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https://issues.apache.org/jira/browse/PROTON-2972?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=18116222#comment-18116222
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ASF subversion and git services commented on PROTON-2972:
---------------------------------------------------------

Commit 5586eb3694d4c5b95125dd350a4e5cea6280cbd6 in qpid-proton's branch 
refs/heads/main from Andrew Stitcher
[ https://gitbox.apache.org/repos/asf?p=qpid-proton.git;h=5586eb369 ]

PROTON-2972: Stop recent clang++ warning about __COUNTER__

This is used in Catch2 tests to create unique names.


> Recent versions of clang++ warn about Catch2 use of __COUNTER__
> ---------------------------------------------------------------
>
>                 Key: PROTON-2972
>                 URL: https://issues.apache.org/jira/browse/PROTON-2972
>             Project: Qpid Proton
>          Issue Type: Bug
>          Components: build, proton-c
>         Environment: Clang++ 22
>            Reporter: Andrew Stitcher
>            Priority: Major
>             Fix For: proton-c-0.41.0
>
>
> It seems that since this has been proposed for C++26, Clang produces a 
> warning if it is used in strict compile modes for earlier standards.
> Gcc does not complain, presumably because it is an almost universally 
> supported preprocessor feature. Clang previously it didn't complain either.



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