<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 - clang-cl: missing #pragma function support leads to error: definition of builtin function"
   href="https://bugs.llvm.org/show_bug.cgi?id=35116">35116</a>
          </td>
        </tr>

        <tr>
          <th>Summary</th>
          <td>clang-cl: missing #pragma function support leads to error: definition of builtin function
          </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>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>-New Bugs
          </td>
        </tr>

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

        <tr>
          <th>Reporter</th>
          <td>amine.khaldi@reactos.org
          </td>
        </tr>

        <tr>
          <th>CC</th>
          <td>llvm-bugs@lists.llvm.org
          </td>
        </tr></table>
      <p>
        <div>
        <pre>unsigned int _rotr(unsigned int value, int shift);
#pragma intrinsic(_rotr)
#pragma function(_rotr)

unsigned int _rotr(unsigned int value, int shift) { return 0;}

int main() {}

cl compiles it but clang-cl emits:

test.c(5,14) :  error: definition of builtin function '_rotr'
unsigned int _rotr(unsigned int value, int shift) { return 0;}
             ^
1 error generated.</pre>
        </div>
      </p>


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