<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 - lldb unable to demangle enable_if attributes"
   href="https://bugs.llvm.org/show_bug.cgi?id=33572">33572</a>
          </td>
        </tr>

        <tr>
          <th>Summary</th>
          <td>lldb unable to demangle enable_if attributes
          </td>
        </tr>

        <tr>
          <th>Product</th>
          <td>lldb
          </td>
        </tr>

        <tr>
          <th>Version</th>
          <td>unspecified
          </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>All Bugs
          </td>
        </tr>

        <tr>
          <th>Assignee</th>
          <td>lldb-dev@lists.llvm.org
          </td>
        </tr>

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

        <tr>
          <th>CC</th>
          <td>llvm-bugs@lists.llvm.org
          </td>
        </tr></table>
      <p>
        <div>
        <pre>__attribute__ ((__enable_if__(true, ""))) int foo() {
  return 0;
}

int main()
{
  return foo();
}

Compiling with

Apple LLVM version 8.1.0 (clang-802.0.42)
Target: x86_64-apple-darwin16.6.0
Thread model: posix

generates a symbol of

_Z3fooUa9enable_ifIXLb1EEEv

for foo

which lldb cannot demangle.

See <a class="bz_bug_link 
          bz_status_NEW "
   title="NEW - c++ filt unable to demangle enable_if attributes"
   href="show_bug.cgi?id=33569">https://bugs.llvm.org/show_bug.cgi?id=33569</a> for associated bug for the llvm
demangler.</pre>
        </div>
      </p>


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