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<th>Bug ID</th>
<td><a class="bz_bug_link
bz_status_NEW "
title="NEW - Class member used in a member function has not yet been instantiated"
href="https://bugs.llvm.org/show_bug.cgi?id=47417">47417</a>
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<th>Summary</th>
<td>Class member used in a member function has not yet been instantiated
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<th>Product</th>
<td>new-bugs
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<th>Version</th>
<td>10.0
</td>
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<th>Hardware</th>
<td>PC
</td>
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<th>OS</th>
<td>Linux
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<th>Status</th>
<td>NEW
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<th>Severity</th>
<td>normal
</td>
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<th>Priority</th>
<td>P
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<th>Component</th>
<td>new bugs
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<th>Assignee</th>
<td>unassignedbugs@nondot.org
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<th>Reporter</th>
<td>lozanbt47@gmail.com
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<th>CC</th>
<td>htmldeveloper@gmail.com, llvm-bugs@lists.llvm.org
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<pre>Created <span class=""><a href="attachment.cgi?id=23927" name="attach_23927" title="Minimal case that describes the issue">attachment 23927</a> <a href="attachment.cgi?id=23927&action=edit" title="Minimal case that describes the issue">[details]</a></span>
Minimal case that describes the issue
If in a template class we have a constexpr member function which also has
'used' attribute, then in the function we cannot use member variables which are
declared below the member function. In such a case, we'll get the following
error:
error: no member 'X' in 'Y'; it has not yet been instantiated
If we move the declaration of the member variables above the function
definition, then everything works properly.
Also, if we remove constexpr or __attribute__((used)) then it works properly.</pre>
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