[Bug 1462052] Re: timezone handling regression in glibc 2.21

[Marc Deslauriers]

Weird:

vivid amd64:
$ TZ="PST+8PDT" date --date="2006-07-15 13:30 +0500"
Sat Jul 15 01:30:00 PDT 2006
$ TZ="PST8PDT" date --date="2006-07-15 13:30 +0500"
Sat Jul 15 01:30:00 PDT 2006

vivid i386:
$ TZ="PST+8PDT" date --date="2006-07-15 13:30 +0500"
Sat Jul 15 00:30:00 PST 2006
$ TZ="PST8PDT" date --date="2006-07-15 13:30 +0500"
Sat Jul 15 01:30:00 PDT 2006

utopic i386:
$ TZ="PST+8PDT" date --date="2006-07-15 13:30 +0500"
Sat Jul 15 01:30:00 PDT 2006
$ TZ="PST8PDT" date --date="2006-07-15 13:30 +0500"
Sat Jul 15 01:30:00 PDT 2006

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https://bugs.launchpad.net/bugs/1462052

Title:
  timezone handling regression in glibc 2.21

Status in glibc package in Ubuntu:
  New

Bug description:
  A regression in the zic utility in vivid's glibc 2.21 is causing
  weirdness in the tzdata package when used on i386:

  vivid amd64:
  $ TZ="PST+8PDT" date --date="2006-07-15 13:30 +0500"
  Sat Jul 15 01:30:00 PDT 2006

  vivid i386:
  $ TZ="PST+8PDT" date --date="2006-07-15 13:30 +0500"
  Sat Jul 15 00:30:00 PST 2006

  utopic i386:
  $ TZ="PST+8PDT" date --date="2006-07-15 13:30 +0500"
  Sat Jul 15 01:30:00 PDT 2006

  This is causing the test-parse-date.t test in the mercurial package to
  fail, causing a FTBFS.

  ProblemType: Bug
  DistroRelease: Ubuntu 15.04
  Package: libc6 2.21-0ubuntu4
  ProcVersionSignature: Ubuntu 3.19.0-20.20-generic 3.19.8
  Uname: Linux 3.19.0-20-generic x86_64
  ApportVersion: 2.17.2-0ubuntu1.1
  Architecture: amd64
  CurrentDesktop: Unity
  Date: Thu Jun  4 14:24:00 2015
  Dependencies:
   gcc-5-base 5.1~rc1-0ubuntu1
   libc6 2.21-0ubuntu4
   libgcc1 1:5.1~rc1-0ubuntu1
   multiarch-support 2.21-0ubuntu4
  InstallationDate: Installed on 2013-11-26 (554 days ago)
  InstallationMedia: Ubuntu 13.10 "Saucy Salamander" - Release amd64 (20131016.1)
  SourcePackage: glibc
  UpgradeStatus: Upgraded to vivid on 2015-03-07 (89 days ago)

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