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https://issues.apache.org/jira/browse/STDCXX-665?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Travis Vitek updated STDCXX-665:
--------------------------------
Attachment: stdcxx-665.patch
A slightly modified version of the above testcase exposed the answer, but the
behavior is still inconsistent with the AIX documentation for catopen(). The
documentation says "The NLSPATH environment variable defines the directory
search path. When this variable is used, the setlocale subroutine must be
called before the catopen subroutine." I found that adding a call to
setlocale(LC_ALL, "C") in there isn't enough, and it won't work. You have to
set the locale to some non-classic locale. It doesn't really matter which one
you use, but it is required that he locale be set to something other than "C".
So now the question is what do I do about this? The options I see are...
1. add a note to the documentation mentioning the limitation.
2. work around the issue and call setlocale() in the test with some known
locale on AIX.
3. add an expected failure for this test.
4. modify the messages<T>::open() function to temporarily set the locale so
that the call will have a chance of succeeding?
I think option 4 is totally out. It would not be thread safe, and selecting an
appropriate locale could be problematic. I don't really like option 3 all that
much either, because there is no way to indicate that we expect two assertion
failures, and we have no way to tag those specific failures. This could
potentially hide regressions.
So that leaves me with options 1 and 2, or some combination of them. I'm
attaching a patch for review. It doesn't include any documentation changes. If
it is determined that a documentation change is necessary, I'll update the
patch for that.
> [IBM XLC++ 9.0/AIX 5.3] 22.locale.messages fails with assertions
> ----------------------------------------------------------------
>
> Key: STDCXX-665
> URL: https://issues.apache.org/jira/browse/STDCXX-665
> Project: C++ Standard Library
> Issue Type: Bug
> Components: Tests
> Affects Versions: 4.2.0
> Reporter: Travis Vitek
> Assignee: Travis Vitek
> Fix For: 4.2.1
>
> Attachments: stdcxx-665.patch
>
>
> Currently only single threaded builds show this problem
> NAME STATUS WARN ASSERTS FAILED PERCNT USER
> SYS REAL
> 22.locale.messages 0 0 268 106 60% 0.090
> 0.640 3.960
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