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<th>Bug ID</th>
<td><a class="bz_bug_link
bz_status_NEW "
title="NEW - Template argument deduction not allowed in template parameter"
href="https://bugs.llvm.org/show_bug.cgi?id=47841">47841</a>
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<th>Summary</th>
<td>Template argument deduction not allowed in template parameter
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<th>Product</th>
<td>clang
</td>
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<th>Version</th>
<td>11.0
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<th>Hardware</th>
<td>PC
</td>
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<th>OS</th>
<td>Windows NT
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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>C++2a
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<th>Assignee</th>
<td>unassignedclangbugs@nondot.org
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<th>Reporter</th>
<td>dudkindaniilm2@yandex.ru
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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><a href="https://godbolt.org/z/W8s74M">https://godbolt.org/z/W8s74M</a>
#include <array>
template <std::array Arr>
struct Foo {
};
<source>:3:11: error: use of class template 'array' requires template
arguments; argument deduction not allowed in template parameter
template <std::array Arr>
^~~
But latest C++20 draft says otherwise [temp.arg.nontype.1]:
<a href="http://eel.is/c++draft/temp.arg.nontype#1">http://eel.is/c++draft/temp.arg.nontype#1</a></pre>
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