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      <base href="https://bugs.llvm.org/">
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    <body><table border="1" cellspacing="0" cellpadding="8">
        <tr>
          <th>Bug ID</th>
          <td><a class="bz_bug_link 
          bz_status_NEW "
   title="NEW - Crash when trying to get layout information of undeductible auto type"
   href="https://bugs.llvm.org/show_bug.cgi?id=40813">40813</a>
          </td>
        </tr>

        <tr>
          <th>Summary</th>
          <td>Crash when trying to get layout information of undeductible auto type
          </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>libclang
          </td>
        </tr>

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

        <tr>
          <th>Reporter</th>
          <td>emilio@crisal.io
          </td>
        </tr>

        <tr>
          <th>CC</th>
          <td>klimek@google.com, llvm-bugs@lists.llvm.org, richard-llvm@metafoo.co.uk
          </td>
        </tr></table>
      <p>
        <div>
        <pre><a href="https://github.com/rust-lang-nursery/rust-bindgen">https://github.com/rust-lang-nursery/rust-bindgen</a> crashes when ran on:

class BrowsingContext {
  auto Tie(void* aUnused) const;
};

When trying to call getSizeOf on the auto type.

LLVM asserts:

/home/emilio/src/llvm-project/clang/lib/AST/ASTContext.cpp:2052:
clang::TypeInfo clang::ASTContext::getTypeInfoImpl(const clang::Type *) const:
Assertion `!A->getDeducedType().isNull() && "cannot request the size of an
undeduced or dependent auto type"' failed.

Got a patch, just figuring out how to write a test :)</pre>
        </div>
      </p>


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