<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 --- - r261346 causes this test case to fail"
   href="https://llvm.org/bugs/show_bug.cgi?id=27246">27246</a>
          </td>
        </tr>

        <tr>
          <th>Summary</th>
          <td>r261346 causes this test case to fail
          </td>
        </tr>

        <tr>
          <th>Product</th>
          <td>libraries
          </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>normal
          </td>
        </tr>

        <tr>
          <th>Priority</th>
          <td>P
          </td>
        </tr>

        <tr>
          <th>Component</th>
          <td>Loop Optimizer
          </td>
        </tr>

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

        <tr>
          <th>Reporter</th>
          <td>kevin.b.smith@intel.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>Starting with r261346 the following test case will fail when compiled
with clang/llvm for intel64 linux.

cat >t1.cpp <<EOF
#include <stdio.h>

int main ()
{
    unsigned int i = 4;
    unsigned int k = 17;
    unsigned int n = 60;
    unsigned int e = 0;

    for (i = 1; i < 49; i++)
    {
        for (k = i; k > 1; --k) {
          e = k;
        }
        n = e;
    }

    if (n == 2)
        printf("Passed\n");
    else
        printf("Failed\n");
    return 0;
}
EOF

Compile using
clang -c -O2 t1.cpp
clang -o t1.exe t1.c</pre>
        </div>
      </p>
      <hr>
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      <ul>
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