Please incorporate gcc 4.8 revision 209515

[Mauricio Faria de Oliveira]

From another, less public, bug:

Text by Bill Schmidt:

A GCC bug was found in the little endian vector API that affects use of the vec_mergeh and vec_mergel interfaces when VSX is enabled (this is the default for Power8). These interfaces produce the wrong results for 4x32 vector types (vector int of either signedness, vector float). The upstream patch fixes this issue.

(bug internally reported by Thierry Fauck; fixed upstream by Bill Schmidt.)

SVN revision in FSF 4.8 branch: 209515
http://gcc.gnu.org/viewcvs/gcc?view=revision&revision=209515

[Launchpad Janitor (janitor)]

Status changed to 'Confirmed' because the bug affects multiple users.

[Matthias Klose (doko)]

fixed in utopic

[Launchpad Janitor (janitor)]

This bug was fixed in the package gccgo-4.9 - 4.9.1-0ubuntu1

---------------
gccgo-4.9 (4.9.1-0ubuntu1) trusty-proposed; urgency=medium

  * Upload the final GCC 4.9.1 release.
  * Merge changes from gcc-4.9 4.9.0-2ubuntu1, including:
    - Fix PR go/60931, garbage collector issue with non 4kB system page size.
      LP: #1304754.
    - Fix wrong-code issue in the little endian vector API (ppc64el).
      LP: #1311128.
    - Fix ABI incompatibility between POWER and Z HTM builtins and intrinsics.
      LP: #1320292.
    - Fix an ICE with invalid code. PR c++/61046. LP: #1313102.
    - gccgo: Don't overwrite memory if an archive has a bad file name.
  * Include the cc1 binary into the gccgo-4.9 package.
  * Do not build-depend on sdt-systemtap for the trusty upload.
  * Warn about ppc ELFv2 ABI issues, which will change in GCC 4.10.
 -- Matthias Klose <email address hidden> Thu, 17 Jul 2014 15:51:15 +0200

[Steve Langasek (vorlon)]

The verification of the Stable Release Update for gccgo-4.9 has completed successfully and the package has now been released to -updates. Subsequently, the Ubuntu Stable Release Updates Team is being unsubscribed and will not receive messages about this bug report. In the event that you encounter a regression using the package from -updates please report a new bug using ubuntu-bug and tag the bug report regression-update so we can easily find any regressions.

[Steve Langasek (vorlon)]

Hello Mauricio, or anyone else affected,

Accepted gcc-4.8 into trusty-proposed. The package will build now and be available at https://launchpad.net/ubuntu/+source/gcc-4.8/4.8.4-2ubuntu1~14.04 in a few hours, and then in the -proposed repository.

Please help us by testing this new package. See https://wiki.ubuntu.com/Testing/EnableProposed for documentation how to enable and use -proposed. Your feedback will aid us getting this update out to other Ubuntu users.

If this package fixes the bug for you, please add a comment to this bug, mentioning the version of the package you tested, and change the tag from verification-needed to verification-done. If it does not fix the bug for you, please add a comment stating that, and change the tag to verification-failed. In either case, details of your testing will help us make a better decision.

Further information regarding the verification process can be found at https://wiki.ubuntu.com/QATeam/PerformingSRUVerification . Thank you in advance!

[Mauricio Faria de Oliveira (mfo)]

Thanks, Steve.
I forwarded the request internally.

[Peter Bergner (pbergner)]

Verified fixed in gcc version 4.8.4 (Ubuntu 4.8.4-2ubuntu1~14.04).

[Launchpad Janitor (janitor)]

This bug was fixed in the package gcc-4.8 - 4.8.4-2ubuntu1~14.04

---------------
gcc-4.8 (4.8.4-2ubuntu1~14.04) trusty-proposed; urgency=medium

  * SRU LP: #1311866.
  * Fix PR tree-optimization/63341 (wrong code, rs6000).
  * Allow to turn off -Wformat using Wno-format. LP: #1401836.
  * Fix PR target/60693 (x86, ice on valid code). LP: #1378737.
  * Fix PR tree-optimization/61964 (wrong code). LP: #1347147.
  * Fix GCC miscompilation with boost::asio::io_service::work. LP: #1338693.
  * Fix PR target/61208 (POWER, wrong code). LP: #1322287.
  * Fix ABI incompatibility between POWER and Z HTM builtins and intrinsics.
    LP: #1320292.
  * Fix PR c++/61046 (ice on invalid code). LP: #1313102.
  * Fix wrong-code issue in the little endian vector API (ppc64el).
    LP: #1311128.
  * Fix PR tree-optimization/59358 (wrong code). LP: #1395019.
  * Fix ice on ARM32. LP: #1268893.
  * Don't apply the backport for PR61841 for trusty, causing link failures.
  * Fix wrong code for vector doubleword extract (POWER). LP: #1437467.

