[Bug 1123588] Re: [4.7 Regression] wrong code with the fix for PR53844

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On 2013-02-12T23:56:05+00:00 Doko-v wrote:

works with 4.6 branch, 4.7.2 and the trunk. introduced in r195708 by the
fix for PR53844.

I don't have a reduced testcase yet. the unreduced test case is that the
upstart build in Ubuntu raring hangs in the testsuite with:

  Testing job_deserialise() ptrace handling
  BAD: wrong value for job->goal, expected 1 got 0
   at tests/test_job.c:7331 (deserialise_ptrace_next).

still trying to isolate the failure.

afaics, it is not architecture specific.

Even if backports are tested together, it would help if independent
patches could be committed separately to the branches.

Reply at:
https://bugs.launchpad.net/ubuntu/+source/gcc-4.7/+bug/1123588/comments/0


** Changed in: gcc
       Status: Unknown => New

** Changed in: gcc
   Importance: Unknown => Medium

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https://bugs.launchpad.net/bugs/1123588

Title:
   [4.7 Regression] wrong code with the fix for PR53844

Status in The GNU Compiler Collection:
  New
Status in “gcc-4.7” package in Ubuntu:
  New
Status in “upstart” package in Ubuntu:
  New

Bug description:
  seen with -21ubuntu1, not with -20ubuntu1, reverting the fix for
  PR53844 avoids the issue.

  I think we need a reproducer in upstart, which doesn't just hang.

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