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      <base href="https://llvm.org/bugs/" />
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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 --- - -Wunused-const-variable doesn't warn for ObjC types if ARC is enabled"
   href="https://llvm.org/bugs/show_bug.cgi?id=31781">31781</a>
          </td>
        </tr>

        <tr>
          <th>Summary</th>
          <td>-Wunused-const-variable doesn't warn for ObjC types if ARC is enabled
          </td>
        </tr>

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

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

        <tr>
          <th>Hardware</th>
          <td>All
          </td>
        </tr>

        <tr>
          <th>OS</th>
          <td>All
          </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>-New Bugs
          </td>
        </tr>

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

        <tr>
          <th>Reporter</th>
          <td>david@herzka.com
          </td>
        </tr>

        <tr>
          <th>CC</th>
          <td>llvm-bugs@lists.llvm.org
          </td>
        </tr>

        <tr>
          <th>Classification</th>
          <td>Unclassified
          </td>
        </tr></table>
      <p>
        <div>
        <pre>// test.m
static id const kIdConstant = @"abc";
static const int kIntConstant = 123;

int main(int argc, char const *argv[])
{
    return 0;
}


<span class="quote">> clang -o test test.m -framework Foundation -Wunused-const-variable</span >
test.m:3:17: warning: unused variable 'kIdConstant' [-Wunused-const-variable]
static id const kIdConstant = @"abc";
                ^
test.m:4:18: warning: unused variable 'kIntConstant' [-Wunused-const-variable]
static const int kIntConstant = 123;
                 ^
2 warnings generated.

<span class="quote">> clang -o test test.m -framework Foundation -Wunused-const-variable -fobjc-arc</span >
test.m:4:18: warning: unused variable 'kIntConstant' [-Wunused-const-variable]
static const int kIntConstant = 123;
                 ^
1 warning generated.</pre>
        </div>
      </p>
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