[Bug 1527741] Re: oxide-qt 1.11.3-0ubuntu2 FTBFS on armhf due to compiler segfault

[Launchpad Bug Tracker]

This bug was fixed in the package gcc-5 - 5.3.1-4ubuntu1

---------------
gcc-5 (5.3.1-4ubuntu1) xenial; urgency=medium

  * Revert the Linaro backport for PR target/63870 (ARM32). LP:
#1527741.

gcc-5 (5.3.1-4) unstable; urgency=medium

  * Update to SVN 20151219 (r231847, 5.3.1) from the gcc-5-branch.
  * Fix cross-building without having the common cross libraries installed.
  * Update ada-m68k patch.
  * Allow unstripped, non-optimized debug builds with setting DEB_BUILD_OPTIONS
    including gccdebug.
  * Remove obsolete libgccmath packaging support.
  * Define SONAME macros whether the libraries are built or not.
  * Update the Linaro support to the 5-2015.12 snapshot (revert the backport
    for PR target/63870 (ARM32) causing regressions).
  * Set target tools and build dependencies for cross builds.
  * Build gdc on sh4.

 -- Matthias Klose <doko at ubuntu.com>  Sat, 19 Dec 2015 05:25:28 +0100

** Changed in: gcc-5 (Ubuntu)
       Status: Fix Committed => Fix Released

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https://bugs.launchpad.net/bugs/1527741

Title:
  oxide-qt 1.11.3-0ubuntu2 FTBFS on armhf due to compiler segfault

Status in gcc-5 package in Ubuntu:
  Fix Released
Status in oxide-qt package in Ubuntu:
  New

Bug description:
  We tried doing a no-change rebuild of oxide-qt 1.11.3-0ubuntu1
  (versioned as 1.11.3-0ubuntu2) and the build failed on armhf only. The
  reason is a compiler segfault:

  In file included from ../../../../third_party/chromium/src/third_party/webrtc/common_audio/signal_processing/downsample_fast_neon.c:13:0:
  /usr/lib/gcc/arm-linux-gnueabihf/5/include/arm_neon.h: In function 'WebRtcSpl_DownsampleFastNeon':
  /usr/lib/gcc/arm-linux-gnueabihf/5/include/arm_neon.h:6831:10: internal compiler error: Segmentation fault
  (...)

  Full log and build link here: https://launchpad.net/ubuntu/+source
  /oxide-qt/1.11.3-0ubuntu2/+build/8458995

  Looks like the previous oxide-qt successfully built version was built
  against gcc 5.2.1 while this time gcc 5.3.1 is used.

  This is critical for us to fix as multiple Ubuntu Touch landings are
  now blocked due to LP: #1527544 - and the no-change rebuild is
  required to fix the broken situation.

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