<html>
<head>
<base href="https://bugs.llvm.org/">
</head>
<body><table border="1" cellspacing="0" cellpadding="8">
<tr>
<th>Bug ID</th>
<td><a class="bz_bug_link
bz_status_NEW "
title="NEW - -Wunused-private-field on member accessed via template parameter"
href="https://bugs.llvm.org/show_bug.cgi?id=47717">47717</a>
</td>
</tr>
<tr>
<th>Summary</th>
<td>-Wunused-private-field on member accessed via template parameter
</td>
</tr>
<tr>
<th>Product</th>
<td>clang
</td>
</tr>
<tr>
<th>Version</th>
<td>trunk
</td>
</tr>
<tr>
<th>Hardware</th>
<td>PC
</td>
</tr>
<tr>
<th>OS</th>
<td>Linux
</td>
</tr>
<tr>
<th>Status</th>
<td>NEW
</td>
</tr>
<tr>
<th>Severity</th>
<td>normal
</td>
</tr>
<tr>
<th>Priority</th>
<td>P
</td>
</tr>
<tr>
<th>Component</th>
<td>C++
</td>
</tr>
<tr>
<th>Assignee</th>
<td>unassignedclangbugs@nondot.org
</td>
</tr>
<tr>
<th>Reporter</th>
<td>ed@catmur.co.uk
</td>
</tr>
<tr>
<th>CC</th>
<td>blitzrakete@gmail.com, dgregor@apple.com, erik.pilkington@gmail.com, llvm-bugs@lists.llvm.org, richard-llvm@metafoo.co.uk
</td>
</tr></table>
<p>
<div>
<pre>#include <concepts>
class C {
int i; // warning: private field 'i' is not used [-Wunused-private-field]
public:
int f(std::derived_from<C> auto& other) { return ++other.i; }
};
<a href="https://godbolt.org/z/zoYKc7">https://godbolt.org/z/zoYKc7</a>
clang version 12.0.0 (<a href="https://github.com/llvm/llvm-project.git">https://github.com/llvm/llvm-project.git</a>
88c9162c9d47ef43a505bc5301dc626f3cd4f437)
Not sure whether this is valid, but it'd be nice if this was regarded as a
possible use of C::i.
nb. the derived_from is not necessary to exhibit the issue, but demonstrates
motivation.</pre>
</div>
</p>
<hr>
<span>You are receiving this mail because:</span>
<ul>
<li>You are on the CC list for the bug.</li>
</ul>
</body>
</html>