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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 - [C++4OpenCL] Missing diagnostic for address space qualified template function return types"
   href="https://bugs.llvm.org/show_bug.cgi?id=51215">51215</a>
          </td>
        </tr>

        <tr>
          <th>Summary</th>
          <td>[C++4OpenCL] Missing diagnostic for address space qualified template function return types
          </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>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>OpenCL
          </td>
        </tr>

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

        <tr>
          <th>Reporter</th>
          <td>Justas.Janickas@arm.com
          </td>
        </tr>

        <tr>
          <th>CC</th>
          <td>anastasia.stulova@arm.com, llvm-bugs@lists.llvm.org
          </td>
        </tr></table>
      <p>
        <div>
        <pre>When foo is called with address space qualified argument par, the following
code does not display a diagnostic:

template<typename T>
T foo(T *par){
    return *par;
}

void bar(){
    __global int* ptr;
    foo(ptr);
}


However, the function return types should not be address space qualified. As a
comparison, the following code displays an error:

__global int foo(__global int *par){
    return *par;
}

error: return value cannot be qualified with address space


Full example: <a href="https://godbolt.org/z/4rj7n859a">https://godbolt.org/z/4rj7n859a</a></pre>
        </div>
      </p>


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