<html>
    <head>
      <base href="https://llvm.org/bugs/" />
    </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 --- - Exceptions of type pointer to member whose class type is incomplete are not correctly handled"
   href="https://llvm.org/bugs/show_bug.cgi?id=25898">25898</a>
          </td>
        </tr>

        <tr>
          <th>Summary</th>
          <td>Exceptions of type pointer to member whose class type is incomplete are not correctly handled
          </td>
        </tr>

        <tr>
          <th>Product</th>
          <td>libc++abi
          </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>normal
          </td>
        </tr>

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

        <tr>
          <th>Component</th>
          <td>All Bugs
          </td>
        </tr>

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

        <tr>
          <th>Reporter</th>
          <td>david.majnemer@gmail.com
          </td>
        </tr>

        <tr>
          <th>CC</th>
          <td>llvm-bugs@lists.llvm.org, mclow.lists@gmail.com
          </td>
        </tr>

        <tr>
          <th>Classification</th>
          <td>Unclassified
          </td>
        </tr></table>
      <p>
        <div>
        <pre>consider:

#include <stdio.h>

struct S;
void f();

#ifndef DEF_S
void f() { throw (int S::*)nullptr; }
#else
struct S {};

int main() {
  try {
    f();
  } catch (int S::*) {
    printf("caught it!\n");
  }
}
#endif

run with:
~/llvm/Debug+Asserts/bin/clang++ -c -stdlib=libc++ -std=c++11 d.cpp -o a.o
~/llvm/Debug+Asserts/bin/clang++ -c -stdlib=libc++ -DDEF_S d.cpp -o b.o
-std=c++11
~/llvm/Debug+Asserts/bin/clang++ a.o b.o -o t -stdlib=libc++

ISTM that libc++abi isn't comparing the NTBS when __incomplete_class_mask is
set in the __pointer_to_member_type_info.</pre>
        </div>
      </p>
      <hr>
      <span>You are receiving this mail because:</span>
      
      <ul>
          <li>You are on the CC list for the bug.</li>
      </ul>
    </body>
</html>