<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 - ICE in explicit instantiation of generic lambda operator()"
   href="https://bugs.llvm.org/show_bug.cgi?id=48250">48250</a>
          </td>
        </tr>

        <tr>
          <th>Summary</th>
          <td>ICE in explicit instantiation of generic lambda operator()
          </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>All
          </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>C++2a
          </td>
        </tr>

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

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

        <tr>
          <th>CC</th>
          <td>blitzrakete@gmail.com, erik.pilkington@gmail.com, llvm-bugs@lists.llvm.org, richard-llvm@metafoo.co.uk
          </td>
        </tr></table>
      <p>
        <div>
        <pre>The index sequence seemed necessary to trigger the ICE.

<span class="quote">> #include <utility>

> int main() {
>     auto inner = []<std::size_t... Is>() { return 0; };
>     auto outer = [&]<std::size_t... Is>(std::index_sequence<Is...>) {
>         return inner.template operator()<Is...>();
>     };
>     return outer(std::make_index_sequence<5>());
> }</span >

<a href="https://godbolt.org/z/njK79P">https://godbolt.org/z/njK79P</a></pre>
        </div>
      </p>


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