<html>
    <head>
      <base href="https://llvm.org/bugs/" />
    </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 --- - RDRAND intrinsic and "error: clang frontend command failed with exit code 70""
   href="https://llvm.org/bugs/show_bug.cgi?id=25152">25152</a>
          </td>
        </tr>

        <tr>
          <th>Summary</th>
          <td>RDRAND intrinsic and "error: clang frontend command failed with exit code 70"
          </td>
        </tr>

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

        <tr>
          <th>Version</th>
          <td>3.6
          </td>
        </tr>

        <tr>
          <th>Hardware</th>
          <td>Macintosh
          </td>
        </tr>

        <tr>
          <th>OS</th>
          <td>MacOS X
          </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>Driver
          </td>
        </tr>

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

        <tr>
          <th>Reporter</th>
          <td>noloader@gmail.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>Created <span class=""><a href="attachment.cgi?id=15058" name="attach_15058" title="rdrand-clang.cxx, rdrand-clang-8c9091.cpp and rdrand-clang-8c9091.sh">attachment 15058</a> <a href="attachment.cgi?id=15058&action=edit" title="rdrand-clang.cxx, rdrand-clang-8c9091.cpp and rdrand-clang-8c9091.sh">[details]</a></span>
rdrand-clang.cxx, rdrand-clang-8c9091.cpp and rdrand-clang-8c9091.sh

I'm attempting to use the RDRAND intrinsics with Clang 3.6 on OS X 10.8.5.
Clang 3.6 was built from sources.

$ /usr/local/bin/clang++ -g2 -O2 rdrand-clang.cxx -o rdrand-clang.exe
fatal error: error in backend: Cannot select: 0x7fc162aa6220: i32,glue,ch =
      X86ISD::RDRAND 0x7fc16245e890 [ORD=3] [ID=6] dbg:rdrand-clang.cxx:54:7
In function: main
clang: error: clang frontend command failed with exit code 70 (use -v to see
invocation)
clang version 3.6.0 (tags/RELEASE_360/final)
Target: x86_64-apple-darwin12.6.0
Thread model: posix
clang: note: diagnostic msg: PLEASE submit a bug report to
<a href="http://llvm.org/bugs/">http://llvm.org/bugs/</a> and include the crash backtrace, preprocessed source, and
associated run script.
clang: note: diagnostic msg: 
********************

PLEASE ATTACH THE FOLLOWING FILES TO THE BUG REPORT:
Preprocessed source(s) and associated run script(s) are located at:
clang: note: diagnostic msg:
/var/folders/mk/y7lk0xrx72lcn_2q3d12jcch0000gn/T/rdrand-clang-8c9091.cpp
clang: note: diagnostic msg:
/var/folders/mk/y7lk0xrx72lcn_2q3d12jcch0000gn/T/rdrand-clang-8c9091.sh
clang: note: diagnostic msg: 

********************</pre>
        </div>
      </p>
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