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    <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 - ExpressionParser: Couldn't apply expression side effects : couldn't write the new contents of l_17 back into the variable"
   href="https://bugs.llvm.org/show_bug.cgi?id=39797">39797</a>
          </td>
        </tr>

        <tr>
          <th>Summary</th>
          <td>ExpressionParser: Couldn't apply expression side effects : couldn't write the new contents of l_17 back into the variable
          </td>
        </tr>

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

        <tr>
          <th>Version</th>
          <td>7.0
          </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>davide@freebsd.org
          </td>
        </tr>

        <tr>
          <th>CC</th>
          <td>llvm-bugs@lists.llvm.org
          </td>
        </tr></table>
      <p>
        <div>
        <pre>$ ./clang a-prepro.c -g -O1 -Wno-everything

(lldb) br set -l 2199
Breakpoint 1: where = a.out`func_1 + 41 at a-prepro.c:2199:12, address =
0x0000000100000f59
(lldb) r
[…]
* thread #1, queue = 'com.apple.main-thread', stop reason = breakpoint 1.1
    frame #0: 0x0000000100000f59 a.out`func_1 at a-prepro.c:2199:12 [opt]
   2196         l_17[0] |= (*l_8);
   2197         --l_31;
   2198     }
-> 2199     return g_2[8][1];
   2200 }
   2201
   2202
(lldb) frame var l_17
(int32_t [1]) l_17 = ([0] = <extracting data from value failed>)
(lldb) p l_17
error: Couldn't apply expression side effects : couldn't write the new contents
of l_17 back into the variable</pre>
        </div>
      </p>


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