gcc-4.8 (4.8.4-2ubuntu1) vivid; urgency=medium

  * Merge with Debian; remaining changes:
    - Build from the upstream source.

gcc-4.8 (4.8.4-2) unstable; urgency=medium

  * Update to SVN 20150426 (r222448) from the gcc-4_8-branch.
    - Fix PR libstdc++/60966, PR c/61553, PR middle-end/63704,
      PR target/61413 (ARM), PR target/64358 (RS6000), PR target/64479 (SH),
      PR target/64409 (x86), PR rtl-optimization/64037, PR c++/64487,
      PR c++/64251, PR c++/64297, PR fortran/63733, PR fortran/64244,
      PR c/64766, PR target/64882, PR rtl-optimization/61058,
      PR middle-end/43631, PR tree-optimization/64563, PR target/64513,
      PR middle-end/57748, PR middle-end/57748, PR target/64795,
      PR fortran/64528, PR fortran/56867, PR fortran/57023, PR c/57653,
      PR tree-optimization/63844 (OpenMP), PR middle-end/64199 (ice on valid),
      PR tree-optimization/64493 (ice on valid), PR tree-optimization/64495
      (wrong code), PR tree-optimization/56273 (diagnostics),
      PR tree-optimization/59124 (diagnostic), PR tree-optimization/64277
      (diagnostic), PR lto/65015, PR target/65163 (SH), PR target/64113 (ALPHA,
      link failure), PR rtl-optimization/64557, PR rtl-optimization/63475
      (ALPHA, wrong code), PR rtl-optimization/63483 (ALPHA, wrong code),
      PR target/64452 (AVR), PR target/64387 (x86, ice on valid),
      PR target/64979 (wrong code), PR target/64580 (rs6000),
      PR fortran/63744 (rejects valid), PR lto/65193 (ice on valid),
      PR tree-optimization/61634 (ice on valid), PR target/65196 (AVR),
      PR tree-optimization/63593 (ice on valid),
      PR tree-optimization/65063 (wrong code), PR target/65286 (rs6000),
      PR 65138/target (rs6000), PR target/53988 (SH), PR target/59593 (ARM),
      PR target/64453 (ARM), PR middle-end/65409 (ice on valid),
      PR tree-optimization/65388, PR fortran/65024 (ice),
      PR fortran/60898 (ice on valid), PR fortran/61138, PR libgfortran/60956,
      PR libstdc++/65279, PR libstdc++/65543, PR target/65849, PR target/65456,
      PR target/65787, PR c++/65727, PR c++/65721, PR fortran/56674,
      PR fortran/58813, PR fortran/590...

[Steve Langasek (vorlon)]

Hello Mauricio, or anyone else affected,

Accepted gccgo-4.9 into trusty-proposed. The package will build now and be available at https://launchpad.net/ubuntu/+source/gccgo-4.9/4.9.3-0ubuntu4 in a few hours, and then in the -proposed repository.

Please help us by testing this new package. See https://wiki.ubuntu.com/Testing/EnableProposed for documentation how to enable and use -proposed. Your feedback will aid us getting this update out to other Ubuntu users.

If this package fixes the bug for you, please add a comment to this bug, mentioning the version of the package you tested, and change the tag from verification-needed to verification-done. If it does not fix the bug for you, please add a comment stating that, and change the tag to verification-failed. In either case, details of your testing will help us make a better decision.

Further information regarding the verification process can be found at https://wiki.ubuntu.com/QATeam/PerformingSRUVerification . Thank you in advance!

[Steve Langasek (vorlon)]

This change was already included in the previous sru of gccgo-4.9, 4.9.1-0ubuntu1; no re-verification is required.