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<a href="https://gitlab.rtems.org/sebhub">Sebastian Huber</a> created a merge request: <a href="https://gitlab.rtems.org/rtems/rtos/rtems/-/merge_requests/296">!296</a>
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Project:Branches: sebhub/rtems:fix-atomics-for-c++20 to rtems/rtos/rtems:main
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Author: Sebastian Huber
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Assignee: Sebastian Huber
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<a href="#summary" aria-hidden="true" class="anchor" id="user-content-summary" style="margin-top: 0; float: left; margin-left: -20px; text-decoration: none; outline: none;"></a>Summary</h2>
<p dir="auto" style="color: #28272d; margin: 0 0 16px;" align="initial">score: Use normal integers for C++ atomic objects</p>
<p dir="auto" style="color: #28272d; margin: 0 0 16px;" align="initial">Since C++20 there is no longer a default constructor available for
atomic objects. See:</p>
<p dir="auto" style="color: #28272d; margin: 0 0 16px;" align="initial"><a href="https://www.open-std.org/jtc1/sc22/wg21/docs/papers/2019/p0883r2.pdf" rel="nofollow noreferrer noopener" target="_blank" style="margin-top: 0;">https://www.open-std.org/jtc1/sc22/wg21/docs/papers/2019/p0883r2.pdf</a></p>
<p dir="auto" style="color: #28272d; margin: 0 0 16px;" align="initial"><a href="https://gcc.gnu.org/bugzilla/show_bug.cgi?id=117475" rel="nofollow noreferrer noopener" target="_blank" style="margin-top: 0;">https://gcc.gnu.org/bugzilla/show_bug.cgi?id=117475</a></p>
<p dir="auto" style="color: #28272d; margin: 0 0 16px;" align="initial">We already assume that an atomic integer can be stored in a normal
integer and has the same representation in C and C++.</p>
<p dir="auto" style="color: #28272d; margin: 0;" align="initial">Update <a href="https://gitlab.rtems.org/rtems/rtos/rtems/-/issues/5145" data-reference-type="issue" data-original="#5145" data-link="false" data-link-reference="false" data-issue="28659" data-project="26" data-iid="5145" data-namespace-path="rtems/rtos/rtems" data-project-path="rtems/rtos/rtems" data-issue-type="issue" data-container="body" data-placement="top" title="confdefs.h fails to compile when included in C++20 source" class="gfm gfm-issue" style="margin-top: 0;">#5145</a>.</p>
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