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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 - Clang doesn't allow constexpr values of user-defined literal types to be used in lambdas without being captured"
   href="https://bugs.llvm.org/show_bug.cgi?id=38962">38962</a>
          </td>
        </tr>

        <tr>
          <th>Summary</th>
          <td>Clang doesn't allow constexpr values of user-defined literal types to be used in lambdas without being captured
          </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>Windows NT
          </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>-New Bugs
          </td>
        </tr>

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

        <tr>
          <th>Reporter</th>
          <td>heavenandhell171@gmail.com
          </td>
        </tr>

        <tr>
          <th>CC</th>
          <td>llvm-bugs@lists.llvm.org
          </td>
        </tr></table>
      <p>
        <div>
        <pre>Tests taken from: <a href="https://github.com/SephDB/constexpr-format#compiler-support">https://github.com/SephDB/constexpr-format#compiler-support</a>

void testNativeLiteralType() {
    //Compiles fine
    constexpr int n = 0;
    auto D = []{return n;};
    constexpr auto x = D();
}

//Obviously literal type
struct A {
    int a = 0;
};

void testNonNativeLiteralType() {
    //Doesn't compile on clang
    constexpr auto n = A{};
    auto D = []{return n;};
    constexpr auto x = D();
}

Clang: <a href="https://godbolt.org/z/ECxj4p">https://godbolt.org/z/ECxj4p</a>
GCC: <a href="https://godbolt.org/z/aTiqrx">https://godbolt.org/z/aTiqrx</a></pre>
        </div>
      </p>


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