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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 - Member access to incomplete type from dllimport"
   href="https://bugs.llvm.org/show_bug.cgi?id=35435">35435</a>
          </td>
        </tr>

        <tr>
          <th>Summary</th>
          <td>Member access to incomplete type from dllimport
          </td>
        </tr>

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

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

        <tr>
          <th>Hardware</th>
          <td>PC
          </td>
        </tr>

        <tr>
          <th>OS</th>
          <td>Windows NT
          </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>C++
          </td>
        </tr>

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

        <tr>
          <th>Reporter</th>
          <td>zahira.ammarguellat@intel.com
          </td>
        </tr>

        <tr>
          <th>CC</th>
          <td>dgregor@apple.com, llvm-bugs@lists.llvm.org
          </td>
        </tr></table>
      <p>
        <div>
        <pre>An explicit instantiation request should be ignored when it’s trying to
instantiate a dllimport class.

Reproducer:

class __declspec(dllimport) Edge;

template <class T>
class  __declspec(dllimport) Range
{
  void insert(T *obj) { obj->loc(); }
};

template void Range<Edge>::insert(Edge *);

ksh-3.2$ clang -c t1.cpp
t1.cpp:10:28: error: member access into incomplete type 'test1::Edge'
  void insert(T *obj) { obj->loc(); }
                           ^
t1.cpp:13:28: note: in instantiation of member function
'test1::Range<test1::Edge>::insert' requested here
template void Range<Edge>::insert(Edge *);
                           ^
t1.cpp:5:29: note: forward declaration of 'test1::Edge'
class __declspec(dllimport) Edge;
                            ^
t1.cpp:22:28: error: member access into incomplete type 'test2::Edge'
  void insert(T* obj) { obj->loc(); }
                           ^
t1.cpp:25:28: note: in instantiation of member function
'test2::Range<test2::Edge>::insert' requested here
template void Range<Edge>::insert(Edge *);
                           ^
t1.cpp:17:29: note: forward declaration of 'test2::Edge'
class __declspec(dllexport) Edge;
                            ^
2 errors generated.</pre>
        </div>
      </p>


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