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      <base href="https://bugs.llvm.org/">
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    <body><table border="1" cellspacing="0" cellpadding="8">
        <tr>
          <th>Bug ID</th>
          <td><a class="bz_bug_link 
          bz_status_NEW "
   title="NEW - No support for -finput-charset other than UTF-8"
   href="https://bugs.llvm.org/show_bug.cgi?id=39864">39864</a>
          </td>
        </tr>

        <tr>
          <th>Summary</th>
          <td>No support for -finput-charset other than UTF-8
          </td>
        </tr>

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

        <tr>
          <th>Version</th>
          <td>trunk
          </td>
        </tr>

        <tr>
          <th>Hardware</th>
          <td>All
          </td>
        </tr>

        <tr>
          <th>OS</th>
          <td>All
          </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>Frontend
          </td>
        </tr>

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

        <tr>
          <th>Reporter</th>
          <td>nikolai.kosjar@qt.io
          </td>
        </tr>

        <tr>
          <th>CC</th>
          <td>llvm-bugs@lists.llvm.org, neeilans@live.com, richard-llvm@metafoo.co.uk
          </td>
        </tr></table>
      <p>
        <div>
        <pre>Currently, clang does not support any other input character set than UTF-8:

  $ clang++ -finput-charset=SHIFT-JIS testtest.cpp
  clang-7: error: invalid value 'SHIFT-JIS' in '-finput-charset=SHIFT-JIS'

This comes from Clang.cpp:

  // -finput_charset=UTF-8 is default. Reject others
  if (Arg *inputCharset = Args.getLastArg(options::OPT_finput_charset_EQ)) {
    StringRef value = inputCharset->getValue();
    if (!value.equals_lower("utf-8"))
      D.Diag(diag::err_drv_invalid_value) << inputCharset->getAsString(Args)
                                          << value;
  }

  // -fexec_charset=UTF-8 is default. Reject others
  if (Arg *execCharset = Args.getLastArg(options::OPT_fexec_charset_EQ)) {
    StringRef value = execCharset->getValue();
    if (!value.equals_lower("utf-8"))
      D.Diag(diag::err_drv_invalid_value) << execCharset->getAsString(Args)
                                          << value;
  }

This was raised already multiple times on the mailing list:

 * <a href="http://lists.llvm.org/pipermail/cfe-dev/2011-June/015522.html">http://lists.llvm.org/pipermail/cfe-dev/2011-June/015522.html</a>
 * <a href="http://lists.llvm.org/pipermail/cfe-dev/2016-September/050814.html">http://lists.llvm.org/pipermail/cfe-dev/2016-September/050814.html</a></pre>
        </div>
      </p>


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