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https://issues.apache.org/jira/browse/STDCXX-742?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12584278#action_12584278
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vitek edited comment on STDCXX-742 at 4/1/08 1:06 PM:
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This is happening because we don't use the -qrtti=dynamiccast option. We
internally use a dynamic_cast to determine if the facet is of the correct
derived type, but if dynamic_cast isn't supported we use a C style cast, and
that returns bad results.
This case is essentially the same as STDCXX-664. We didn't add
-qrtti=dynamiccast back then, and we just worked around the issue in the test.
It seems to me that we should have added the flag. Would this be a binary
compatible change?
was (Author: vitek):
This is happening because we don't use the -qrtti=dynamiccast option. We
internally use a dynamic_cast to determine if the facet is of the correct
derived type, but if dynamic_cast isn't supported we use a C style cast, and
that returns bad results.
This case is essentially the same as STDCXX-644. We didn't add
-qrtti=dynamiccast back then, and we just worked around the issue in the test.
It seems to me that we should have added the flag. Would this be a binary
compatible change?
> [IBM XLC++ 9.0/AIX 5.3] 22.locale.messages fails with assertions
> ----------------------------------------------------------------
>
> Key: STDCXX-742
> URL: https://issues.apache.org/jira/browse/STDCXX-742
> Project: C++ Standard Library
> Issue Type: Bug
> Components: 22. Localization
> Affects Versions: 4.2.1
> Reporter: Travis Vitek
> Assignee: Travis Vitek
> Priority: Minor
> Fix For: 4.2.1
>
> Original Estimate: 3h
> Remaining Estimate: 3h
>
> This is an additional set of failures that remain after fixing the catopen()
> failure in STDCXX-665.
> {noformat}
> # ASSERTION (S7) (4 lines):
> # TEXT: has_fact<messages_byname<char> >(locale()) == false
> # CLAUSE: lib.category.messages
> # LINE: 320
> # ASSERTION (S7) (4 lines):
> # TEXT: use_fact<messages_byname<char> >(locale()) failed to throw
> # CLAUSE: lib.category.messages
> # LINE: 329
> # ASSERTION (S7) (4 lines):
> # TEXT: has_fact<messages_byname<char> >(locale("C")) == true
> # CLAUSE: lib.category.messages
> # LINE: 320
> # ASSERTION (S7) (4 lines):
> # TEXT: use_fact<messages_byname<char> >(locale("C")) failed to throw
> # CLAUSE: lib.category.messages
> # LINE: 329
> {noformat}
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