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From "Martin Sebor (JIRA)" <j...@apache.org>
Subject [jira] Commented: (STDCXX-796) [gcc 4.1.1] many -Winline warnings
Date Sun, 06 Apr 2008 23:52:24 GMT

    [ https://issues.apache.org/jira/browse/STDCXX-796?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12586209#action_12586209
] 

Martin Sebor commented on STDCXX-796:
-------------------------------------

As a data point: in a 12D build of stdcxx with gcc 3.4.6 there are a total of 17,569 of  these
warnings. Only 121 of them are distinct (most are repeated occurrences pointing to the same
piece of code), Of these 68 are in the library headers.

> [gcc 4.1.1] many -Winline warnings
> ----------------------------------
>
>                 Key: STDCXX-796
>                 URL: https://issues.apache.org/jira/browse/STDCXX-796
>             Project: C++ Standard Library
>          Issue Type: Bug
>          Components: Build
>    Affects Versions: 4.2.0
>         Environment: gcc 4.1.1
>            Reporter: Martin Sebor
>             Fix For: 4.2.2
>
>   Original Estimate: 24h
>  Remaining Estimate: 24h
>
> Optimized builds with recent versions of gcc produce thousands of inlining warnings.
See:
> {noformat}
> $ gunzip -c linux_redhat_el-5.0-em64t-gcc-4.1.1-12d-639851-log.gz | grep "inlining failed"
| wc -l
> 4191
> {noformat}
> We should at least make an effort to silence those coming out of library headers (e.g.,
by applying {{#pragma GCC system_header}} but we might want to review them first to see if
they could be used to optimize our code.

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