<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 - _LIBCPP_DEBUG=1 causes link error"
   href="https://bugs.llvm.org/show_bug.cgi?id=47052">47052</a>
          </td>
        </tr>

        <tr>
          <th>Summary</th>
          <td>_LIBCPP_DEBUG=1 causes link error
          </td>
        </tr>

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

        <tr>
          <th>Version</th>
          <td>11.0
          </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>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>unassignedclangbugs@nondot.org
          </td>
        </tr>

        <tr>
          <th>Reporter</th>
          <td>jbulow-llvm@jongel.net
          </td>
        </tr>

        <tr>
          <th>CC</th>
          <td>llvm-bugs@lists.llvm.org, mclow.lists@gmail.com
          </td>
        </tr></table>
      <p>
        <div>
        <pre>This program: (err1.cpp)

#include <vector>

int
main()
{
  std::vector<int> v;

  return 0;
}

Compiled with:

clang++  -stdlib=libc++ -D_LIBCPP_DEBUG=1  -o err1 err1.cpp

Results in:

/tmp/err1-babb29.o: In function `void
std::__1::__libcpp_db::__insert_c<std::__1::vector<int,
std::__1::allocator<int> > >(std::__1::vector<int, std::__1::allocator<int>
<span class="quote">>*)':</span >
err1.cpp:(.text._ZNSt3__111__libcpp_db10__insert_cINS_6vectorIiNS_9allocatorIiEEEEEEvPT_[_ZNSt3__111__libcpp_db10__insert_cINS_6vectorIiNS_9allocatorIiEEEEEEvPT_]+0x26):
undefined reference to `std::__1::__libcpp_db::__insert_c(void*,
std::__1::__c_node* (*)(void*, void*, std::__1::__c_node*))'
clang-12: error: linker command failed with exit code 1 (use -v to see
invocation)
Makefile:5: recipe for target 'err1' failed
make: *** [err1] Error 1
make: Target 'all' not remade because of errors.</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>