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    <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-template false positive when template not ODR-used"
   href="https://bugs.llvm.org/show_bug.cgi?id=41184">41184</a>
          </td>
        </tr>

        <tr>
          <th>Summary</th>
          <td>Wunused-template false positive when template not ODR-used
          </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>enhancement
          </td>
        </tr>

        <tr>
          <th>Priority</th>
          <td>P
          </td>
        </tr>

        <tr>
          <th>Component</th>
          <td>Frontend
          </td>
        </tr>

        <tr>
          <th>Assignee</th>
          <td>unassignedclangbugs@nondot.org
          </td>
        </tr>

        <tr>
          <th>Reporter</th>
          <td>david@doublewise.net
          </td>
        </tr>

        <tr>
          <th>CC</th>
          <td>llvm-bugs@lists.llvm.org, neeilans@live.com, richard-llvm@metafoo.co.uk
          </td>
        </tr></table>
      <p>
        <div>
        <pre>The following code triggers Wunused-template:



#include <type_traits>

namespace {

template<typename T>
auto f() -> T;

static_assert(std::is_same_v<int, decltype(f<int>())>);

} // namespace




When compiled as clang++ -std=c++17 -Wunused-template



See it live: <a href="https://godbolt.org/z/1UooFs">https://godbolt.org/z/1UooFs</a></pre>
        </div>
      </p>


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