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<th>Bug ID</th>
<td><a class="bz_bug_link
bz_status_NEW "
title="NEW - Clang accepts concept definition with syntax error"
href="https://bugs.llvm.org/show_bug.cgi?id=49695">49695</a>
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<th>Summary</th>
<td>Clang accepts concept definition with syntax error
</td>
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<th>Product</th>
<td>clang
</td>
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<th>Version</th>
<td>trunk
</td>
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<th>Hardware</th>
<td>PC
</td>
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<th>OS</th>
<td>All
</td>
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<th>Status</th>
<td>NEW
</td>
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<th>Severity</th>
<td>enhancement
</td>
</tr>
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<th>Priority</th>
<td>P
</td>
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<th>Component</th>
<td>C++2a
</td>
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<th>Assignee</th>
<td>unassignedclangbugs@nondot.org
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<th>Reporter</th>
<td>hewillk@gmail.com
</td>
</tr>
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<th>CC</th>
<td>blitzrakete@gmail.com, erik.pilkington@gmail.com, llvm-bugs@lists.llvm.org, richard-llvm@metafoo.co.uk
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<p>
<div>
<pre>template <typename T>
concept C = requires {
requires { true; };
};
<a href="https://godbolt.org/z/d5x9s78hK">https://godbolt.org/z/d5x9s78hK</a>
This code should not be compiled since '{ true; };' is not a
constraint-expression.</pre>
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