<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 - missing error for arguments in func"
   href="https://bugs.llvm.org/show_bug.cgi?id=43655">43655</a>
          </td>
        </tr>

        <tr>
          <th>Summary</th>
          <td>missing error for arguments in func
          </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>Linux
          </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>tangyixuan@mail.dlut.edu.cn
          </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>clang-10 falls to emit the error for the following:

$ cat s.c
  static int fn1(int p);
  static int fn1()
  {
    return 0;
  }
  int main()
  {
    fn1(1);
    return 0;
  }

$ clang-10 -ferror-limit=0  s.c

clang version 10.0.0 (<a href="https://github.com/llvm/llvm-project.git">https://github.com/llvm/llvm-project.git</a>
49c4e58b75ecec8dce75dd13c61aaeb30e14b531)
Target: x86_64-unknown-linux-gnu
Thread model: posix

When compiled with GCC, errors such as:

$ gcc-8.3  s.c
s.c: In function ‘fn1’:
s.c:3:1: error: number of arguments doesn’t match prototype
 {
 ^
s.c:1:12: error: prototype declaration
 static int fn1(int p);
                ^~~</pre>
        </div>
      </p>


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