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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 - Mismatched free vs. operator delete"
   href="https://bugs.llvm.org/show_bug.cgi?id=32957">32957</a>
          </td>
        </tr>

        <tr>
          <th>Summary</th>
          <td>Mismatched free vs. operator delete
          </td>
        </tr>

        <tr>
          <th>Product</th>
          <td>clang
          </td>
        </tr>

        <tr>
          <th>Version</th>
          <td>3.9
          </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>-New Bugs
          </td>
        </tr>

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

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

        <tr>
          <th>CC</th>
          <td>llvm-bugs@lists.llvm.org
          </td>
        </tr></table>
      <p>
        <div>
        <pre>When using LD_PRELOAD=/usr/lib64/libasan.so.4.0.0 (to find bugs in my
application), Clang gives

<span class="quote">> ==6733==ERROR: AddressSanitizer: alloc-dealloc-mismatch (malloc vs operator delete) on 0x603000002500
>     #0 0x7f606d12dfd0 in operator delete(void*) (/usr/lib64/libasan.so.4.0.0+0xe0fd0)
>     #1 0x55ee0b851833 in main (/usr/bin/clang-3.9+0xa833)
>     #2 0x7f6067be55fd in __libc_start_main (/lib64/libc.so.6+0x205fd)
>     #3 0x55ee0b853db9 in _start (/usr/bin/clang-3.9+0xcdb9)

> 0x603000002500 is located 0 bytes inside of 31-byte region [0x603000002500,0x60300000251f)
> allocated by thread T0 here:
>     #0 0x7f606d12b850 in malloc (/usr/lib64/libasan.so.4.0.0+0xde850)
>     #1 0x7f606c059ae7 in operator new(unsigned long) (/lib64/libLLVM-3.9.so+0x1b90ae7)</span >

Likely cause is that Clang overrides operator new but not operator delete.</pre>
        </div>
      </p>


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