<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 - -Wshadow false-negative compared to gcc"
   href="https://bugs.llvm.org/show_bug.cgi?id=34120">34120</a>
          </td>
        </tr>

        <tr>
          <th>Summary</th>
          <td>-Wshadow false-negative compared to gcc
          </td>
        </tr>

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

        <tr>
          <th>Version</th>
          <td>trunk
          </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>lebedev.ri@gmail.com
          </td>
        </tr>

        <tr>
          <th>CC</th>
          <td>llvm-bugs@lists.llvm.org
          </td>
        </tr></table>
      <p>
        <div>
        <pre>class A {
  int B;
};
class C : A {
  void D(int B) {}
};

$ clang++-6.0 -Wshadow -c wshadow.cpp
$ clang++-5.0 -Wshadow -c wshadow.cpp
$ clang++-4.0 -Wshadow -c wshadow.cpp
$ clang++-3.9 -Wshadow -c wshadow.cpp
$ g++-7 -Wshadow -c wshadow.cpp
wshadow.cpp: In member function ‘void C::D(int)’:
wshadow.cpp:5:17: warning: declaration of ‘B’ shadows a member of ‘C’
[-Wshadow]
   void D(int B) {}
                 ^
wshadow.cpp:2:7: note: shadowed declaration is here
   int B;
       ^
$ g++-6 -Wshadow -c wshadow.cpp
wshadow.cpp: In member function ‘void C::D(int)’:
wshadow.cpp:5:17: warning: declaration of ‘B’ shadows a member of ‘C’
[-Wshadow]
   void D(int B) {}
                 ^
wshadow.cpp:2:7: note: shadowed declaration is here
   int B;
       ^
$ g++-5 -Wshadow -c wshadow.cpp
wshadow.cpp: In member function ‘void C::D(int)’:
wshadow.cpp:5:17: warning: declaration of ‘B’ shadows a member of ‘C’
[-Wshadow]
   void D(int B) {}
                 ^
wshadow.cpp:2:7: note: shadowed declaration is here
   int B;
       ^</pre>
        </div>
      </p>


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