2:1.6.2-2
ii  libxext6                  2:1.3.2-1
ii  libxrender1               1:0.9.8-1
ii  libxt6                    1:1.1.4-1
ii  procps                    1:3.3.9-5
ii  zlib1g                    1:1.2.8.dfsg-1

iceweasel recommends no packages.

Versions of packages iceweasel suggests:
ii  fonts-mathjax          2.4-1
ii  fonts-oflb-asana-math  000.907-6
ii  fonts-stix [otf-stix]  1.1.1-1
ii  libcanberra0           0.30-2
ii  libgnomeui-0           2.24.5-3
ii  libgssapi-krb5-2       1.12.1+dfsg-4
pn  mozplugger             <none>
ii  otf-stix               1.1.1-1

-- no debconf information
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