<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 - -i8 flag ignored by f18"
   href="https://bugs.llvm.org/show_bug.cgi?id=46307">46307</a>
          </td>
        </tr>

        <tr>
          <th>Summary</th>
          <td>-i8 flag ignored by f18
          </td>
        </tr>

        <tr>
          <th>Product</th>
          <td>flang
          </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>release blocker
          </td>
        </tr>

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

        <tr>
          <th>Component</th>
          <td>Frontend
          </td>
        </tr>

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

        <tr>
          <th>Reporter</th>
          <td>naromero@anl.gov
          </td>
        </tr>

        <tr>
          <th>CC</th>
          <td>David.Truby@arm.com, jperier@nvidia.com, kirankumartp@gmail.com, llvm-bugs@lists.llvm.org, sscalpone@nvidia.com
          </td>
        </tr></table>
      <p>
        <div>
        <pre>Looks like the f18 tooling driver ignores `-i8` which is needed by many codes.
I am hoping this is easy to fix.

See reduced test case in attachment.


[naromero@naromero-desktop bugs]$ f18 -i8 testint8.f90 
[naromero@naromero-desktop bugs]$ ./a.out 
  size of i                     4
[naromero@naromero-desktop bugs]$ pgf90 -i8 testint8.f90 
[naromero@naromero-desktop bugs]$ ./a.out 
  size of i                         8
FORTRAN STOP
[naromero@naromero-desktop bugs]$ f18 -fdefault-integer-8 testint8.f90 
[naromero@naromero-desktop bugs]$ ./a.out 
  size of i                     4</pre>
        </div>
      </p>


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